This basic quad stretch can be done anytime, anywhere: Stand on one leg with your knees touching. If you need to, grab hold of a chair or wall for support. Grab your left foot with your left hand and pull toward your butt. Do your best to keep your
Proper running form means running better with fewer injuries. Thanks to our expert's break down of the three simple components of better form, you don't have to master biomechanics to understand how to do it.