Test 2 Intrinsic Muscles Hand Flashcards
Opponents policies prox attach
flexor retinaculum and tubercles of scaphoid and trapeium
opponens pollicis dist attach.
1st metacarpal - lateral side
opponens pollicis innervation
recurrent branch of median nerve C8 T1
opponens pollicis action
-to oppose thumb, draws first metacarpal medially to center of palm and rotates it medially
flexor pollicis brevis prox attachment
flexor retinaculum and tubles of scaphiod and trapezium
what muscles share prox attachment of the flexor retinaculum and tubercles of scaphoid and trapezium
opponens pollicis, abductor pollicis brevis, flexor pollicis brevis
abductor pollicis brevis prox attachment
flexor retinaculum and tubercles of scaphoid and trapezium
what muscles share innervation of recurrent branch of median nerve (c8, t1)
opponens pollicis, abductor pollicis brevis, flexor pollicis brevis
abductor pollicis brevis AND flexor pollicis brevis dist attachment sites (share)
thumb - base of proximal phalanx on lateral side
adductor pollicis innervation
deep branch ulnar nerve (c8, t1)
adductor pollicis prox attach
bases of 2nd and 3rd metacarpals, capitate, adjacent carpals (oblique head - ant surface of shaft of 3rd metacarpal)
adductor pollicis distal attach
thumb - base of proximal phalanx on medial side
flexor digiti minimi brevis AND opponens digiti minimi prox attach.
hook of hamate and flexor retinaculum
abductor digiti minimi and flexor digiti minimi brevis share the same distal attachmment. what is it -
base proximal phalanx of fifth finger - medial side
distal attach of oppenens digiti minimi
medial border of fifth metacarpal