Category Archives: Nutrition & Diet

Grip Strength and Hockey


In an interesting study of adolescent Canadian hockey players published in the Journal of Strength and Conditioning Research, scientists tested the grip strength of 690 male and female athletes between the ages of 10 and 16 years to see if there was a correlation to on-ice performance.

For males and females, grip strength increased with age at about the same rate until age 12 where males began to show greater strength. In terms of performance, grip strength in the non-dominant hand was associated with competition at more elite levels of the sport.

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Meal Planning and How Much You Eat


For many people, the three squares: breakfast, lunch and dinner are the traditional mealtimes, with maybe a little snacking in between. Can changing the timing of these eating occasions help you lose body fat? A study published in the Journal of Nutritional Sciences suggests slightly altering this morning, noon and night schedule can have surprising results.

For 10 weeks, some subjects ate breakfast 90 minutes later than normal and sat down to dinner 90 minutes sooner than the typical time. Another groups stuck to regular breakfast, lunch and dinner hours. All subjects kept a food diary, and were allowed to eat anything they wanted.

After the 10-week intervention, subjects on the time-compressed eating schedule lost twice as much body fat as subjects who stuck to the usual meal times. They also consumed less food. Asked if they could maintain these dining hours for more than 10 weeks, 57% of subjects said family pressures and social obligations would make that difficult. The remaining 43% said they could continue if meal timing was more flexible.

Legs Pull Their Weight On Arm Day


Working out in the weight room every day requires some planning. For instance, it’s not unusual for strength training practitioners to split their workouts between upper and lower body muscle groups to allow enough time for recovery. But working your arms doesn’t mean your legs are taking the day off, even when you’re seated. Consider the findings of a study published in the International Journal of Sports Medicine.

Researchers had 11 male subjects perform seated arm cranks in incremental and maximum effort trials. On one occasion, they sat normally and on another had their legs secured to prevent feet from touching the floor. Maximal oxygen consumption was reduced by around 14% during the incremental stage with restricted legs. Maximum power also decreased by an average of 29% in the restricted condition.

Originally posted on optimumnutrition.com

Caffeine Performance Goes The Distance


In addition to providing energy, caffeine reduces the perception of fatigue. You can see why it’s popular with weight room warriors. But caffeine’s potential isn’t limited to strength training. A study published in the Journal of Science and Medicine in Sport looks at caffeine use by endurance athletes.

Researchers analyzed 40 peer-reviewed articles on placebo controlled trials during endurance races. They found that the effect size of caffeine’s performance enhancing benefits increases with the duration of the event.

Breakfast & Carbs Before Training


You’ve probably heard the term ‘fasted cardio’ used when cardiovascular exercise takes place without consuming any food since the previous evening. The idea is to use the body’s fat stores for energy, but a study published in the American Journal of Physiology: Endocrinology and Metabolism suggests this might not be the best approach.

Researchers at the University of Bath tested the blood glucose and muscle glycogen levels of 12 healthy male subjects after an hour of cycling. On one occasion, they ate a bowl of oatmeal prepared with milk 2 hours before the workout. On another, they didn’t eat anything.

Eating breakfast increased the rate carbohydrates were burned during exercise. Not just the carbs consumed at breakfast, but also carbs stored in muscle as glycogen. Having breakfast before exercise also increases the rate food consumed after training is digested and metabolized.

Muscle Gains for Different Protein Powder


What’s the right amount of protein for reaching your goals? It depends on the goal, of course. If you’re an aspiring female physique competitor, a study recently published in the International Journal of Sport Nutrition and Exercise Metabolism offers interesting insight.

Seventeen women in their early 20s participated in an 8-week resistance training program. During this period, some subjects consumed 2.5 grams of protein per kg of body weight each day while others consumed 0.9 grams per kg of body weight on a daily basis.

Subjects on the higher protein diet gained an average of 4.6 pounds of lean mass while losing about 2.4 pounds of body fat. Subjects on the lower protein diet gained an average of 1.3 pounds of lean mass while shedding about 1.5 pounds of fat.

All subjects realized increases in strength with no differences between groups.

Get 11% more out of your vertical Jump


There’s a potentiation protocol called the French Contrast Method that practitioners use to temporarily increase vertical jump height. This could be an effective strategy for track and field as well as other athletes, and a study published in the Journal of Strength and Conditioning Research suggests it might be an effective option.

Seventeen athletes had their countermovement jump height measured before and after performing 3 sets of isometric partial squats, drop jumps, dynamic half-squats and hurdle jumps. Countermovement jump height improved an average of 5% after the first set, 6.8% after the second set and 8.5% after the third set. Maximum potentiation was an increase of 11% from baseline values.

PUTTING THE SPIN ON FOOD CHOICES


You’ve been told to eat your fruits and vegetables since childhood. That hasn’t stopped many adults from at least partially ignoring the advice. A Stanford University study published in the journal JAMA Internal Medicine suggests that when vegetables are described in exciting terms consumption increases.

On different days, beets, green beans and carrots were described in different ways at the university cafeteria. They were always prepared the same way. Indulgent phrases like “Sweet Sizzlin’ Green Beans” and “Twisted Citrus Glazed Carrots” had 25% more people choosing that vegetable compared to basic descriptions like beans and carrots. Indulgent descriptions also increased the amount of vegetables consumed by 23%.

How Many People Eat Clean


Every 5 years, the departments of Health & Human Services and USDA publish Dietary Guidelines for Americans.

A study recently published in The Journal of Nutrition looks at what percentage of the population actually meets these guidelines.

Researchers examined 24 hour food reports submitted by 16,338 people who participated in the 2001–2004 National Health and Nutrition Examination Survey.

They found that other than meat, beans and total grains, most people aren’t meeting recommendations for nutrient-rich food groups. In addition, 90% of Americans over-consume solid fats, added sugars and other empty calories.

Traditional Pushups Vs Suspended/Elevated Pushups


In terms of form, there might be a right way and a wrong way to do a certain exercise, but there will also be variations that have the potential benefit some active adults more than others. Consider this study recently published in the Journal of Strength and Conditioning Research.

Sixty-nine active and inactive female volunteers did a set of 3 traditional push-ups followed by another set of 3 suspended push ups. While the traditional push ups resulted in higher levels of triceps muscle activation in gymnasts and inactive subjects, soccer players experienced higher levels of triceps activation with suspended push ups.

STRETCHING TO IMPROVE RANGE OF MOTION


All kinds of athletes use stretching to help improve flexibility and extend range of motion. There are a couple of ways to perform this type of exercise, and a study published in theInternational Journal of Sports Medicine offers suggestions for getting the most out of the practice.

In a review of papers that included 23 articles, researchers found that all stretching protocols improved range of motion over a long-term period, but that static stretching was superior to ballistic and PNF techniques. In another finding, optimal range of motion results were obtained not during a single session, but over time with sessions 5 days a week lasting at least 5 minutes weekly.

Eating Your Carbs 🥖


Endurance athletes fuel performance with carbohydrate energy. Many athletes carb load for marathons and other long-distance races. An interesting study published in the International Journal of Sports Physiology and Performance looks at the impact of carbohydrate consumption in short duration cycling events.

Thirteen experienced cyclists took part in 3 experimental time trails. Each consisted of 10 minutes of steady state riding at 60% of capacity followed by a workload targeted time trial. Ninety minutes before each session, subjects were given water, a carbohydrate shake or a placebo shake matched for taste and texture.

On average, subjects reached their time trial workload target faster with carbohydrates (18 minutes, 66 seconds) and placebo (18 minutes, 53 seconds) compared to water (19 minutes, 10 seconds). Researchers attributed these differences to being psychological rather than physiological.

Strength Gains When Using Creatine Daily


Numerous studies have shown creatine to be an effective supplement for increasing muscle size and strength when used in conjunction with a well-planned resistance training program. New research published in The Journal of Sports Medicine and Physical Fitness suggests increases in strength can be realized in as little as 2 weeks.

Young male subjects supplemented with 0.07 grams of creatine per kilogram of body weight per day during an 8-week weight training program. Some got a placebo, and all subjects performed 6 different exercises 3 days per week. Subjects in the creatine group started experiencing strength gains during bench press, leg press and shoulder press exercises after 2 weeks.

At the end of the 8-week program, compared to the placebo group, subjects who supplemented with creatine showed significant increases in strength for the bench press, leg press, shoulder press and triceps extension exercises, but not biceps curls or lat pulldowns.

Beta Alanine for Weight Room Warriors


A number of pre-workout products include beta-alanine and this non-essential amino acid is also available as a powder. The supplement has been shown to help enhance exercise performance, and a study published in Journal of the International Society of Sports Nutrition suggests it might have potential strength and power training.

