Sentences with phrase «retracts arms or a leg»

This is called the conservation of angular momentum, and is often illustrated with the analogy of a twirling figure skater whose rate of spin changes when he or she extends or retracts arms or a leg.

Not exact matches

- Attach a rope to a pulley station set at about chest level - Grab both ends of the rope with an overhand grip - With arms completely outstretched, step back and bend the knees slightly or even better, kneel on one leg - Retract the scapula, squeeze the rotator cuff muscles and pull the weight towards your face - Externally rotate your hands so the knuckles are facing the ceiling - Hold for one second, then slowly return to the original position