Anatomy
·Upper Limb
Axillary Nerve
⭐ PREMIUM
The axillary nerve (C5,6) is a terminal branch of the POSTERIOR cord. It is the nerve at greatest risk in shoulder dislocation and surgical-neck fractures.
COURSE
• Arises from the posterior cord, passes through the QUADRANGULAR space (with the posterior circumflex humeral artery), winds round the surgical neck of the humerus.
SUPPLIES
• Motor: DELTOID + teres minor.
• Sensory: skin over the l…
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