<prompt> Compression of a nerve within the carpal tunnel produces inability to -Abduct the thumbAdduct the thumbFlex the distal phalanx of the thumbOppose the thumb  <response>: 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 