Thirty healthy subjects with weight room experience consumed 800 mg of beta-alanine 8 times a day at intervals of at least 1.5 hours for 5 weeks. Some got a placebo. All trained 3 days a week doing a 3-set circuit of back squat, barbell step ups and loaded jumping lunges. There was 40 seconds of work with 120 seconds of between sets rest the first week.

By the fifth week, volume had increased to 5 sets with 20 seconds of work and 60 seconds of between sets rest. Improvements were significantly greater for the beta-alanine group, with average power at one rep max increasing by 43% compared to 21% for placebo. Maximal strength gain averaged 51 lbs. for the beta-alanine group versus 35 lbs. for placebo.

Activity Perception Based on Where You Live


How physically active do you think you are? According to research published in the Journal of Epidemiology & Community Health, the accuracy of your assessment may be influenced by where you live. Not just the weather, but the country.

Researchers tracked the physical activity levels of 540 Americans, 748 Dutch subjects and 254 from England for 7 days. All subjects were over the age of 18 and asked to rate their physical activity levels on a scale of 1 to 5. They also wore activity trackers.

Dutch and English subjects were slightly more likely to rate toward the middle of the scale, while Americans tended toward the extremes: very active to inactive. In reality, Americans were much less active compared to the Europeans with the percentage of subjects considered inactive nearly twice that of Dutch subjects.

According to fitness tracker data, 60% of subjects from the United States were inactive compared to 42% of the Dutch and 32% of the English. Subjects from all of these countries became less active as they aged.

Six Ways To Work Out Wrist Strength



If you use your hands to compete in your sport, having greater strength and control might give you the edge you’re looking for. Consider the findings of study on 6 weeks of wrist training published in the Journal of Strength and Conditioning Research.

Subjects were tested before, at 2-week intervals during, and after completing the program. Wrist joints were worked in 6 directions: Flexion, extension, pronation, supination, radial deviation and ulnar deviation. Subjects showed a decrease in motor control errors after 2 weeks of training. Maximum wrist strength increased in all 6 directions after 4 weeks.

Protein Per Meal for Building Muscles


You’ve probably heard weight room regulars debate about how much protein can be absorbed at one time. The general consensus is that muscle protein synthesis in young adults is maximized with 20 to 25 grams of protein. This finding is based on fast-digesting protein shakes and doesn’t take into consideration carbohydrates, fats or slower digesting protein sources. A study published in the Journal of the International Society of Sports Nutrition looks at protein consumption per meal.

After examining a wide range of studies, researchers suggest a per meal protein target of 0.4 grams per kilogram of body weight. You would need 4 of these meals to reach 1.6 grams of protein per kilogram of body weight per day. To put this into perspective, the protein per meal target for a 160 pound person would be 29 grams, or about what you’d get from a 4.5 ounce chicken breast.

Quads Strength Development Tip


Dynamic or high-speed training is one way to increase muscular strength. This type of training is typically done with lower resistance and a higher rep range, but a study published in The Journal of Sports Medicine and Physical Fitness give you a different approach to consider.

Thirty active men participated in a 12 week high-speed strength training program. Some used 40% of their one rep max (1RM) while other lifted 80% of their 1RM. Compared to measurements taken before the program began, the low-resistance high-rep protocol improved maximal concentric quad strength an average of 23.3%. Subjects using the high-resistance low-rep routine realized an average 41.8% improvement in strength.

Power Training Tip


Highly competitive team sports athletes are always looking for an edge. In terms of explosive performance, a study published in the Journal of Strength and Conditioning Research tried out a power training routine that has the potential to improve rate of force development by about 9.7%.

Seventeen male athletes in their early 20s did 5 sets of 4 jump squats using 40% of their 1 rep max. They got 3 minutes of rest between sets. Compared to a control condition where subjects rested before testing, power training improved countermovement jump performance by an average of 5.1% and increased reactive strength by 10.7%. These improvements peaked at 24 hours after the power training session.

It Takes Magnesium To Get Vitamin D


Vitamin D can be synthesized through the skin from sunshine, but during the winter months you don’t have very many food sources to choose from. Taking a Vitamin D supplement is one option, but a review of studies published in The Journal of the American Osteopathic Association suggests Vitamin D needs sufficient levels of magnesium to be metabolized, and that could be an issue for lots of people.

It’s estimated that about half of U.S. adult population consumes a magnesium-deficient diet of processed foods. After calcium, potassium and sodium, magnesium is the most abundant mineral in the body. What can you eat to keep up with your magnesium needs? Food sources include almonds, bananas, beans, broccoli, brown rice, egg yolk, fish oil, green vegetables, whole grains and milk

Double Down on Weight Loss


Devoting time to hitting the gym and sticking to a healthy, balanced diet structured for weight loss is bound to have an impact on your significant other. A study from the University of Connecticut published in the journal Obesity suggests they can share the benefits of a successful effort.

Researchers tracked the weight loss efforts of 130 subjects and their partners for 6 months. They found that when one person successfully loses weight, there’s a good chance their partner will also shed pounds – even if they aren’t actively trying. About one third of non-participating partners lost at least 3% of their body weight over the 6 month period. Making positive lifestyle changes can have a benefit on those around you.

Performance Benefits of Box Jumps


Many types of athletes use plyometric jumps to develop greater power. What does that mean in terms of competitive performance? A study on basketball players published in The Journal of Sports Medicine and Physical Fitness provides more detail on the kind of improvements players can expect from a pre-season plyometric program.

For 8 weeks, subjects included a periodized plyometric program consisting of 117 to 183 jumps with their regular training. Compared to a control group that stuck with a traditional basketball training program, plyometrics helped subjects increase vertical jump height, improve agility, boost maximal strength and run faster 60-meter sprints.

HUSTLE MUSCLE 4 EXERCISES TO INCREASE YOUR SPEED


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As an athlete, every second counts. Every inch is crucial and can be the difference between winning and losing. That’s why speed is essential for any athlete at any level. Typically, the one who is fastest is the one who’s in a better position to win.

The great thing about these four exercises is that you can incorporate them into nearly any training program, since they’re mostly lower-body exercises and one of them you should be doing already! But if you’re not, ditch any isolation exercises you have in your current plan and add one or more of the following exercises when you feel the need for speed!

1. Power Clean

If you’ve been limiting your training to bodybuilding-style workouts, this explosive exercise is probably the best barbell exercise you’ve never done.

• Starting with your feet hip-width apart, grab the bar with an overhand grip.

• Keep your back flat and chest tall as you pull the bar off the floor.

• After the bar passes your knees, sweep the bar into your hips (making contact at mid-thigh/the hip crease).

• Aggressively extend your hips, knees and ankles to catapult the bar up to your shoulders.

2. Sled Push (with heavy weight or light weight)

Sled pushes force you to sprint – but with a forward lean. This increases the activation of your body’s largest muscle: your glutes. If you watch the short sprint events at the Olympics, you’ll quickly notice the size of the asses on the sprinters. This is pure muscle, and it generates pure speed.

• Load your pushing sled with the desired weight.

• Take an athletic posture, leaning into the sled with your arms fully extended, grasping the handles. Push the sled as fast as possible, focusing on extending your hips and knees to strengthen your posterior chain.

3. Back Squat

Squats are no secret for building leg mass, and as such, they’re a staple for any sprinting athletes. Even if you’re not spending time at the track or on the football field, the back squat is essential.

• Grab the bar with a grip that’s comfortable for your shoulders.

• Unrack the weight, brace your abs and push your hips back to descend into the squat position.

• Squat until your thighs are parallel (or slightly below parallel) to the ground.

• Keep your knees in line with your toes, chest up and back flat as you push through your heels to stand up.

4. Rear Foot Elevated Split Squat

The split squat has been a staple that has generated powerful athletes for decades. Although it looks like a single-leg exercise, it uses both legs. In fact, The split squat is very similar to the back squat, but slightly more hip-dominant.

• With dumbbells at your sides and your back foot elevated on a bench, squat while keeping a straight back and tall chest.

• Push through your heel to extend your front knee and hip back to the starting position.

CAN YOU ESTIMATE REPS TO FAILURE?


 

During a workout, you’re taking the final set to failure. How accurate is your estimate of the reps it will take to get there? An interesting study published in the Journal of Strength and Conditioning Research analyzes estimate accuracy on different exercises with male and female subjects with varying levels of weight room experience.

Eighty-one volunteers performed 10 sets of 10 reps using 70% and 80% of their one rep max. They did both chest presses and leg presses. After a set of each exercise with each load they estimated reps to failure on the next set.

Subjects were better at estimating reps to failure on the chest press compared to the leg press, where the estimates of males were generally more accurate than those of female subjects. Weight room experience wasn’t much of a factor in estimating reps to failure.

