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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

Dendrobium in dietary supplement products

 What is dendrobium, and why is it being used in dietary supplement products?

Dendrobium is being used as a dietary supplement ingredient in some pre-workout products marketed to enhance physical or athletic performance. What is it? And is it effective? Read this OPSS FAQ about dendrobium to find out. Be sure to check back often, as we add answers to other questions about ingredients in performance and weight-loss supplements and how to choose supplements safely.

If you have more questions about a particular dietary supplement ingredient or product, please use our “Ask the Expert” button located on the OPSS home page.

The electrocardiogram (ECG): Matters of the heart

Filed under: Athletes, ECG, Heart
An ECG screening could be part of pre-participation screenings in the future.

Are your high-school students gearing up to play a team sport? You might want to consider the pre-participation screening requirements and what’s on the horizon for future changes. The electrocardiogram—a test used to examine electrical impulses of the heart—has been used as a screening tool to identify cardiac problems. At the American Medical Society’s annual meeting, Dr. Francis O’Connor (Medical Director for the Consortium for Health and Military Performance, HPRC’s parent organization) recently presented an evaluation of recent recommendations from the European Society of Cardiology for physicians interpreting ECG test results of athletes. The accuracy of the interpretation is under scrutiny, as the results of ECGs can be tricky to interpret.

In the United States, athletes aren’t required to have an ECG screening prior to sports participation—but that might change in the future if it’s deemed that accurate readings of such screenings are reliable and might identify underlying heart abnormalities. For now, however, Dr. O’Connor noted, “identifying abnormal from normal is not as easy as it may seem.”

Exercise for your mind

HPRC Fitness Arena: Mind Tactics, Total Force Fitness
You probably know exercise has positive effects on your physical health, but physical fitness and regular exercise have many benefits for your mind too.

You know the positive effects of exercise on your health: how it can benefit every part of the body and dramatically extend your lifespan. But did you know that—in addition to reducing risk factors for cardiovascular disease, diabetes, and hypertension—exercise also can play a role in helping some mental health issues? Physical fitness and regular exercise appear to buffer against depression and anxiety, promote calmness, enhance mood, and help protect against the negative effects of stress.

Exercise also can benefit your brain in other ways. Exercise benefits learning and memory, protects the brain from degeneration, and increases the brain’s ability to adapt after new experiences. Physical fitness and regular exercise promote both physical and mental resilience—something that is important for all to think about.

Check out HPRC’s Physical Fitness domain and the Family Fitness section of HPRC’s Family & Relationships domain for resources to improve your physical fitness.

Over-hydration: too much water hurts

HPRC Fitness Arena: Environment, Total Force Fitness
Staying hydrated is essential, especially during physical exertion in the heat. But beware—too much water can be dangerous.

It’s important to get enough water, especially when it’s hot. However, too much water can lead to a dangerous condition known as hyponatremia in which the sodium levels in your blood drop too low. It’s often caused by drinking too much water and is common among military personnel, athletes, and hikers. Significant weight gain (due to fluid retention) during exercise can occur, along with longer finish times for endurance activities. If you have a Body Mass Index (BMI) below 20, you are more likely to develop this condition. For more in-depth information, read HPRC’s InfoReveal on over-hydration.

It’s time to get off the SoFAS!

HPRC Fitness Arena: Nutrition, Total Force Fitness
Foods containing SoFAS (Solid Fats and Added Sugars) are often high in calories but don’t provide many important nutrients such as vitamins, minerals, or fiber. Eating too many SoFAS increases your risk of disease.

According to the 2010 Dietary Guidelines for Americans, solid fats and added sugars (SoFAS) contribute nearly one-third of the average person’s daily calories!

Solid fats, as the name implies, are solid at room temperature; they include both saturated and trans fats. They tend to raise “bad” (LDL) cholesterol, increasing your risk for heart disease. Sources of solid fats include butter, cheese, meats, and foods made with these products, such as cookies, pizza, burgers, and fried foods. For more information, read how to tell the difference between solid fats and oils.

Added sugars can contribute to weight gain and tooth decay. Although some foods such as fruit and milk contain naturally occurring sugars, added sugars are usually found in processed foods such as sodas, sports or energy drinks, candy, and most dessert items. It can be hard to identify added sugars on food labels, but you can learn how to recognize hidden sources of sugar.

