Compression of a nerve within the carpal tunnel produces inability to –
Correct Answer: Oppose the thumb
Description: 9 tendon & 1 nerve pass through carpal tunnel . They are tendons of flexor digitorum superficialis & profundus in a common sheath , tendon of flexor pollicis longus in an independent sheath & the median nerve Median nerve - motor branches in hand are * flexor pollicis brevis : flexes metacarpophalangeal joint of thumb * opponens pollicis : opposes thumb towards the fingers *abductor pollicis brevis : abduction of thumb *first & second lumbricals : fex metacarpophalangeal joints , extend interphalangeal joints Sensory- palmar skin over the lateral three & half digits with their nail beds REF:textbook of ohopedics, John Ebenezer, 4th edition ,pg.no.391
Category:
Orthopaedics
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