without them." Hereare the key core muscles you need to run. Here's how your core works for you on the road...1. SpeedAs you extend your stride or quicken the rate of your leg and foot turnover when you're trying to pick up the pace, the lower abs
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 |