Most common nerve injured in anterior shoulder dislocation: March 2011, March 2013 (c, e)
Ans. B: Circumflex branch of axillary nerve Nerve commonly injured in anterior dislocation is Axillary nerve, manifesting as deltoid parlysis, with a small area of anaesthesia over the lateral aspect of the shoulder Terms and related nerves: Injury to upper end of humerus: Axillary nerve palsy Anterior dislocation of shoulder: Axillary nerve palsy Crutch palsy: Radial nerve involvement Pointing index: Median nerve palsy Ape thumb deformity: Median nerve palsy Carpal tunnel syndrome: Median nerve involvement Card test: Ulnar nerve palsy Meralgia paresthetica: Lateral cutaneous nerve of thigh compression Winging of scapula: Long thoracic nerve of Bell palsy Supracondylar humerus fracture: Median nerve (anterior interosseous nerve)
Median nerve
Circumflex branch of axillary nerve
Musculocutaneous nerve
Ulnar nerve