Cross Training for Runners
Core Moves to Prevent Pesky Injuries
Teaches you to engage your core and move your legs when tired.
To do: From the top of a push-up position, pull your navel up and in and lift one leg, foot flexed. Point the toes of the top leg, flex the opposite ankle, and return the top leg to start. (Your arms stay straight but may move.) Alternate legs. Do five lifts per leg.
This Move Works: