Catherine Deng

8 Flips | 3 Magazines | 3 Following | @cjd123 | Keep up with Catherine Deng on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Catherine Deng”

How to Get Abs Quick

Forget crunches. If you want to get faster, fitter, and stronger, you need to train your core like a runner.<p>A generation ago, you’d be hard-pressed to find elite runners paying attention to their abs. Today, it’s practically mandatory. “Our coaches drill the importance of core conditioning into our …

Workouts

Runner's World

Marathons