Orthopaedic Sports Medicine

Answer 4 Axillary nerve. Anterior shoulder dislocations are often associated with injuries of the axillary nerve owing to its intimate association with the shoulder complex. This patient may have experienced further injury to the nerve as a result of an improper on-field reduction. Axillary nerve compression typically presents with wasting and weakness of the deltoid muscle (its site of motor innervation) and loss of sensation over the lateral upper arm (“regimental badge area”).5 REFERENCES 2. Mendoza FX, Main WK. Peripheral nerve injuries of the shoulder in the athlete [published erratum appears in Clin Sports Med 1990;9:ix. Main WK]. Clin Sports Med 1990;9:331-42. Click here to return to the questions

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