Posterior Glenohumeral Instability: Diagnosis and Management

Posterior glenohumeral instability can manifest as posterior shoulder pain and dysfunction, particularly among athletes. Repetitive, posteriorly-directed axial loads, as commonly encountered by contact athletes (American football linemen, rugby players), result in microtrauma that can induce posteroinferior labral tears. Alternatively, SLAP tears commonly seen in throwing athletes may propagate…

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