Glenohumeral joint (GHJ) dislocation is a relatively common injury. Anterior GHJ dislocations are divided into subcoracoid, subglenoid, subclavicular, and intrathoracic subtypes. The aim of this article is to review current GHJ dislocation classification and briefly discuss management of each type. Discrepancies and inaccuracies exist in regard to GHJ dislocation classification. We suggest adding a new subtype, "paraglenoid," to improve the current GHJ dislocation classification system. The paraglenoid subtype describes a portion of the subcoracoid anterior GHJ dislocation. GHJ dislocation is most often caused by force applied to the arm during a fall but also can be due to direct impact to the shoulder. Physical examination often reveals classic deformities, and thorough neurovascular examination is crucial. Radiographs should be used to confirm the diagnosis and assess for associated bony injuries. Numerous reduction techniques are described in the literature, with chosen method dependent on patient factors, provider experience, and GHJ dislocation type.
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