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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

Learning mental toughness through Army training

HPRC Fitness Arena: Mind Tactics, Total Force Fitness
Can mental toughness be taught? Time magazine interviewed Dr. Martin Seligman on how the Army plans to do it.

In an April 2012 Times article Dr. Martin Seligman, whose work on “positive psychology” influenced Comprehensive Soldier Fitness, explains his stance that soldiers can enhance their mental toughness through optimistic thinking. By seeing situations as temporary—“It will go away soon”—or specific—“It’s just this once”—or changeable—“I can do something about it”—you can make it through adversity and perform optimally. The training also emphasizes how resisting negative thoughts such as “Maybe I don’t have what it takes to be a soldier” while expressing gratitude—“I made it farther than I did last time”—are part of the puzzle to building resilience and becoming mentally tough. To learn strategies that can help build mental toughness, visit OSOK’s Mind Tactics module in HPRC’s Total Force Fitness domain.

Remembering Memorial Day

HPRC Fitness Arena: Total Force Fitness
Memorial Day is not only a time to remember those who have served but to remember how to serve those who will do so.

Memorial Day began as “Decoration Day” after the Civil War. In 1882, Decoration Day became widely known as Memorial Day, and after WWII it became a day to remember all our fallen heroes, not just those from the Civil War. In 1967, Congress passed the law making it an official holiday to be celebrated on May 30, subsequently changed to the last Monday of May. We at HPRC extend our greatest appreciation to those who have perished for our nation and offer our sincere sympathy for the families left behind. There are many ways people choose to remember those who gave their life as a supreme sacrifice to our country and its ideals, but most involve outdoor activities with families. HPRC (www.hprconline.org) is dedicated to providing our Warfighters and their families the information they need to build their resilience to prevent injury and illness and carry out their missions as safely and effectively as possible. Our desire is to reduce the level of sacrifice our warriors have to make as they fulfill their future missions for us and for our Nation.

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Updated DMAA list available

 HPRC’s list of DMAA-containing dietary supplement products has just been updated.

The latest update of HPRC’s list of DMAA-containing dietary supplement products is now available online. Six more products have apparently been removed from the market; one has been added to the list because the fact that it contains DMAA is stated only on the product label, not on the manufacturer’s website.

Stars and Stripes reports: Army study on DMAA will continue

The Army will continue its own study on the effects of DMAA even after the FDA sent warning letters to marketers and distributors of dietary supplement products with DMAA.

Following in the wake of the Food and Drug Administration’s warning letters to manufacturers and distributors of dietary supplements containing DMAA, the Army announced that its own study on the effects of DMAA on soldiers will continue. Read about the announcement and more in the recent Stars and Stripes article. For more information about the FDA’s action, you can read HPRC’s post, which also includes a link to the FDA news release.

The One-Rep-Max: Assessing your maximum strength

Muscular fitness is an essential component of your overall fitness. But how do you know how much weight to lift when you’re training for muscular strength or muscular endurance?

When you begin a resistance training program, how do you know how much weight you should be lifting? Most muscular fitness programs are designed around lifting a percentage of your maximum strength.

The first step in this process is to determine what your maximum strength is. A popular technique for assessing muscular strength is the one-repetition maximum test (1RM), or the maximum amount of weight you can press once but not twice. Alternatively, multiple repetition tests can be performed as a reliable estimate of maximum strength. One study found that a five- repetition test was the most accurate, but no more than 10 reps should be used to estimate strength. This instructional video will demonstrate the ACSM protocol for a 1RM test. This protocol can also be applied to a multiple-repetition test. For example, determine the maximum amount of weight you are able to lift five times, but not six times, for a five-rep max test. If you have doubts about whether this is the right test for you, be sure to consult your doctor.

The second step is to determine what percentage of your 1RM, in weight, you should use to improve your muscular strength and endurance. Typically, improvements in muscular strength are seen when using 60-80% of your 1RM. Increased muscular endurance is achieved using about 50% of your 1RM. Read more on muscular fitness and more details on how to train for each here. Once you have assessed your maximum strength, use this conversion chart from the National Academy of Sports Medicine (NASM) to determine percentages of your 1RM.

Happy lifting!

FDA Warns Companies about DMAA Safety

Marketers and distributors of products containing DMAA warned by FDA.

The Food and Drug Administration (FDA) sent warning letters to manufacturers and distributors of dietary supplements containing 1,3-dimethylamylamine (DMAA) due to lack of safety evidence provided before marketing. The FDA states that information about the safety of DMAA as a dietary supplement ingredient has not been identified. For more information, see the FDA News Release and HPRC’s latest on Dietary Supplement Products Containing DMAA.

Food safety recalls & tips at your fingertips

HPRC Fitness Arena: Nutrition, Total Force Fitness
Alerts and recalls from FoodSafety.gov are now automatically displayed on HPRC’s Nutrition page via a new “widget.”

Federal food safety information from the U.S. Food and Drug Administration (FDA) and the U.S. Department of Agriculture (USDA) is now provided on HPRC’s Nutrition domain page via a new “widget” (app) from the U.S. Department of Health and Human Services. Recent food safety alerts and recalls are automatically displayed and updated as new recalls, etc., are added. Please see this new feature by visiting HPRC’s nutrition section.

Leveraging mindfulness as a performance-optimization tool

HPRC Fitness Arena: Mind Tactics, Total Force Fitness
Practicing mindfulness can improve performance by reducing stress and increasing well-being.

PsychCentral’s March 2012 "Ask the Therapist" article addresses how mindfulness relates to military performance—especially important now that the military has been incorporating mindfulness tactics for enhancing Warfighter mental and physical resilience. Of particular note is a study from the Journal of Clinical Psychology that demonstrated significant improvements in PTSD symptoms, depression, etc. in veterans after completing a Mindfulness-Based Stress Reduction (MBSR) program. The article also noted other studies that showed long-term stress-reduction, well-being, and positive experiences. Simply put, acknowledging emotional pain helps you overcome it. You are then able to focus and communicate with loved ones more effectively.

If you’d like to learn more about meditation and mindfulness, check out the Mind Tactics section of the HPRC website, which contains many resources related to meditation and mindfulness, as well as resources related to mental fitness, mental toughness, and resilience.

Know your cholesterol numbers

HPRC Fitness Arena: Nutrition, Total Force Fitness
Do you know what your HDL and LDL numbers are?

Good cholesterol, or high-density lipoprotein (HDL), helps prevent fat and cholesterol from clogging your arteries. A higher HDL number (> 60 mg/dl of blood) is better. Low-density lipoprotein (LDL) is considered bad cholesterol. It carries cholesterol to your arteries and can cause them to become blocked. A lower LDL number (< 100 mg/dl) is better. High-LDL or low-HDL cholesterol levels are major risk factors for heart disease and stroke. Visit this American Hearth Association web page for more information.

DMAA list updates

HPRC has again updated its list of DMAA containing products. The latest news includes New Zealand’s ban on DMAA-containing products.

The latest news on DMAA includes the New Zealand government’s ban just placed on DMAA-containing products. DMAA has already been declared a drug in Canada and is banned by the World Anti-Doping Agency, the United States Anti-doping Agency (USADA), collegiate sports teams, and most professional sports teams.

HPRC has again updated its list of DMAA-containing dietary supplements, including a number of additions as well as some products that have been discontinued or reformulated. The additions mostly represent lesser-known products that have been around a while, but surprisingly there are a couple new products too. And we have added two new “aliases” to the list of other names for DMAA. To download the list, click on this link to “Dietary Supplement Products Containing DMAA.

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