Anatomy, Shoulder and Upper Limb, Glenohumeral Joint

Lou-Ren Chang, Prashanth Anand, Matthew Varacallo, Lou-Ren Chang, Prashanth Anand, Matthew Varacallo

Excerpt

The glenohumeral joint is structurally a ball-and-socket joint and functionally is considered a diarthrodial, multiaxial, joint. The glenohumeral articulation involves the humeral head with the glenoid cavity of the scapula, and it represents the major articulation of the shoulder girdle. The latter also includes minor articulations of the sternoclavicular (SC), acromioclavicular (AC), and scapulothoracic joints. The glenohumeral joint ranks as the most mobile joint of the human body. The static and dynamic stabilizing structures allow for extreme degrees of motion in multiple planes of the body that predisposes the joint to instability events.

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Source: PubMed

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