Journal Article Acromioclavicular joint separations Adolescent Adult Anterior shoulder instability Arthroscopic examination Bankart repair Central-track lesion External rotation compensator First time Glenoid track Hill-Sachs lesion Massive irreparable rotator cuff tear Muscle volume study Off-track lesion Peripheral-track lesion Posterior deltoid Recurrence Review Rockwood classification Rotator cuff tear Shoulder dislocation Shoulder instability Superior capsular reconstruction Teres minor asymptomatic conservative treatment erosion glenoid bone loss indications for surgery