Via optimumnutrition.com

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Caffeine Reduces Sweet Taste


Coffee with a donut is a classic pairing, and recent research from Cornell University offers interesting insight into why they seem to go so well together. Findings on how caffeine might temporarily reduce your perception of sweetness were published in the Journal of Food Science. 

Volunteers drank decaffeinated coffee with sugar added. Some cups were dosed with 200 mg of caffeine to simulate a strong cup of coffee. Asked to describe their level of alertness after drinking coffee, subjects could not tell if their cup contained caffeine or not. But the subjects who got the caffeinated brew rated it as tasting less sweet than subjects who had the regular decaffeinated coffee.

Barbell vs Machine Deadlifts


Using machines can make weight training safer, especially when you don’t have a training partner to use as your spotter. Of course, the movement won’t be exactly the same as using the traditional barbell. A study published in the Journal of Strength and Conditioning Research compared traditional deadlifts to a walk-in style deadlift machine. 

Subjects performed conventional barbell deadlifts using a pronated grip and tried both ball of foot and toe alignment in the deadlift machine. Although the walk-in machine allowed a more upright trunk angle, potentially reducing stress on the lower back, it also shifted muscle activity away from the glutes to the knees.

Post Workout Protein vs Carbs


 After strength training, a whey protein shake can help kick-start muscle recovery. When you get done with a run, carbohydrates help replace the energy your body used to fuel the effort. A study published in the International Journal of Sport Nutrition and Exercise Metabolism looks at how both nutrients affect fat oxidation.

Twelve recreationally active women took part in an incremental 23 minute bike ride where the effort ranged from 30% to 80% of maximal oxygen consumption. Then they exercised for an hour at 75% of capacity. After this workout, subjects received 20 grams of protein, 20 grams of carbohydrates or a placebo.

Whole body fat oxidation doubled during the second trial and the rate of fat oxidation while subjects were at rest wasn’t significantly different between protein and placebo conditions. Carbohydrate consumption did reduce the increase in fat oxidation after exercise.

HIIT is not for Everyone


With High Intensity Interval Training (HIIT), busy adults can get a good workout in about half the time it takes with steady state cardio. That’s an attractive benefit, especially when you consider how many people say they just don’t have time to exercise. New research from Iowa State University suggests the intensity aspect of HIIT can be a drawback.
 

According to the National Health and Nutrition Examination Survey, only 3.2% of American adults meet the recommended guidelines of 30 minutes a day, 5 days a week moderate-intensity activity. The World Health Organization recommends a total of 150 minutes of exercise each week

 

Convincing less active adults to step up their game with HIIT sounds great until you consider research published in the Journal of Sport & Exercise Psychology. The study compared subjects who started with vigorous exercise and then decreased intensity with subjects who took the typical approach of starting out slow and gradually increasing intensity. The intensity increasing group went into each session remembering a negative experience while the group that decreased training intensity expected to feel good after future workouts.

Black Tea Boosts Weight Loss



There’s been quite a bit of research on the benefits of green tea. Now a new study published in the European Journal of Nutrition suggests the polyphenols found in black tea might also help with weight management.
In lab mice, green tea polyphenols are absorbed into blood and tissue. But black tea polyphenols are too large to be absorbed in the small intestine. Instead, they stimulate the growth of gut bacteria that alters energy metabolism.

Researchers found that both green and black tea polyphenols promote the growth of beneficial microorganisms in rodents. With both types of tea, they found more digestive system bacteria associated with lean body mass and less associated with obesity.

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Protein Availability in Cooked Meat



Some people like a rare steak while others want theirs well done. The protein in that meat doesn’t really change, but a study published in The American Journal of Clinical Nutrition suggests that cooking can influence the bioavailability of amino acids for older adults. 

On separate occasions, 10 volunteers between the ages of 70 and 82 consumed beef containing 30 grams of protein. For one meal, the meat was cooked at 135 degrees for 5 minutes which is considered rare. The next time, it was cooked at 194 degrees for 30 minutes.

After eating, there was a lower concentration of amino acids in blood with the rare cut compared to the well-done preparation. This was associated with decreased protein synthesis. This effect isn’t the same with younger individuals where the degree of cooking doesn’t really alter amino acid bioavailability.  

 

Calculating the Lifetime Cost Of Obesity



 Being overweight can certainly have a negative impact on your health. But what about the actual cost in dollars? A study published in the journal Obesity suggests the actual cost of obesity can include both medical care and lost earnings. 
Using computer models, researchers determined that an obese 50 year old with normal blood pressure and cholesterol levels can cost more than $36,000 in medical expenses and lost productivity during his or her lifetime.

 On a positive note, if a 20 year old lost enough weight to go from obese to overweight, two-thirds of the lifetime costs of obesity could be saved. Likewise, if a healthy but obese 70 year old achieved similar weight loss, the lifetime cost would be cut by about 40%.

Hydration Habits of Elite Athletes



Some people have a specific amount of water or sports drinks they want to consume each day. Others drink when their coach tells them to, or just drink when thirsty. A study published in The Journal of Sports Medicine and Physical Fitness examines the habits of 253 athletes from a variety of different sports.Subjects were asked to complete fluid intake questionnaires. The range in age was 8 to 63 years. About 3% of subjects competed in international competition with another 34% participating at the national level. The remaining subjects were regionally active. Of those responding, 150 reported fluid intake below recommended levels while 23 consumed fluids at or above published exercise hydration guidelines.

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CHAMPION POWERLIFTER TAPERING TACTICS



Many types of athletes alter their training in the run-up to a big event. This reduction in training is often referred to as tapering. If you’re a competitive powerlifter, consider the findings of a study published in the Journal of Strength and Conditioning Research which explores the tapering practices of Croatian open-class champions.
Researchers interviewed 10 successful powerlifters. On average, these athletes decreased training volume by around 50% using a step or exponential approach while maintained or increasing training intensity which peaked about 5 to 8 days before competition. During the final week, training frequency was reduced by about 50% with the final session 2 or 3 days before competition.

Taper strategies were identical for the squat, bench press and deadlift. The idea is to maintain strength while reducing fatigue. Nutritional intake, foam rolling and static stretching all received extra attention during the taper.

Foam Rolling For Recovery



It’s not unusual to see athletes rolling different muscle groups across a foam cylinder. Is there anything to this practice, or is it just another fad? A study published in the Journal of Strength and Conditioning Research shows what foam rolling can and probably won’t do for recovering muscle groups.

Thirty-seven men raced forty 15-meter sprints. For the next 4 days, hip range of motion, hamstring muscle length, vertical jump height and agility were tested. Some subjects performed foam rolling each day before testing while others didn’t. Although there was no effect on hip range of motion, hamstring length or jump height, agility was less impaired in the foam rolling group compared to subjects who didn’t use this simple tool.

Can Excercise Change Eating Habbits



There’s an old saying that ‘you are what you eat’. Looked at another way, if you’re working hard to improve your fitness, will diet preferences be influenced by your progress? New research from the University of Missouri suggests that eating habits might change with regular exercise. 

Researchers gave a group of male and female lab rats access to an exercise wheel. Another group could not exercise. All rodents were given 3 types of food to choose from: high-fat, high-sugar and high-cornstarch, all matched for the same amount of protein.

 

Rodents that didn’t exercise preferred the high-fat food over other options. Male rats that exercised only ate half the amount of high-fat food that inactive rats ate, but consumed greater amounts of sugar and cornstarch options. Female running rats preferred the high-fat diet. Whether this effect works the same in humans is unknown.

 

Tricking Yourself to Feel Fuller



Satiety is a feeling of fullness. It can be influenced by different types of food, and also by your expectations. Consider the findings of a new study presented at a meeting of the British Psychological Society that suggests what you eat might not be as important as what you think you ate.

Researchers prepared 3-egg omelets for 26 people. Some were told they had a 2-egg omelet while others believed their omelet was made with 4 eggs. Subjects who were convinced they has a smaller omelet reported being hungrier 2 hours later and consumed more pasta at lunch compared to subjects who were told their breakfast was larger.

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Pumping Iron for Metabolic Health


Endurance training improves metabolic health by promoting the development of new blood vessels. Resistance training builds muscle, and a study recently published in the journal Medicine & Science in Sports & Exercise suggests the effort can also leads to small vascular adaptations.

Researchers assigned 36 males in their early 20s to a 12-week resistance training program. Some received protein supplements while others got a placebo. Weight training increased muscle fibers, with greater gains seen in the protein supplementing group.

After the second week of training, the capillary to muscle fiber ratio increased significantly, suggesting blood vessel development took place along with muscle growth.

