Unit 2 - Upper Limb: Anterior Compartment of Forearm, Deep Muscles (Ex. II) Flashcards
1
Q
flexor pollicis longus
A
O: radius (mid-A surface); adjacent interosseous membrane
I: distal phalanx of thumb (palmar surface)
Inn: median N (C8, T1)
A: wrist - flexion and abduction (radial deviation) of hand; carpometacarpal of thumb - flexion; MCP and IP joints of thumb - flexion
2
Q
pronator quadratus
A
O: distal quarter of ulna (A surface)
I: distal quarter of radius (A surface)
Inn: median N (C8, T1)
A: hand - pronation; stabilization of distal RU joint
3
Q
flexor digitorum profundus
A
O: ulna (proximal 2/3 of flexor surface); interosseous membrane
I: distal phalanges of digits 2-5 (palmar surface)
Inn: median N (C8, T1); ulnar N (C8, T1)
A: flexion @ wrist, MCP, PIP, and DIP joints of digits 2-5
