Pose Running Drills: Lean and Pull

The human body is no different than a wheel and must function by the same laws of physics, says Brian MacKenzie of CrossFit Endurance. To get the body trained in this manner, MacKenzie runs a group of athletes through a series of drills at CrossFit HQ in Scotts Valley, Calif. The first uses sets of hops and then leaning hops to help the athletes understand gravity s role in running. Another drill involves leaning forward and focusing on quickly pulling the heel underneath the hip after the trailing leg l