This section is adapted from the Runner's World Complete Book of Women's Running by Dagny Scott. Buy this book!What children learn from watching their parents is crucial. ItÂ’s estimated that up to 50% of children participate in virtually no physical
an objective gauge of your exertion that is often more exact than your own perceptions. "While it's important to be aware of your effort so you're in touch with your body's subtle clues, your personal feeling isn't always a very accurate feedback system," says