Foods containing SoFAS are often high in calories but don’t provide many important nutrients such as vitamins, minerals, or fiber. Fortunately, it’s easy to cut back on SoFAS by eating a diet rich in whole foods such fruits and vegetables, whole grains, low-fat dairy products, and lean sources of protein, and following the MyPlate guidelines.

Work out anytime, anywhere

The American Council on Exercise offers a variety of specific, easy-to-follow workouts online.

Looking to define your glutes, hips, and thighs? Want a total body workout to help you improve your score on the next PFT? Not close to your unit? You can access workouts complete with warm-up, cool-down, and videos of each exercise all online. There is a variety of routines, so depending on what you are looking to get out of a workout, there may be one for you. This is a handy resource for all Warfighters, but reservists and National Guardsmen often can’t work out with their unit, so these videos could provide a new twist to an individual workout. If you are far from your unit and are not able to participate in unit physical training, try these workouts! Sport-specific workouts are also available for the cyclists or swimmers in the service.

Minimalist running shoes: Do they really prevent injuries?

Barefoot-style running and minimalist running shoes are growing in popularity, but some new research now shows there are risks.

Barefoot-style, or minimalist, running shoes are still growing in popularity in the military, and the debate continues over whether this style of running prevents injuries or just causes different injuries. There is new research on minimalist running shoes (MRS) and their impact on lower leg and foot injury. After a 10-week study, runners who transitioned to Vibram FiveFinger minimalist running shoes showed signs of injury to their foot bones, while the runners who used traditional running shoes showed none. The types of injuries the MRS runners demonstrated were early signs of inflammation, which may or may not be associated with pain or joint dysfunction. If they are, it might be difficult for the runner to know he/she is actually injured until it is too late and the injury has progressed. More research is needed to determine if other factors (weight, running form/style, mileage, running surface) contribute to injuries associated with barefoot-style running. At least one recent study suggests running style may be a factor. For more in-depth information, read HPRC’s InfoReveal.

Muscle in on your personal finances

Creating a monthly budget can help your wallet go from sickbay to the frontline.

Personal finances can be a major source of anxiety for Warfighters and family members. Creating a monthly budget can help. A budget is simply tracking money that comes in (income), goes out (expenses), and sticks around (your savings) each month. It does take some effort in the beginning to set up a budget, but once it’s done, it’s easy to update. If you don’t like using computer spreadsheets or writing things down in a ledger book, there are free apps you can use or budgeting programs you can buy. Or check around online—MilitaryOneSource has a budget worksheet. Or get help—some of the Military and Family Life Counselors (MFLC) are Personal Financial Management (PFM) counselors too. They are familiar with military life and its financial challenges, and using their services is free. Visit Military INSTALLATIONS to find the closest PFM to you. Finally, most banks offer tips on their websites on how to save and manage debt, and your local branch may offer free financial seminars.

The key to reducing expenses in order to save is easy—spend less. Many people, however, have a hard time cutting back on spending. A budget can help you keep on track. Saving money takes effort, but it’s worth it for your financial future.

Basic Formula: “Money In” minus “Money Out” equals “Money Retained.”

National Physical Fitness and Sports Month

Did you know that May is the National Physical Fitness and Sports Month?

May is National Physical Fitness and Sports month so get out and get moving—and include your family! There are lots of great reasons to add exercise to your daily routine: It decreases your risk for chronic health problems such as diabetes and cardiovascular disease and improves your mental health. Getting outside for a walk with your children can be great bonding time and may even help them (and you) sleep better at night! You can find ideas to incorporate physical activity into your life, including interactive tool kits and planners, at the Federal Occupational Health website. HPRC also provides resources (family friendly ones, too) to help you get started and stay on track!

Meditation strategies to manage pain

HPRC Fitness Arena: Mind Tactics, Total Force Fitness
Tap the power of your mind—manage pain through the practice of meditation.

Pain is a sensation of both the body and the mind—and it’s within your power to use strategies such as meditation to control the mental aspect to decrease the physical sensation of pain. Meditation can teach you to have a focused, calm mind, and rhythmic breathing. It may sound easy, but it requires practice. The payoffs can be improved well-being, reduced pain, and relaxation. Want to know more? Check out HPRC’s new Pain Management section, where you can find strategies such as meditation that you can use on your own or with the help of a healthcare provider.

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