You are here: Home / HPRC Blog
RSS Feed for Physical Fitness

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

Computer Vision Syndrome

Learn how to recognize and prevent eye problems associated with extended computer monitor use.

As you read this article right now, your eyes are working harder than they would if you were reading a book or even watching TV. Attention, desk warriors! If you stare at a computer for most of the day, you could leave work experiencing dry eyes, headaches, and blurred vision. 90% of people who work on a computer experience symptoms of Computer Vision Syndrome, or CVS. Symptoms include blurred vision, dry eyes, headaches, eye strain, irritation, redness, and any number of other ocular symptoms.

Computers have become a necessity in our world, so monitors are here to stay. Here are some of the causes of CVS and some tips to help you protect your eyes from the screen:

  • Blinking. One of the main symptoms of CVS is eye dryness. This occurs for two reasons: First, your eyes are focusing on the same depth of field for an extended period of time; second, unlike the non-stop action on a TV screen, there may be little movement happening on your computer screen. The lack of movement and constant field depth leads to less blinking and, therefore, eye dryness.
    Fix it
    by spending 30 seconds every hour or so adjusting your eyes to something far away. If you work in a small office, put up a picture and focus on something small in the background. This change in depth of field will exercise your eyes, and you’ll blink more!
  • Monitors. The pixels on a computer screen can cause some problems. Because they are not all the same brightness, they don’t produce the same contrast. And they can cause words or pictures on the screen to look fuzzy, straining your eyes and contributing to CVS.
    Fix it
    by investing in a good LCD monitor if you have not done so already. LCD monitors reduce glare and contrast, as compared with older types of monitors. If you already have an LCD monitor, then talk to an ophthalmologist about getting some reading glasses to help reduce eye strain. Adjusting the lighting in the room and/or on your computer screen can also help soften the symptoms of CVS.
  • Existing vision problems. You may already have a vision problem that went undiagnosed until you started staring at a computer. Extended computer use can exaggerate already existing eye conditions and lead to some of the symptoms of CVS.
    Fix it
    by talking to a physician about corrective lenses. The Vision Center of Excellence has excellent resources from the VA and DoD for vision support.

In summary: Protect your eyes from CVS by taking frequent breaks from the computer, by blinking more often, and by making sure you work in an ergonomically efficient office setup. If you want to more information about CVS, check out “A Survival Guide to Computer Workstations.”

Check out Performance Triad’s new materials

Looking for information to help optimize your sleep, activity, and nutrition? Check out the new materials posted by the Army Public Health Command.

Two new performance optimization documents are now available on the U.S. Army Public Health Command website. The Performance Triad Guide contains useful tools and strategies for optimizing your sleep, activity, and nutrition.

The Sleep section includes ten effective sleep habits, strategies for addressing sleep countermeasures (caffeine and supplements, for example), and considerations for a sleep management plan, including relaxation techniques.

Activity has tips for meeting your exercise goals, how to achieve the functional fitness required to succeed on the PRT, as well as information on injury prevention that includes safe running strategies and shoe selection.

Nutrition provides detailed information on nutrition for performance, daily carbohydrate and protein calculators, hydration, nutrient timing for peak performance, and dietary supplements.

The Performance Triad Challenge, designed for squad and unit leaders, provides information organized into six areas: the professional soldier athlete, physical dominance, cognitive dominance, emotional dominance, sustained operations, and social, family, and spiritual information. The beginning of each module features a leader’s guide for identifying target areas for improvement.

National Veterans Summer Sports Clinic

Calling injured veterans to sign up for the National Summer Sports Clinic in San Diego, CA, September 13–18, 2015.

Spring is just around the corner, so it’s time to start thinking about sports and outdoor recreation. In keeping with the Mission ReDefined campaign (a joint effort of the U.S. Department of Veterans Affairs and the U.S. Paralympics), VA encourages eligible veterans (those injured within the last six years) to apply for the 2015 National Veterans Summer Sports Clinic.

The purpose of the Clinic program is “early intervention for Veterans battling back from injury, not only strengthening their bodies but improving overall well-being and self-worth.”

Spend a week in San Diego learning about adaptive sport and recreational activities such as sailing, surfing, track and field events, kayaking, and cycling (hand and tandem). This is a national event open to Veterans from all across the country with combat injuries ranging from TBI and polytrauma to spinal cord injuries and loss of limbs.

The clinic will be held in San Diego, CA, from Sept 13–18. 2015. The deadline to sign up is May 1, 2015; visit the Registration tab at the Clinic link above for details and forms.

Set the fitness example for your kids

Parents can help their children be physically active in a variety of ways. Learn more.

Parents are one of the most important factors in their children’s fitness. You can set the example. Children of active parents are more than twice as likely to be active than those with inactive parents. You also can help your children be active by driving them—or better yet, walking or biking with them—to and from activities, being active with them at home, cheering or supervising their play/activity, and getting the right equipment for their activities. It’s important to expose kids to different activities. Once they find something they like, they’ll stick with it. Above all, make it fun!

Stay injury free with our new strategies!

Filed under: Injuries, Prevention
HPRC continues to expand its valuable strategies for injury prevention.

HPRC previously ran an Injury Prevention series with some general information to help keep you off profile. A new addition to the series is Injury Prevention Strategies, which will include information for the knees (specifically the anterior cruciate ligament or ACL), ankles, shoulders, and back. Check back often for the next in the series, and keep your body functioning at the top of its game!

Safe return to duty after a head injury

Filed under: Concussion, Injuries, TBI
Mild traumatic brain injuries (concussions) are very common in the military. Learn how you and your doctor can get you safely back to duty.