 

Males Vs Females for Muscle Endurance



A physically fit man is typically stronger than women of the same level fitness, but women have the upper hand when it comes to muscle endurance. Consider the findings of a study from the University of British Columbia conducted in collaboration with the University of Guelph and University of Oregon. 

Researchers had 8 men and 9 women matched for their levels of fitness flex their foot against an array of sensors 200 times as fast as they could. The speed, power and torque of their movements were recorded along with fatigue. Male subjects were faster and more powerful, but also fatigued more quickly than female subjects.

HIIT Triggers the Release of Endorphins 



You’ve probably heard the term runner’s high. It’s usually associated with long distance running. The release of endorphins in the brain is behind this effect. A new study conducted at the University of Turku shows that endorphins are also released during High Intensity Interval Training (HIIT). 

Using positron emission tomography, researchers determined that HIIT significantly increased the release of endorphins compared to a steady state moderate intensity 1-hour run. Scientists theorized this might help your body compensate for the physical and emotional stress of intense exercise.

Nutrition’s Role in Muscle Building



Hitting the weight room is only one aspect of the muscle building process. You also have to take rest and nutrition into consideration. A study recently published in The Journal of Nutrition helps illustrate nutrition’s importance for maintaining and building lean mass.

 

Twenty-four healthy older men were given a drink containing 21 grams of leucine-enriched whey protein, 9 grams of carbohydrates, 3 grams of fat and 800 IU vitamin D each morning before breakfast for 6 weeks. Some received a placebo.

 

Rates of protein synthesis were higher for subjects receiving the whey and vitamin D supplement compared to those who got the placebo. The supplemented group also gained more lean mass.

 

Building Muscular Size, Strength and Endurance 



 You’ll find active adults with a variety of different goals working in the weight room to develop bigger muscles. If you’re in the game to get stronger, you might be interested in the findings of a study published in the journal Medicine & Science in Sports & Exercise.
 

Thirty-eight volunteers with no weight training experience took part in an 8-week program that included chest press and leg extension exercises. Some did a high-volume protocol involving 4 sets of reps to failure using their 8 to 12 rep max (RM). Others conducted a simple 1RM test where subjects attempted up to 5 maximal reps. 

Although muscle size and endurance increased more for subjects in the high-volume training group, increases in 1RM strength were about the same for both groups.

Feel Good Bacteria Dietary Fiber



Most American adults only get about half the recommended daily amount of dietary fiber. A new study published in the journal Science provides interesting insight into how consuming dietary fiber might influence the bacterial environment of your digestive system.
Researchers found that dietary fiber produces a short-chain fatty acid called butyrate that signals cells in your intestines to maximize oxygen consumption. This action helps restrict levels of harmful bacteria.

 

BCAAs For Weight Training Recovery


The Branched Chain Amino Acids (BCAAs) Leucine, Isoleucine and Valine are valued by all types of athletes. Studies have shown that these essential amino acids can help with muscle recovery, but findings vary. A review of controlled trials published in the journal Nutrition takes another look at the potential of BCAAs. 

Analyzing 8 different studies, researchers came to the conclusion that BCAAs can reduce creatine kinase for up to 24 hours. Levels of this enzyme become elevated after exercise-induced muscle damage. This suggests that supplementing with BCAAs is better for exercise recovery than rest alone.

Burning Calories After Workout



Your calorie burning efforts during exercise don’t end when you step off the treadmill or stop pedaling a stationary bike. The process continues with elevated resting energy expenditure. A study published in the journal Medicine & Science in Sports & Exercise examines the extended calorie burning effects of moderate intensity continuous aerobic exercise and High Intensity Interval Training (HIIT).
Researchers assigned 33 untrained female subjects to 8 to 16 weeks of moderate intensity steady state exercise at 50% of capacity or HIIIT with bouts reaching 84% of exercise capacity. Then they completed a single session. Calorie burning measurements were taken for 23 hours with controlled food intake.
Subjects burned 64 calories more than they would have without exercise after a session of moderate intensity cardio and 103 calories more after interval training. Resting energy expenditure was increased for around 22 hours after both forms of exercise. The effect is nullified when you don’t train for more than 60 hours.

Calories Burned After Weight Training


Resistance training builds muscle and can also burn calories. Not just while working out, but also by increasing your resting metabolic rate. This resting rate typically makes up the majority of the day’s total energy expenditure. A study published in The Journal of Sports Medicine and Physical Fitness compares the effects of training with a light to moderate load and heavy load weight training. 
Eighteen overweight women in their 30s did high reps with low to moderate weight or a linear periodization of 3 to 6, 8 to 10 and 13 to 15 reps with heavy weight. Both groups trained 3 days each week for 12 weeks. Resting metabolic rate increased by around 8.5% with low to moderate resistance and 10.5% with a heavy load. Interestingly, only 62% of subjects stuck to the light to moderate load workouts while there was 93% adherence to heavy weight training.

Strength vs Endurance Performance



People who love to lift typically don’t look forward to cardio day. That’s also the trend among runners and cyclists on the days they set aside for strength training. A study from the University of Utah looks into this separation of performance traits using lab mice.
 

Researchers observed how effectively some mice protected their territory by fighting off other mice. They also measured the running efficiency of mice using a treadmill.

Rodents that were successful fighters burned more oxygen while running compared to less successful fighters. Although there weren’t significant differences in body mass between runners and fighters, scientists theorized there might be small physiological differences.

 

How to Stretch Sprinting Performance



You might have heard that stretching can have a negative impact on physical performance. Does this happen with all types of stretching, and how long does the effect last? A study published in The Journal of Sports Medicine and Physical Fitness offers insight into these questions.
 

Over the course of 3 days, researchers had 12 male taekwondo athletes sprint 20 meters before and after 3 types of stretching exercises: static, ballistic and proprioceptive neuromuscular facilitation (PNF). Sprint times increased after all types of stretching, and the effect lasted for 15 to 20 minutes with static and PNF techniques. Sprint times recovered after only 5 minutes with ballistic stretching.

 

Time Needed to Recover from Supersets 



As a general rule, you should allow at least 48 hours for each muscle group to recover from weight training. Exercising different muscles on different days is one way to work around this schedule, but a study published in the Journal of Strength and Conditioning Research suggests super sets might require a different approach. 

Twenty-five physically active men performed 5 sets of 8 to 10 reps max on 4 different exercises: 2 targeting the legs and 2 for the shoulders. Some did super sets while other subjects separated these exercises. Super sets generated higher muscle activity as well as markers of muscle damage. Researchers concluded that 5 days was not enough time for complete muscle recovery.

The Science of Performance: Stretching Routine


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Stretching after training is a great way to jump-start the recovery process and could actually speed your muscle growth. Right after training is an ideal time because your muscles are pumped, and manually stretching helps them expand the connective tissue and fascia that surrounds the muscle. This can also improve their shape and enhance muscle separation – here are some key stretches for all your muscle groups.

Portion control tips for weight management



 Trying to guess accurate portion sizes for different foods can lead to consistent underestimating, which can make weight loss or weight management more difficult. Here are some serving size measuring tips offered by the U.S. Centers for Disease Control and Prevention.
 

You’ll need a full set of measuring cups or spoons, ranging in size from half a teaspoon to 2 cups. Then get a food scale that includes a tray or cup. Start practicing on dry foods. Items like peanuts and cereal. Measure out exactly what an ounce or half a Cup looks like. Don’t forget about liquids. Most glassware holds a lot more than a standard 8-ounce (1 Cup) serving.

What does a 4-ounce serving of chicken breast look like? Use the scale. The more you practice, the easier it’ll be to divide typically larger restaurant servings into the portion sizes you’ve planned into your daily diet.

Interval Training’s Impact On Appetite 



The phrase ‘working up an appetite’ can apply to manual labor as well as physical exercise. Overweight people wanting to get into shape and lose weight might worry that the work they put in at the gym might increase food cravings. A study published in the journal Medicine & Science in Sports & Exercise compares the effects of steady state and interval training on obese subjects.
 

Researchers assigned 46 inactive obese subjects (30 women and 16 men) to 12 weeks of moderate intensity continuous training or high intensity interval training. Both groups trained 3 times a week. Feelings of appetite and hunger hormones were measured before and after the exercise intervention, and also before and after a standard breakfast. Although feelings of hunger increased with exercise, there was no difference between steady state and HIIT groups. 

Comparing Compound Pull Movements


 To get in more days of training and allow adequate time for recovery, weight lifters often split their workouts between upper and lower body muscle groups. You can also split training sessions between pushing and pulling movements. A study published in the International Journal of Sports Physiology and Performance compared the force production characteristics of three pulling compound movements.

