The Levator scapula (LS) is a muscle whose primary job is to lift the shoulder blade. It also helps to downwardly rotate the scapula (shoulder blade). Downward rotation happens when the arm is lowered after being lifted. This muscle is often the culprit of shoulder and neck pain along with headaches. Get to know this muscle and its relationship to overhead arm actions, scapulohumeral rhythm, and the rotator cuff.
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