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Alerts

FDA advises consumers to stop using any supplement products labeled as OxyElite Pro or VERSA-1. Please see the following advisories: FDA -10/08/13, FDA - 10/11/13 and CDC - 10/08/13.

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Announcements

New article on reporting side effects of supplements
Just published in The New England Journal of Medicine: A recent article brings up dietary supplement issues you need to be aware of and discusses how dietary supplement side effects could be monitored better. A PDF of the April 3rd article is available free online.

3rd International Congress on Soldiers’ Physical Performance
August 18-21, 2014
The ICSPP delivers innovative scientific programming on soldiers’ physical performance with experts from around the world.

DMAA list updated for April 2014

Fueling Performance Photo Campaign
Share photos of how you fuel your performance and be featured on our Facebook page!

Dietary supplement module
Earn continuing education credits (if eligible) for this two-hour online module.

Operation LiveWell

Performance Triad

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HPRC Blog

Welcome to the HPRC Blog. We've got lots of information here, from quick tips to in-depth posts about detailed human performance optimization topics.

HPRC Fitness Arena: Physical Fitness

Fluid replacement during operations or exercise

HPRC Fitness Arena: Physical Fitness
Filed under: Hydration, Exercise
Staying hydrated is important, but is there a "best" way to hydrate?

If you sweat a lot during exercise drink lots of fluids, but do not exceed 1.5 L/hour. Sip frequently rather than gulp; drinking small amounts of fluids at a time are more effective than drinking large amounts occasionally. Also, start drinking before you become thirsty. Click here for more information.

Not all carbohydrate foods are equally effective

HPRC Fitness Arena:
Certain foods raise blood sugar better than others. It's important to what to eat after a moderate to high intensity mission or exercise.

As stated in the Warfighter Nutrition Guide (chapter 5) , certain foods raise blood sugar, or glucose, levels better than others. Ultimately, blood glucose from foods you eat are stored in the muscles and liver, in the form of glycogen, to supply energy for future physical activity.

The term glycemic index (GI) is used to describe how high a particular food will raise blood glucose. A high GI food is more effective for replenishing muscle and liver stores of glycogen than one with a low GI. Immediately after a moderate/high intensity mission or exercise, eat foods and beverages that have a moderate to high GI to replenish the glucose used up.

Click here for more information on the Glycemic Index.

Men and women sweat differently

HPRC Fitness Arena:
The New York Times Well blog features an article on research that studies the differences of men and women sweat.

Sweating WomanPhoto: Shutterstock.com

The New York Times Well blog features an article on research that studies the differences of men and women sweat.

According to the article, fit women seem to sweat differently than unfit people of either sex, and quite differently than fit men, a fact that has implications for sports performance.

Click on the link below to access the article.

Do Women Sweat Differently Than Men?

 

Preventing sports related injuries

HPRC Fitness Arena:
The October 20 edition of the Vancouver Sun has a brief article on preventing sports injuries.

Woman with knee painPhoto:Shutterstock.com

The October 20 edition of the Vancouver Sun has a brief article on preventing sports injuries.

Click on link below to access the article.

Eat a PBJ post-workout

HPRC Fitness Arena:
Want a great post-workout meal?

It’s important to eat something after a strenuous workout to replenish muscle stores of carbohydrate and have plenty of protein available to repair the body. Try a peanut butter and jelly (PBJ) sandwich for a great post workout meal! It’s cheap and packed with nutrition if you use natural peanut butter without added sugar and fats, and whole-grain bread.

For other post-exercise snacks please visit the Warfighter Nutrition Guide.

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Treadmills vs. elliptical machines – which is better?

HPRC Fitness Arena:
A look at two gym favorites.

Treadmill Elliptical Machines

Reuters.com has an article that examines the advantages and disadvantages of treadmills versus elliptical exercise machines.

Read the full article here.

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Follow-up article questions the validity of military's blood test screening for concussions/TBI

HPRC Fitness Arena:
Wired Magazine questions the Army's research on concussions and traumatic brain injuries.

Doctor Analyzing X-Ray

In the 10/18 In the Crosshairs, we linked to a story on  from CNN.com that reported on military medical researchers that have developed a blood test that can detect if someone has suffered a concussion or a mild traumatic brain injury.

In response, Wired.com has an article in their  Danger Room section that calls into question the research that has been done by the Army.

Read the full article here.

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Military medical researchers develop blood for screening concussions or mild traumatic brain injury

HPRC Fitness Arena:
Can a blood test detect a concussion or TBI?

MRI of Head

CNN.com is reporting that military medical researchers have developed a blood test that can detect if someone has suffered a concussion or a mild traumatic brain injury.

Traumatic brain injury (TBI) is a big concern for the military, particularly milder forms, because unlike TBI, milder injuries cannot be seen on X-rays, CT scans or MRIs. Having this test would be useful not only for the military but for civilians as well.

Read the full article here.

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Stand more often to become leaner

HPRC Fitness Arena:
Are you sitting down?

Rather than sitting during the day, stand when possible. During your next phone conversation, stand up. Standing burns more calories by engaging more muscles and prevents inactivation of fat burning enzymes. It uses more blood glucose which may prevent adult onset diabetes. According to this article, simply standing can improve your cholesterol and overall health – an amazingly simple strategy to improve fitness!

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Overweight recruits make it tough to fill military ranks

HPRC Fitness Arena:
There have been a rash of articles in the news recently focusing on soldier fitness (or lack thereof).

KENS Channel 5 in San Antonio, TX has posted an article on their website that reports that, according to the military, the number of prospective recruits are just too fat to enlist, which is making it difficult to fill their ranks.

The article cites a non-profit group called Mission Readiness, made up of retired senior military leaders, who feel there is a solution to the problem.

The group has a three-point approach that would solve the obesity problem for prospective recruits:

  1. Get the junk food and high-calorie beverages out of our schools.
  2. Increase funding for the school lunch program.
  3. Support the development, testing and deployment of proven public-health interventions.

Read the full article here.