Foot And Hand Flashcards
Opponens pollicis
O: tubercle of trapezium and flexor retinaculum of hand
I: anterolateral aspect of body of 1st metacarpal
A: thumb opposition towards other fingers
Abductor digiti minimi
O: pisiform and tendon of flexor carpi ulnaris
I: medial aspect of base of proximal phalanx of little finger
A: pinky abduction
Palmar interossei muscles (1-3) (hand)
O: palmar aspect of metacarpal bone
I: base of proximal phalanx and extensor expansion of finger
A: adduct finger, simultaneously flex and extend finger
Dorsal interossei muscle (1-4) (hand)
O: medial aspect of body of a metacarpal and lateral aspect of body of neighbouring metacarpal
I: base of proximal phalanx and extensor expansion of a finger
A: finger abduction, simultaneously flex and extend