Nerve involved most commonly in fracture neck of humerus is
The axillary nerve ( C5,C6) passes close to surgical neck of humerus. -Supplies teres minor. Dislocation of shoulder or fracture of surgical neck of humerus can damage axillary nerve. Effects of damage- deltoid is paralyzed loss of power of abduction up to 90deg at shoulder, sensory loss over lower half of deltoid.
Musculocutaneous
Median nerve
Ulnar nerve
Axillary nerve
Nerve supply, Nerve Lesions