الفهرس 
Introduction
Biomechanics of Glenohumeral JointOnly 14 pages are availabe for public view
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Abstract
The shoulder joint is the most commonly dislocated joint in the body, with anterior dislocation occurring for approximately 95% of all shoulder dislocations the prevalence of traumatic anterior shoulder dislocations estimated at 2% over a life time of general population. Avulsion of the capulolabral complex from the glenoid rim and scapular neck (perthBankart lesion), attenuation the capsule and capsular ligaments, impression fractures the posters lateral humeral head (HillSachs lesion) and attenuation of the sub scapularis tender have all been suggested as causes of recurrent instability after an anterior dislocation. Patients with acute anterior shoulder dislocation have been traditionally treated with nonoperative methods including a period of immobilization after reduction followed by a supervised rehabilitation program and delayed return to full activity. The previous poor results made the management of traumatic shoulder dislocation one of the most controversial areas in the field of shoulder instability. The recent immobilization positions and the use of arthroscopy for primary management appears to achieve the solution of acute traumatic anterior shoulder dislocation.