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
Visit the official Runner's World page
Follow Runner's World on Twitter
Other Natmag-Rodale Sites
Run For Charity
About Runner's World
Runner's World is a publication of Hearst Magazines UK which is the trading name of The National Magazine Company Ltd, 72 Broadwick Street, London, W1F 9EP. Registered in England 112955. All rights reserved.
Website powered by: Immediate Media Company Limited. | © Runner's World 2002-2013 |