Researchers had 16 men with weight room experience stand on a force plate while doing reps of the hang power clean, jump shrug and hang high pull. They found that jump shrugs produced the highest relative peak force and greatest rate of force development. Jump shrugs also produce different force-time characteristics during the final stage of the movement.

Putting the spin on food choices


You’ve been told to eat your fruits and vegetables since childhood. That hasn’t stopped many adults from at least partially ignoring the advice. A Stanford University study published in the journal JAMA Internal Medicine suggests that when vegetables are described in exciting terms consumption increases.
 

On different days, beets, green beans and carrots were described in different ways at the university cafeteria. They were always prepared the same way. Indulgent phrases like “Sweet Sizzlin’ Green Beans” and “Twisted Citrus Glazed Carrots” had 25% more people choosing that vegetable compared to basic descriptions like beans and carrots. Indulgent descriptions also increased the amount of vegetables consumed by 23%.

I am eating healthy but can’t lose weight



By Ibrahim Farrukh – Fitness and Nutrition Advisor [First Nutrition]

“Help me! I can’t get more fit despite the fact that I eat healthy food and workout daily. A large portion of my dinners incorporate lean meats and loads of veggies. Alternate foods I eat are organic products, low fat dairy, nuts, beans, and entire grains. Once in a while eat food that contains sugar or a cheat meal. Why can’t I make any progress and get more fit?

A few things come into the scene when we tackle this:

First of all, you should track the quantity you eat and drink and not only the quality. 
Every person has a BMR (Basal Metabolic Rate) which is the number of calories your body metabolizes while sedentary (in rest). This BMR decreases with age, and therefore the number of calories you consume should decrease respectively.
Women: BMR = 655 + (9.6 x weight in kg) + (1.8 x height in cm) – (4.7 x age in years)
Men: BMR = 66 + (13.7 x weight in kg) + (5 x height in cm) – (6.8 x age in years)
Calculating the BMR allows you to know the right amount of calories to consumer per day, and according to your goal (lose weight or gain weight) you decide how much calories to add or take out.
Using the BMR above, and depending on the activity level, we can calculate the caloric need:
To determine your total daily calorie needs, multiply your BMR by the appropriate activity factor, as follows:
If you are sedentary (little or no exercise) : Calorie-Calculation = BMR x 1.2

If you are lightly active (light exercise/sports 1-3 days/week) : Calorie-Calculation = BMR x 1.375

If you are moderatetely active (moderate exercise/sports 3-5 days/week) : Calorie-Calculation = BMR x 1.55

If you are very active (hard exercise/sports 6-7 days a week) : Calorie-Calculation = BMR x 1.725

If you are extra active (very hard exercise/sports & physical job or 2x training) : Calorie-Calculation = BMR x 1.9
For example, if your BMR is 1745, and you are sedentary, multiply your BMR (1745) by 1.2 = 2094. This is the total number of calories you need in order to maintain your current weight.
Once you know the number of calories needed to maintain your weight, you can easily calculate the number of calories you need to eat in order to gain or lose weight:
Another important factor is selecting your macros. Always try to get enough protein. Fabricate your dinners and snacks around a decent wellspring of protein, and go for 0.7 to 1 gram of protein for every pound of body weight every day. For example, if you weigh 90 kgs and need to get to 85 kgs, utilize 85 kgs to figure the 0.7-1 gram rule.
Depending on your goal, take a look at your calorie intake and mark it by 500 kcal less. For example, if you burn 2000 kcal per day, plan your meals to target 1500 kcal per day. This deficiency in calories will keep you feeling lighter and help you maintain your weight and body composition through the years.
Remember every 1g protein = 4 kcal, 1g carbohydrates = 4 kcal, 1g fat = 9 kcal. 
Calculate all your food to meet the desired intake of calories daily.
Finally, try to have five to six small meals a day, making sure you eat properly but not till fullness. 
​References:

Wikipedia, https://en.wikipedia.org/wiki/Basal_metabolic_rate

http://www.bmi-calculator.net/bmr-calculator/harris-benedict-equation/​

Reducing Muscle Soreness



It’s not unusual to ache for a couple days after a demanding workout, especially if you’ve taken some time off from regular training. The condition is known as delayed onset muscle soreness (DOMS). A study published in the Journal of Agricultural and Food Chemistry suggests 200 ml of watermelon juice enriched with 3.3 grams of citrulline and 22 mg of ellagitannins from pomegranate concentrate can help. 

Nineteen young male subjects consumed one of four beverages before a session of squats. The watermelon/citrulline/pomegranate combination helped increase peak force an average of 3% and reduced muscle soreness compared to placebo. Subjects who used the 3-ingredient stack reported no muscle soreness after 48 hours.

Reach Greater Heights with Plyometric Training



Depending on your sport, being able to jump higher can be a significant competitive advantage. Athletes who want to elevate their game often turn to plyometric box jump type exercises. A study published in the Journal of Strength and Conditioning Research looks into what 8 weeks of plyometric training has to offer. 

Ten men and women in their early 20s were evaluated before and after 8 weeks of plyometric training. The program helped increase countermovement jump height by an average of 12%. Muscle contraction time was reduced along with muscle tone.

In between set rest and power training



Resting too long between sets can reduce the effectiveness of your power development workout. It’s also an easy way to annoy people waiting their turn on the equipment. If you’re not sure how to plan this element of your weight training, a study published in the Journal of Strength and Conditioning Research offers some guidelines to consider.
 

The peak power output of 18 men and 20 women was used to group subjects by strength. Then all subjects did 5 sets of bench throws for 8 reps using 40% of their 1 rep max. 

Factoring in reported rates of perceived exertion, ability to maintain power output and muscle soreness 48 hours after training, stronger subjects only needed 2 minutes of between sets rest while weaker subjects required 3 minutes.

Sleepless Nights Can Snap Your Strength


 A good night’s sleep is an important component of muscle recovery. Not getting enough sleep can also dull your focus. But what effect does sleep deprivation have on strength? A study published in The Journal of Sports Medicine and Physical Fitness takes a look using young Karate athletes as volunteers.
 

On separate occasions, subjects took selective attention and muscle strength tests after a normal night’s sleep and a night of no sleep. Testing took place around 9 AM, Noon and 5 PM the following day. The time it took to apply maximum force increased and activation time decreased during middle of the day and evening tests after a night with no sleep.

Caffeine’s Impact On Weight Training



Researchers have tested caffeine under a variety of individual performance and team sports conditions. What about women who want a boost in the weight room? A study published in The Journal of Sports Medicine and Physical Fitness investigates caffeine’s potential on a circuit of popular resistance exercises. 

Eight women with at least a year of weight training experience performed hack squats, bench press, knee extensions and pull downs to exhaustion on 2 separate occasions. During one workout, they received a placebo. They got 6 mg of caffeine per kg of body weight 30 minutes before the other training session. Caffeine increased reps to exhaustion and had a tendency to improve strength.

Polemetric Jumps for faster sprints



It’s no unusual for 20 and 40 meter races to be won by fractions of a second. What can you do to shave about half a second off your best time? A study published in The Journal of Sports Medicine and Physical Fitness suggests plyometric jumps using a weighted plate.

 

Two days apart, 10 male track and field athletes raced 20 and 40 meters. On one occasion, after their usual warm up, they did jumps holding a plate weighing 24.7 pounds. They didn’t use this experimental treatment on the other race day. The jumps decreased finish time by an average of 0.459 seconds in the 20 meter event and 0.405 seconds for the 40.

Oxegenated Water Helps Clear Lactate



All water that has been exposed to oxygen is oxygenated, but some water bottlers have increased the levels of oxygenation with oxygen gas. There are athletes who consume this type of water with the idea that it might improve athletic performance. A study published in the Journal of the International Society of Sports Nutrition looks into the subject.

 

Experienced male runners drank 3 bottles of oxygenated water during a 30-minute rest period, another bottle while running a 5,000 meter time trial and 2 more bottles during 30 minutes of passive recovery. Compared to runners who got a placebo, runners who drank oxygenated water experienced faster lactate clearance during recovery. There were no differences in time trial performance or muscle tissue oxygen saturation.

Variable vs Traditional Weight Training


 If strength and power are important to success in your sport, a study published in the Journal of Strength and Conditioning Research might be of interest. The paper compares the effects of 6 weeks of bench press training with or without the use of elastic bands.
 

Twice a week, 16 youth league rugby players took part in strength and power development training. Some used elastic bands to deliver 20% of the load on the bench press. Velocity and power were measured at 35%, 45%, 65%, 75%, and 85% of one rep max (1RM) before and after the program.

 

Both groups increased velocity and power. Variable resistance training with bands produced greater increases in bench press 1RM. Increases in velocity and power were greater at heavier loads for the variable training group compared to lighter loads, where there were smaller differences between groups.

