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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: Total Force Fitness

Could you be at risk of an eating disorder?

HPRC Fitness Arena: Nutrition, Total Force Fitness
Learn about the risk factors that could lead to an eating disorder, including causes, symptoms, diagnosis, and treatment.

Eating disorders affect more women than men, and usually there is no single cause. Risks of developing an eating disorder can stem from genetics; biologic, emotional, and personality disorders, as well as family situations. Warfighters are not immune to these disorders and may even have a higher percentage than the general population. Having an eating disorder can significantly impact your performance. Not getting enough food or not eating healthy, consistent amounts of food means that your body is not being fueled optimally for performance. The University of Maryland Medical Center has put together a report on risk factors, causes, symptoms, diagnosis, and treatment for eating disorders as well as links to other helpful resources.

Marines address boot camp injuries

Reducing injuries during boot camp is a priority for the Marine Corps; athletic trainers keep watch over recruits to ensure the 13-week training is as injury-free as possible.

The Los Angeles Times is reporting on how the Marine Corps has hired 27 certified athletic trainers—most with experience tending professional and college athletes—to oversee training for enlisted recruits and officer candidates at sites throughout the United States. According to the article, this is a new direction for the Corps: Not that long ago, the drill instructors might have dismissed recruits who complained of being injured and ordered them back into action.

To learn more about military recommendations for prevention of injuries related to physical training related, visit the HPRC’s Injury Management page and click on the link to read Recommendations for Prevention of Physical Training (PT)-Related Injuries.

Survival tips for couples during the holidays #1: Positive versus negative

Learn how many positive behaviors you need to make up for one negative behavior in your relationship with your partner.

The holidays can sometimes be a difficult time for relationships. Through this holiday season, remember to compliment your loved ones and show them on a daily basis that you care for them. are thinking of them, and love them. Couples who do five positive actions for every negative one are more likely to have long, happy, successful marriages. Contrastingly, unhappy couples are more likely to have one positive interaction—or even less—for every negative interaction.

Products containing DMAA gone from AAFES stores

The AAFES is pulling products that contain DMAA from its shelves and will no longer sell anything with this potentially dangerous substance.

The Army and Air Force Exchange Service (AAFES) has banned the sale of products containing 1,3-dimethylamylamine (DMAA), also referred to as methylhexanamine, Geranamine, and geranium oil, extract, or stems and leaves. All products containing DMAA have been pulled from store shelves. DMAA is increasingly being associated with serious adverse events. For additional information about the recent AAFES decision, read the Stars and Stripes article.

Energy drinks are really stimulant drinks

Energy drinks contain stimulants; learn how to identify potentially harmful ingredients.

Do you really know what’s in that energy drink? There are different forms of stimulants in energy drinks, many of which are prohibited.  The United States Anti-Doping Agency (USADA) has put together an information sheet on these “stimulant drinks,” including a helpful example of an ingredient label.

Get the latest scoop on multivitamins

New multivitamins/minerals fact sheets for consumers and health professionals are now available from the Office of Dietary Supplements.

The Office of Dietary Supplements has released new fact sheets on multivitamin/mineral supplements. The QuickFacts version was designed for consumers; health professionals and those who want to know more can get additional detailed information from the Fact Sheet.

Progressive overload injuries

Don’t get injured by trying to do too much too soon. Ramp up your exercise regimen slowly and steadily to avoid getting hurt—and having to start over.

Overuse injuries are a common risk associated with the rigors of physical training. A healthy tip to implement into your training program is to gradually increase your training workload by just 10% each week. This will help—but not guarantee—to reduce the risk of muscle or joint injury such as tendonitis or stress fractures caused by repetitive trauma. In essence, keep the progressive changes in your activity levels gradual, listen to your body, and make incremental adjustments in time and intensity until you reach your new fitness goals.

Pick the battles you both can win

The majority of problems among couples actually are not solvable, but they can be dealt with through discussion.

Research on couples relationships over time has found that around 70% of problems among couples remain the same throughout the relationship, which means that only about 30% of problems can be resolved. Therefore, learning how to work on the problems that can be resolved and engaging in an ongoing discussion around perpetual problems is the key to happy long-term relationships. Recognizing that the perpetual problems are not going to be directly overcome can help couples be less frustrated at their partner for issues that just cannot be resolved. Therefore, learning to live with the perpetual problem, and talking to your loved one about it as needed, can help ease couples relationships in the long run.

For more information on how to optimize your relationships, see HPRC's Relationship Skills section.

Future Trends: DARPA looking to develop “performance underwear” for warriors

DARPA researchers envision a future of soldier technology that will improve Warfighter effectiveness by employing high-tech underwear.

The future of Warfighter technology may someday include a high-tech “performance underwear” bodysuit that will protect soldiers from injuries, monitor vitals, and help soldiers maintain body energy while on the battlefield. This, according to an article in Wired.com, is what DARPA (Defense Advanced Research Projects Agency) hopes to one day accomplish. DARPA describes this so-called performance underwear concept as being an “adaptive, compliant, nearly transparent, quasi-active joint support suit,” which can “mitigate musculoskeletal injury caused by discrete dynamic events while maintaining soldier performance.” According to the official solicitation notice, the “DARPA Warrior Web program…will develop the technologies required to prevent and reduce musculoskeletal injuries caused by dynamic events typically found in the Warfighter's environment. This will be accomplished by a system (or web) of structures, in the form of a skin-suit, that are compliant and transparent until injury-causing conditions activate appropriate changes in the web structure.”

Sounds good…except there is one catch: Right now, military technology of this caliber doesn’t exist. The Wired article indicates that DARPA plans to introduce its future performance tool this month to a meeting of potential researchers. Their goal? To find a company that might be able to create a compliant, Warfighter-wearable, quasi-passive, adaptive suit system that can reduce injuries and retain optimal warrior performance.

Stay active and reduce stress

Stressed out? Try getting more exercise, and you may find your high blood pressure dropping along with your stress level.

Many who suffer from a lot of stress also have high blood pressure and do not exercise. People who practice some form of activity or exercise benefit from less stress associated with personal, family, and work situations. Reducing stress will improve your health. Exercise helps improve your stress tolerance and also can strengthen your cardiovascular system, increase endorphin levels, and keep you mentally focused. Bike rides, power walking, and yoga are some of the many inexpensive, time-efficient ways to improve your general fitness and reduce stress. The Mayo Clinic has more good advice on how and why to reduce stress.

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