Median nerve lesion at the wrist causes all of the following except -
Supply of median nerve in hand * motor- flexor pollicis brevis, opponens pollicis , abductor pollicis brevis , first & second lumbricals Sensory - palmar skin over the lateral three & a half digits with their nail bed. Adductor pollicis muscle - supply deep branch of ulnar nerve , this muscle adducts the thumb. *it can tested by using Froment sign or book test In addition to it ulnar nerve supply in hand. * motor - abductor digiti minimi , flexor digiti minimize , opponens digiti minimi , adductor pollicis , all interossei & medial 2 lumbricals. REF:Essential ohopedics, Maheshwari, 9th edition ,pg.no. 68
Peripheral nerve injuries
Thenar atrophy
Weakness of Adductor pollicis
Weakness of 1st and 2nd lumbricals
Weakness of Flexor pollicis Brevis
Weakness of Adductor pollicis