The axillary nerve

The axillary (circumflex) nerve (C5, 6) arises from the posterior cord of the

Axillary Nerve

Fig. 140 The segmental cutaneous innervation of the body.

plexus and winds round the surgical neck of the humerus in company with the posterior circumflex humeral vessels (Figs 122, 141). Its branches are:

• muscular—to deltoid and teres minor;

• cutaneous—to a palm-sized area of skin over the deltoid.

The axillary nerve may be injured in fractures of the humeral neck or in dislocations of the shoulder. This will be followed by weakness of shoulder abduction, wasting of the deltoid and a small patch of anaesthesia over this muscle.

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Responses

  • phillipp hueber
    What are the clinical features of axillary nerve?
    8 years ago
  • BINIAM
    What are the clinical features of damage to the axillary nerve?
    8 years ago
  • gerry
    Where is the axillary nerve in the body?
    8 years ago

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