Use handle attachment on cable machine and position pulley up high. Standing facing away from the machine, grasping the handle with one hand and starting with your arm down by your side. With appropriate weight, release your arm upwards and come to a quick stop before discomfort. Then do a quick pull back down.
Warning: Only due this exercise under the guidance or supervision of a trained therapist.
Be sure to warm up the shoulder prior to this movement, to reduce risk of injury.