Fruits and Vegetables in a diet



 Around the world, many adults consume less than the recommended amount of fruits and vegetables. This can increase the risk of becoming overweight or obese. A study published in the European Journal of Clinical Nutrition looks into whether people increase their consumption of fruits and vegetables when trying to lose weight.
 

Analyzing results from 100 participants in the Australian Eating Survey, researchers found little change in fruit and vegetable consumption while subjects were on a weight loss diet. Men tended to increase fruit consumption, and the amount of fruits and vegetables men ate tended to predict their success with weight loss. It didn’t quite work the same way with female subjects.

Thermogenic effects of Green Tea and Caffeine


Weight loss is primarily accomplished in the kitchen and the gym. The idea is to burn more energy than you consume over a period of time. But it’s always interesting to read the latest peer-reviewed research on this topic, and a study published in The American Journal of Clinical Nutrition put two common supplements to work in cool temperatures.
To investigate the thermogenic effects of green tea catechin and caffeine, researchers determined the brown fat activity levels of 15 healthy male subjects. Brown fat is generally activated at around 66 degrees. They were given a placebo or a beverage containing 615 mg of catechin with 77 mg of caffeine twice daily for 5 weeks in this cool environment. Caffeine slightly increased energy expenditure, but the combination significantly increased calorie burning for the 9 subjects with metabolically active brown fat.

Hormone Response to Weight Training


 Your body’s response to a session of weight training will vary by a number of factors. Some you have control over. Others you don’t. A study published in The Journal of Sports Medicine and Physical Fitness suggests whole body resistance training in the morning might produce a different hormonal response compared to afternoon or evening training sessions. 

On separate occasions, 10 men with weight room experience trained at 7 AM, 1 PM and 5 PM. Workouts consisted of 6 upper and 6 lower body exercises for 3 sets of 10 reps. Blood samples were collected before training, 3 minutes after finishing and 48 hours later. Hormone production increased after all workouts. Testosterone was highest before the morning training session, and only the morning workout decreased cortisol and the increased the testosterone/cortisol ratio for up to 48 hours. This might create a more favorable environment for muscle adaptation.

Recreational vs Trained Subjects



 Some research studies use weekend warriors as subjects. They usually call them recreationally active. Other studies use subjects with significant weight room experience. They are typically referred to as trained.

A study published in the Journal of Strength and Conditioning Research measured the validity of a classic fatigue test from the 1970s that used recreationally active men. It found that fast-twitch muscle fibers used for short bursts of strength, like sprinting and weight lifting, were associated with quicker quadriceps fatigue.

In a reexamination of this finding, 15 trained men in their early 20s performed maximum knee extensions to calculate peak torque and quadriceps fatigue after 30 and 50 reps. Peak torque in the trained men was 46% greater than the recreationally active subjects. Quad fatigue ranged from 53% to 72% with no relationship between muscle fiber type.

Cocoa’s Impact On Muscle Damaged



Intense training breaks down muscle tissue. It’s build back stronger with rest and amino acids from protein. But it might be possible to negate the damaging effects of prolonged exercise before the recovery phase. Consider the findings of a study published in The Journal of Sports Medicine and Physical Fitness. 

Fifteen elite soccer players between the ages of 15 and 18 were assessed before and after consuming cocoa, which has anti-inflammatory and antioxidant qualities. Blood samples revealed high levels of muscle damage, which cocoa consumption decreased by 23% to 39%. Cocoa consumption also reduced oxidative damage by around 26%.

CAFFEINE FOR SUPRAMAXIMAL EFFORT



Caffeine has been shown to help with exercise performance, but its effectiveness varies depending on the type of exercise and conditions of the study. Research recently published in the International Journal of Sport Nutrition and Exercise Metabolism investigates caffeine’s impact on running performance at 115% of capacity. 

Eighteen recreational male runners in the late 20s and early 30s took a graded exercise test one hour after consuming 6 mg of caffeine per kg of body weight or a placebo. Time to exhaustion for caffeine supplementing subjects was 11.3% higher compared to placebo. Running time ranged from an averaged 130.2 seconds with caffeine to 118.8% with placebo.

WHAT IS HYDROLYZED WHEY PROTEIN?


When you hydrolyze a protein, you break larger pieces down into smaller pieces. What might this process offer active adults who incorporate hydrolyzed whey into their supplementation strategy? A study published in Journal of the American College of Nutrition offers some interesting findings.

Researchers gave 56 men with weight training experience a 30 gram serving of whey protein concentrate or hydrolyzed whey concentrate twice daily for 8 weeks. During this time, subjects performed 2 upper body training sessions and 2 lower body training sessions each week.

After the training period, upper body one rep max (1RM) increased 4% to 7% and lower body 1RM increased 24% to 35% with no significant differences between groups. Subjects who got hydrolyzed whey concentrate lost an average of 6% body fat. Subjects who received a carbohydrate placebo gained around 4.4% body fat.

MAXIMIZING YOUR RATE OF FAT OXIDATION


We’re all a little different in terms of physiology. That’s why some people have an easier time building muscle and losing fat compared to others. In addition to these individual differences, what we eat can have an impact on the maximal rate of fat oxidation during exercise. Consider the findings of a study published in the American Journal of Clinical Nutrition.

Researchers used indirect calorimetry to determine the maximal fat oxidation rates of 305 healthy adult subjects. The average maximal rate of fat oxidation was 0.55 grams per minute. After analyzing dietary intake in the 4 days leading up to testing, they found carbohydrate consumption had a negative association with fat oxidation and fat consumption had a positive association. The variability was around 2.6%.

HOW CAFFEINE HELPS AFTER ENDURANCE CYCLING


It’s been shown that consuming caffeine can help reduce muscle pain during exercise. A new study published in the Journal of Strength and Conditioning Research looks at its potential to help reduce muscle pain after a 164 km endurance cycling event.

Subjects got 3 mg of caffeine per kg of body weight or a placebo immediately after finishing the ride and also for the next 4 mornings and 3 afternoons. Caffeine improved lower body function only during the first day, but helped reduce rates of perceived muscle soreness during afternoons for all 4 days of recovery.

We are now Mobile! First Nutrition Lebanon Mobile App Launched


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Announcing the launch of First Nutrition’s Mobile App on both Apple Store and Google Store.

Stay up to date with our latest articles, promotions and more.

Subscribing to the app will enable push notifications to allow you to receive daily posts, weekly articles, and notifications. Use of location services is limited to for registration where we assure you that your data will not be used with third parties and will be strictly used for app use purpose only.

https://www.firstnutrition.com/first-nutrition-mobile-app/

BETWEEN SETS REST FOR POWER TRAINING


Resting too long between sets can reduce the effectiveness of your power development workout. It’s also an easy way to annoy people waiting their turn on the equipment. If you’re not sure how to plan this element of your weight training, a study published in the Journal of Strength and Conditioning Research offers some guidelines to consider.

The peak power output of 18 men and 20 women was used to group subjects by strength. Then all subjects did 5 sets of bench throws for 8 reps using 40% of their 1 rep max. Factoring in reported rates of perceived exertion, ability to maintain power output and muscle soreness 48 hours after training, stronger subjects only needed 2 minutes of between sets rest while weaker subjects required 3 minutes.

FITNESS LEVEL, IRON STATUS & GPA


Being a fit female with normal iron levels can make a difference of 0.34 in your grade point average (GPA). That could be enough to bump you up one letter grade. The study conducted by Penn State University and the University of Nebraska-Lincoln was published in The Journal of Nutrition.

Researchers analyzed data on 105 female college students with an average GPA of 3.68. Subjects who were fit and had the highest levels of stored iron tended to have higher grades than unfit subjects with iron deficiency. Consider that iron helps transport oxygen in the blood. Iron deficiency has also been associated with fatigue and a reduced capacity for work.

STAIR CLIMBING HIIT WORKOUT


To get the most out of a workout when you’re short on time, many active adults turn to interval training. Doing sprint intervals is an efficient way to support cardio fitness, and a study published in the journal Medicine & Science in Sports & Exercise tests a novel approach that involves climbing stars in intervals.

In the first phase, researchers had 31 inactive women in their 20s climb stairs in 3 bouts of 20-second all-out effort. These workouts took place 3 days a week for 6 weeks. During the next 6 weeks, the 3 intervals were extended to 60 seconds of all out stair climbing. Compared to measurements taken before the interval training program began, subjects increased maximal oxygen capacity by about 7%.

HIGH INTENSITY POWER TRAINING WORKOUT


Many athletes can enhance playing performance with greater power, and there’s more than one way to develop this attribute. Consider a study published in the Journal of Strength and Conditioning Research that compared traditional power training to a high-intensity power training circuit.

