![]() Many ways to strengthen muscles are available. ![]() Avoid the thumbs-down position with the arm in greater than 90° of abduction and internal rotation to minimize subacromial impingement. Position the arm at 45° and 90° of abduction for exercises to prevent the wringing out phenomenon, in which hyperadduction can be caused, stressing the tenuous blood supply to the tendon of the exercising muscle. Then, turn attention toward strengthening the rotator cuff muscles. Shoulder shrugs, rowing, and push-ups isolate these muscles and help return smooth motion, allowing normal rhythm between the scapula and GH joint. ![]() The scapular stabilizers include the rhomboids, levator scapulae, trapezius, and serratus anterior. Perform strengthening in a pain-free range only.
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