Axillary nerve damage is a common complication of the anterior shoulder dislocation. It is because of the close proximity of the axillary nerve to the shoulder joint. It can be confirmed by looking for the following signs.
1. Wasting of the shoulder – To detect this, compare the affected shoulder with the normal one. Does the affected shoulder look thin and fat? Then it is due to wasting of the deltoid muscle, which is supplied by the axillary nerve.
2. Loss of sensation over the regimental badge area- Regimental badge area is located in the lateral part of the upper aspect of the arm. This area is supplied by the axillary nerve and therefore, absence of sensation over that area indicates damage to the axillary nerve.
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