Twenty-nine healthy men in their early 20s trained 3 times a week for 6 weeks. The traditional power training group did 3 to 5 sets per exercise with 90 seconds of rest between sets. The high-intensity group did a short circuit with 15 seconds of rest between exercises.

Both groups significantly increased power as measured by countermovement jumps, power load bench press performance and the Wingate test. But only subjects in the high-intensity group realized an increase in maximal aerobic speed.

STRETCHING WARM UP FOR SOCCER


How you prepare for competition on the pitch can make a big difference in your performance. A study published in The Journal of Sports Medicine and Physical Fitness compared the effects of static stretching to other warm up protocols.

Analyzing 27 peer-reviewed papers published between 1995 and 2015, researchers determined that using dynamic stretching or postactivation potentiation-based exercises enhanced on-field performance by 3.46% and 4.21% respectively while the FIFA 11+ warm up increased strength, jumping, speed and explosive performance by between 1% and 20%.

Postactivation potentiation practices and multidirectional speed drills were also considered effective half time re-warm up protocols. Static stretching either before the game or at half time reduced performance.

YOUR CELL PHONE’S IMPACT ON EXERCISE


It’s easy to see how texting or talking on a cell phone during exercise could reduce the impact of the effort. A study published in the journals Computers in Human Behavior and Performance Enhancement & Health suggests multi-tasking with your phone can also have a negative effect on balance.

Researchers had 45 college students text, talk and listen to music on their cell phones while exercising. Texting reduced postural stability by 45%. Talking reduced this measurement of balance by 19%, but just using the phone to listen to music has no impact on balance.

BCAAS BOOST POST-WORKOUT POWER


The Branched Chain Amino Acids are Leucine, Isoleucine and Valine. They are sometimes included as components of intra-workout supplements because they can help spare muscle tissue during extended training. A study published in The Journal of Sports Medicine and Physical Fitness tested their ability to attenuate decreases in power production after strength training.

Researchers assessed the countermovement jumping and seated shot put throwing performance of 11 men with weight room experience. Some were given 20 grams of BCAAs while others received a placebo before and after a session of compound barbell exercises. Although there were no differences in muscle soreness 24 hours after training, BCAAs did help reduce typical decrements in functional power a day after the workout.

HYDRATION HABITS OF COMPETITIVE ATHLETES


Losing just 2% of your body weight through perspiration can have a negative impact on athletic performance. Do you have a strategy for keeping up with hydration needs? A study of 289 competitive athletes published in The Journal of Sports Medicine and Physical Fitness shows a tendency to drink less than what’s recommended.

Subjects participating in international, national and regional events drank an average of 0.25 liters of water per hour. Analysis of survey results found that 23 subjects met or exceeded the recommended fluid intake while 150 drank less than the average reported in the surveys.

THREE DIFFERENT WAYS TO CHEST PRESS


There’s more than one way to get in a solid upper body workout. What’s the best chest press technique for bringing up a weak point? It depends. A study published in the Journal of Strength and Conditioning Research offers insight with a comparison between barbell, Smith machine and dumbbell workouts.

Twenty seven men with weight room experience were randomly assigned to chest press with barbell, Smith machine or dumbbells. All subjects performed 8 sets using 10 rep max resistance with 2 minutes of rest between sets. A couple days after training, soreness in the pecs was similar between groups, but there was no triceps soreness in the dumbbell group and recovery from elbow extensor soreness look longer when using a barbell.
Read more at http://www.optimumnutrition.com/en_US/news#xHHW8Tl1EfC2gdo4.99

HIIT MORE ENJOYABLE FOR NEWBIES



If you’re just getting back to the gym after an extended time away or decided to make a commitment to regular exercise for the first time, a McMaster University study published in the journal PLOS ONE suggests choosing High-Intensity Interval Training (HIIT) over moderate intensity steady-state effort.

Researchers had young inactive subjects take on an exercise program consisting of HIIT or moderate intensity steady state effort. The enjoyment for both groups was about the same when the programs started. After subjects gained strength and increased their level of fitness, the enjoyment of HIIT workouts increased while the experience of subjects doing the lower intensity routine ranged from unchanged to less enjoyable.

EFFECTS OF LATE NIGHT WORKOUTS


Exercise activates signaling between hypothalamus region of your brain and your pituitary and adrenal glands. But what happens when the only time you have available to work out is late at night? A study published in The Journal of Sports Medicine and Physical Fitness analyzed the effects using 20 male medical students.

According to sleep diaries kept by subjects, and saliva samples taken the morning after a 90 minute late night football match, there was no impact on sleep quality or cortisol response, but the 9:30 PM timing of exercise did alter hypothalamic-pituitary-adrenal signaling the following day.

N.O. BOOSTS YOUR BENCH PRESS


Nitrates and other nitric oxide supporting ingredients are popular components of many sports nutrition supplements. What can they do for your weight room workout? A study published in the Journal of Strength and Conditioning Research put nitrates to the test using a dozen recreationally active men on the bench press.

Some subjects were given 400 mg of nitrate while others got a placebo before performing 3 sets to failure using 60% of their one rep max. All got 2 minutes of rest between sets. Even though there were no real differences in ratings of perceived exertion or lactate buildup, nitrate supplementing subjects did significantly more reps to failure and lifted a greater total amount of weight.

EATING OATS CAN REDUCE CHOLESTEROL



Back in 1963, researchers found that substituting while bread with bread containing 140 grams of rolled oats lowered LDL cholesterol. Now a meta-analysis of 58 controlled trials published online in the British Journal of Nutrition attempts to get more specific on the cardiovascular benefits of eating oat fiber.

Analyzing the diets of 4,000 subjects from around the world, researchers estimated that daily supplementation with 3.5 grams of beta-glucan fiber from oat could lower LDL cholesterol by an average of 4.2%. Working some into your diet isn’t likely to tip the scale too much. One cup of cooked oat bran amounts to just 88 calories.

FEWER CARBS CUTS INSULIN RESISTANCE



Insulin sensitivity is a condition where insulin can’t effectively regulate blood levels of the glucose the cells in your body use for energy and other functions. Since a couple hours of moderate intensity exercise actually increase blood sugar levels, a University of Michigan study published in the journal PLOS ONE looks into the impact of diet.

Thirty two healthy women were fed meals where either 30% or 60% of the calories came from carbohydrates. After the 3rd meal, subjects in the low carb group showed a 30% reduction in insulin resistance. There was no reduction in the higher carb group, and the amount of carbs they consumed was within the range of Department of Health and Human Services recommendations…

LOSE WEIGHT & BOOST TESTOSTERONE


Low levels of testosterone can lead to fatigue as well as decreased muscle and bone mass. Fortunately, your body’s natural production of this hormone can be altered through diet and exercise. A study presented at the Integrative Biology of Exercise 7 meeting in Phoenix, Arizona measured the effect of 12 weeks of aerobic exercise on 16 normal eight and 28 overweight men.

Researchers had subjects walk or jog for between 40 and 60 minutes per session performed 1 to 3 days per week. At the end of the program, overweight subjects had lost weight and significantly increased testosterone levels. Results were best in subjects who exercised vigorously. Normal weight subjects did not see such a dramatic testosterone increase.

How Much Protein Should You Consume Post-Workout?


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New research reveals just how much protein you need after a workout to optimize muscle building.

The conundrum surrounding post-workout nutrition isn’t so much about what to eat as much as how much to eat. You and I both know protein needs to be a priority following a workout, but the jury is still out on how much protein is needed to maximize muscle growth and repair.

 

Fortunately, new research has shed some light on the matter. A study published in Physiology Reports sought to determine the impact of two different post-workout protein portions following exercise.[1] Furthermore, it also sought to determine how varying amounts of protein post-workout influenced individuals with significantly different amounts of lean body mass.

Subjects were split into four groups as follows:

  1. Low Lean Body Mass (LLBM), 20 grams of whey protein
  2. Low Lean Body Mass (LLBM), 40 grams of whey protein
  3. High Lean Body Mass (HLBM), 20 grams of whey protein
  4. High Lean Body Mass (HLBM), 40 grams of whey protein

Each group received their protein following two total-body workouts.

Researchers observed a 20 percent greater uptick in post-training muscle-protein synthesis in subjects consuming 40 grams of whey protein compared to those consuming 20 grams. What didn’t make much difference was whether the subjects had low or high lean body mass.

As long as they had the higher amount of protein, they tended to experience a greater degree of muscle- protein synthesis.

How To Eat 40 Grams Of Protein Post-Workout

Although this study was small and the first of its kind, the results suggest that striving to consume 40 grams of protein post-workout is the way to go if you want to add muscle, regardless of your size. The authors speculate that this is especially true if you follow a total-body training style.

