Press through feet to straighten legs and jump up off the floor while swinging ... No problem. Just clasp hands in front of chest. Why it rocks: To keep your chest upright and spine long as ...

Methods Standard marker-based motion capture and electromyography (EMG) were collected from 26 male athletes cleared to RTS after ACLR and 22 control healthy subjects during single leg vertical jumps ...

"I wish I had a cool story on how I did it, but I got on some soft mats and was jump roping. I was alternating each leg. I've been jump roping for 20-something minutes and got a little tired ...