If you have weakness in your hand or wrist, and your hand or wrist becomes easily fatigued after a certain amount of time at the computer, then you may be experiencing early signs of RSI — Repetitive Strain Injury. RSI is the underlying problem behind carpal tunnel syndrome.
Our bodies were designed for physical activity -- not to be sedentary all the time. It's important to fit aerobic exercise into your life if you want to enjoy the longterm effects of having a healthy heart. Here, real people are sharing their favorite exercises, and fun ways to stay fit if -- even you absolutely hate exercising! See how some activities that you probably don't think of as exercise can have a positive effect on your fitness level.