axillary nerve

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A nerve that runs close to the shoulder. It supplies the deltoid and teres minor muscles. After a glenohumeral injury to the rotator cuff or glenoid labrum, the shoulder may become unstable and the axillary nerve can become trapped as it crosses anteriorly across the humeral head to the deltoid muscle; this is a common cause of entrapment neuropathy among racket players.

Subjects: Sports and Exercise Medicine.

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