Returning to duty after a mild traumatic brain injury (mTBI; also referred to as acute concussion) requires a special recovery process. Until now, procedures used by military healthcare professionals were largely based on sports-related mTBI practices, which are not always appropriate for returning Warfighters to military activities and demands. Medical and military experts worked together to develop new recommendations for returning service members to military activity after mild traumatic brain injury. The six-step process includes progressing from rest through light to moderate activity and exercise and eventually to unrestricted activity. Patients cannot progress until they are symptom free at any given stage in the process. Almost 84% of military brain injuries in 2014 were from mTBI/concussions. Some of the most common causes of concussions occur in non-deployed setting. While not all mTBI/concussions are preventable, there are things that you can do to reduce your risk in your day-to-day life:

  • Always wear a seat belt when driving or riding in a vehicle.
  • Wear a helmet when suitable (for example, on a bicycle or motorcycle).
  • Create safe living spaces to reduce falls. Remove or secure potentially hazardous items from floors and overhead.
  • Be aware of your surroundings. Try these Mind Tactics Performance Strategies to improve your ability to control your attention.

Those last 10 pounds—the weight-loss plateau

Struggling to lose those last few pounds? Here are some tips to help you get past the plateau and back on track to achieving your goal.

You’re watching what you eat. You’re exercising regularly. You’re doing everything right. But for some reason, your weight-loss goal is just out of reach. It seems those “last 10 pounds” are often the hardest ones to shake! Fortunately, with continued effort and persistence, you likely can achieve your weight-loss goals.

If you haven’t done so already, be sure to speak with your healthcare provider or a registered dietitian to make sure the goals you’ve set for yourself are realistic, healthy, and sustainable. After that, it’s time to get to work.

Go back to square one. That is, make sure you’re as careful about what you choose to eat now as when you first started on your weight-loss journey. Sometimes we lapse into old habits over time and start “allowing” unhealthy choices to creep back into our diet patterns. Keeping a food diary will help you keep track of what you’re really eating. And don’t forget to watch your portion sizes.

Be a weekend warrior. Many people find it harder to make healthy choices on the weekend—tailgate parties, family celebrations, and road trips all offer opportunities to “slip.” But eating healthy is a full-time job, so it’s important to plan ahead: Take a low-fat dish that you’ve prepared and choose restaurants where you know you’ll have healthy options available.

Stand up for yourself. Literally. Standing, rather than sitting, can burn as many as 200 to 300 calories per day and can help prevent many types of disease. Find as many opportunities in your day to stand, walk, and move as much as you can. Check out HPRC’s blog about “sitting disease” for more information about the risks of sitting too much.

Shake things up. Varying the type and intensity of your exercise is a great way to challenge yourself and prevent boredom—and can make a big difference toward achieving your goals.

Whatever you do, don’t give up. Achieving and maintaining a healthy weight is important not only in the short term (for your performance as well as your career) but also in the long term, reducing your risk of many diseases including diabetes, heart disease, and certain types of cancer.

Cultivate your motivation

Filed under: Goals, Motivation
Who doesn’t like having big things happen? But they don’t happen on their own. Learn how motivation helps.

Think of a goal that you’ve been working for lately or that you’re about to go after. How about all those New Year’s resolutions? Do you know why you want it? In other words, what’s your motivation? Do you simply love what you’re doing, or is there a reward you are pursuing?

Being clear about what motivates you can help fuel your motivation with intention. For example, if you’re a runner, maybe you love the feeling of pushing yourself hard with training runs. On the other hand, maybe it’s the end result—the accomplishment—associated with completing another marathon that’s the fuel to keep you going or even push you to the next level.

There isn’t one right form of motivation, and your motivators might be a mix of little steps and big outcomes. Remember to enjoy the steps along the way; they can make the experience more enjoyable. But sometimes remembering your ultimate goal can help you persist on days when you’re just not feeling it.

Often when you’re pursuing a goal, you’re part of a larger community, and you may find that just being involved is motivation itself because of the people you meet, the places you see, or the experiences you have along the way! It’s true what they say: The journey matters.

Merry Fitmas! Keep fit during the holidays

Don’t let the holidays ruin your fitness routine.

It’s officially “holiday season,” and maintaining your fitness can be a challenge. You might find yourself socializing and eating more, with less time (and motivation) to exercise. Get your workout routine into the holiday spirit too—without having to sacrifice a lot of time.

  • Try interval training with this high-intensity workout from the American College of Sports Medicine, which requires little or no equipment.  
  • Make workouts social by getting your friends and family involved.

For more exercise resources and ideas, visit our Physical Fitness and Family Fitness sections. 

Fitmas Challenge [JPG]

Injury prevention: How to avoid “text neck”

Don’t let your phone be a pain in the neck.

Look around you. How many people do you see looking down at their smartphones? Are you reading this article on your phone or tablet? Most people look down at their phones while reading or texting. The problem with this posture it can be a major pain in the neck—literally. Doctors and researchers are calling it “text neck,” and they’re saying that this poor posture while looking at your phone is causing early wear and tear to the spine. The human head weighs about 10 to 12 pounds. Looking straight ahead doesn’t add any strain to your spine, but as you tilt your head forward, the weight of your head begins to increase the strain on your neck and spine. Even a slight, 15-degree angle increases the weight on your spine to 27 pounds. Looking down at 60 degrees? That’s about 60 pounds. Think about carrying a couple of 30-pound ammo cans around your neck for several hours a day.

To limit your risk for text neck, look down at your device with your eyes, not your head. Better yet, hold your device up to eye level. Be aware of your posture and try adding daily exercises that strengthen your back, neck, and shoulders.

RSS Feed for Physical Fitness