摘要: The rotator cuff is the primary dynamic stabiliser of glenohumeral joint and placed under significant stress during overhead contact sports. Mechanisms injury include repetitive microtrauma, usually seen in athlete involved overhand sports, macrotrauma associated with Rotator dysfunction may be classified based on aetiology as impingement, tensile overload, secondary impingement overload resulting from instability. A thorough history physical examination are paramount evaluation, classification treatment planning pathology. Imaging studies a helpful adjunct to physical.