That’s because more muscle breakdown is occurring throughout the body compared to a single-body-part split. “Speculate” is the operative word, though. Single-body-part splits were not included in this study.

Rather than having to face two monstrous chicken breasts after your workout, consider one of these seven muscle-building meal combinations to meet your post-workout protein quota!

  • 3/4 cup plain Greek yogurt + 1 scoop whey protein + 1/2 cup blueberries = 43 g protein
  • 6 oz. salmon fillet + 1 cup quinoa + 1 cup broccoli = 45 g protein
  • 4-oz. can albacore tuna + 1/2 cup canned navy beans + 2 cups baby spinach + 1 cup cherry tomatoes = 43 g protein
  • 1 cup cottage cheese + 4 tbsp hemp seeds + 1 cup chopped pineapple = 42 g protein
  • 6 oz. chicken breast + 1 cup brown rice + 2 cups baby kale = 42 g protein
  • 6 oz. sirloin steak + 1 medium sweet potato + 2 tbsp pesto = 40 g protein
  • 1 cup low-fat milk + 1/2 cup low-fat plain yogurt + 1 scoop whey protein powder + 1 tbsp almond butter + 1 frozen banana = 44 g protein
References
  1. Macnaughton, L. S., Wardle, S. L., Witard, O. C., McGlory, C., Hamilton, D. L., Jeromson, S., … & Tipton, K. D. (2016). The response of muscle protein synthesis following whole‐body resistance exercise is greater following 40 g than 20 g of ingested whey protein. Physiological Reports4(15), e12893.

Continue reading How Much Protein Should You Consume Post-Workout?

INTERVAL TRAINING FOR SWIMMERS



You can sprint intervals, cycle in intervals, even incorporate resistance into your interval training. For those who want to try something new and different, a study published in the Journal of Sports and Conditioning Research looks at what you can achieve from interval training in an Olympic sized pool.

Scientists assigned 24 former competitive swimmers to swim freestyle intervals at 50 meter or 100 meter distances. The 50 meter swimmers did 12 to 16 bouts with 15 seconds of rest between each. The 100 meter swimmers did 6 to 8 bouts and got 30 seconds in between.

After 8 weeks of training, both interval distances improved 100 meter and 400 meter swimming performance with increased stroke length and greater maximal aerobic speed. There were no significant differences between groups, and 50 meter sprint times remained unchanged.

How To Beat 8 Hours of Sitting


Back in 1953, researchers discovered that London bus drivers had a greater risk of developing cardiovascular disease than conductors working the same bus. It was the difference between sitting all day and moving around. A new study published in The Lancet looks into the level of exercise needed to negate the effects of driving to work and sitting at a desk 8 hours a day.

Scientists analyzed 16 studies involving more than 1 million adult subjects and grouped them by level of daily exercise. They found that 60 to 75 minutes of moderate intensity exercise per day was enough to make up for the risk created by being inactive for more than 8 hours a day.

via @optimumnutrition

BOREDOM BOOSTS FAT & SUGAR CRAVINGS



Need another reason to keep active? Research from the University of Central Lancashire suggests you’re more likely to reach for unhealthy food choices after completing or boring task. Not only does boredom influence decisions about food quality, it also seems to play a role in the quantity consumed.

Forty-five subjects snacked while watching either boring or funny videos. By weighing treat bowls after the video viewing, researchers determined how many healthy and unhealthy snacks were consumed. They theorized that boredom leaves you with low levels of the feel-good brain chemical dopamine, so we compensate by eating sugar and fat to stimulate its release. Going for a run might be a better alternative.

PROTEIN RECOMMENDATIONS MIGHT BE TOO LOW


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The estimated average requirement for protein is an amount experts believe will meet the needs of half the population. That number is increased by around 20% to determine the Recommended Dietary Allowance (RDA) which is currently 0.8 grams of protein per kilogram of body weight per day. A study published in The Journal of Nutrition suggests that value might be too low.

Researchers analyzed the protein intakes of 6 older men on 7 separate occasions using diets where daily protein intake ranged from 0.2 to 2 grams per kilogram of body weight. After analysis, they determined that a good RDA for those and younger subjects would be in the range of 0.94 and 1.24 grams per kilogram of body weight per day. That’s about 30% more than current estimates.

CARB LOADING CAN BE HARD ON YOUR HEART


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Bodybuilders have been known to carb cycle during a diet, increasing carbohydrate intake on certain days to trick their metabolism into not slowing down so much from caloric restriction. Endurance athletes like to load up on carbs before long distance race events, and a study published in the Journal of the American College of Cardiology (JACC) suggests going overboard with carb loading might be hard on your heart.

Researchers from Vanderbilt and the University of Alabama Birmingham gave 33 subjects a 264 calorie carbohydrate shake. This high-carb load suppressed the heart’s production of a hormone called ANP by 25% over several hours. Because ANP helps rid your body of excess salt and reduces blood pressure, restricting this process can contribute to salt retention and hypertension.

LONG-TERM CALORIE CUTTING HAS ITS RISKS


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Cutting down for summer or a physique contest is one thing. Researchers from the Leibniz Institute on Aging – Fritz Lipmann Institute in Jena, Germany found that cutting calories long-term can have both positive and negative consequences, as a study published in the Journal of Experimental Medicinesuggests.

A few years back, scientists were able to extend the lifespans of worms, fruit flies and lab rats through caloric restriction. Sometimes they lived 50% longer than normal. More recently, tests on mice showed that 30% food restriction slowed the aging of stem cells while reducing production of blood cell lymphocytes used for immune defense up to 75%

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START YOUR DAY WITH PROTEIN


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Got a busy day ahead of you? Fuel up with a healthy breakfast and make sure you get a fair share of protein. A study on obese and normal weight children published in The Journal of Nutrition suggests protein at breakfast can increase both energy expenditure and fat oxidation.

Some subjects were fed a breakfast with a macro-nutrient distribution of 21% protein, 52% carbohydrates and 29% fat while others sat down to a meal of 4% protein, 67% carbohydrates and 29% fat. The average rate of fat oxidation for all subjects was 16% higher with the high-protein breakfast, and overweight children burned more energy in the 4 hours following the high-protein meal.

True Strength Moment: Because approximately 1 out of 3 children between the ages of 2 and 19 are considered obese, this is important research. Subjects also reported a greater feeling of fullness after the high-protein breakfast, even though all subjects consumed about the same amount of food at a buffet later in the day.

SUPPLEMENTS THAT AID MUSCLE GAIN


       Optimum Nutrition BCAA 1000 Caps   Optimum Nutrition Micronized Creatine Powder       Optimum Nutrition Serious Mass

When training for muscle gain we push our bodies to places they haven’t been before. The structure of our routine changes – weights increase and the intensity of workouts increases too.

We understand that in order to build muscle and size we must create a stimulus that challenges us, causing our muscle fibres to breakdown, repair and adapt (grow). Training within our comfort zone will only allow us to maintain our existing level of strength and fitness. By placing more demand on our bodies, it becomes paramount that we are eating the correct foods and taking the right supplements to promote the process of recovery.

Continue reading SUPPLEMENTS THAT AID MUSCLE GAIN

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BREAKING DOWN YOUR AMINO ACIDS


aminoEnergy-stack
Active adults who train intensely typically choose complete proteins containing all of the Essential Amino Acids to kick-start recovery. A new study from the University of East Anglia found a correlation between regular consumption of 7 amino acids from meat, fish, dairy, beans, lentils, broccoli and spinach, and cardiovascular health.

Examining data on 2,000 normal weight women in the TwinsUKregistry, researchers found evidence that higher consumption of these amino acids might be associated with lower blood pressure and less arterial stiffness.

True Strength Moment: The 7 amino acids singled out in this research were arginine, cysteine, glutamic acid, glycine, histidine, leucine and tyrosine. An interesting mix of Essential, Conditionally Essential and Non-Essential amino acids.

Everybody wants a lean, muscular physique. Like anything worth having, wanting it isn’t enough. You have to commit to a rigorous diet and training program that will tax your strength mentally as well as physically. To help you satisfy both of these demands, ON’s Essential Amino Energy combines a powerful ratio of rapidly absorbed free-form amino acids with natural energizers and N.O. boosting ingredients to help you reach your next level – including muscle-building BCAAs and arginine to help support intense, vascular pumps.* At 10 calories per serving, it’ll make a big impression without denting your diet. Mix up Essential Amino Energy anytime you want to dial up mental focus, physical energy N.O. production, and recovery support.*

Free Form Amino Acids for Rapid Uptake*
Essential Amino Acids including BCAAs
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Train Longer & Harder with Beta-Alanine*
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Only 10 Calories and 0 Grams of Sugar per Serving
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