Injuries To The Shoulder Complex And Humerus

Dennis T. Uehara

John P. Rudzinski




Rotator„Cuff „Injuries Acromioclavicular „.JointInjuries Anatomy

Mechanism of Injury

Clin.icalFeatures Classification, „ of , „Injury


Dislocation of the Glenohumeral Joint

Anterior, „Glenohumeral, Dislocations

Posterior GlenohumeraLDislocations

Inferior, Dislocations., IL,u,x,at,io„„,Er,ec,t,a)

Humerus Fractures ProximaLHumerus



Function of the upper extremity is intimately dependent on the shoulder complex. Movement is effected through an intricate mechanism with integration of muscles, ligaments, osseous components, and a system of joints all working in harmony. Through its joint system, which consists of four joints, the sternoclavicular, glenohumeral, acromioclavicular, and scapulothoracic, the upper extremity is able to move through a complex and wide range of motion. The following discussion focuses on the major soft tissue and osseous components of the shoulder complex and humerus and those injuries that create loss of motion, instability, and pain.

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