deep third layer of the anterior forearm Flashcards
flexor digitorum profundus insertion
bases of distal phalanges of 2nd, 3rd, 4th, and 5th digits
flexor digitorum profundus origin
proximal three quarters of medial and anterior surfaces of ulna and interoseous membrane
flexor digitorum profundus innervation
lateral part (to digits 2 and 3) median nerve anterior interosseous branch medial part o digits 4 and 5 ulnar nerve
flexor digitorum profundus actions
flexes wrist joint
flexes distal interpharangeal joints of 2,3,4, and 5
assists with wrist flexion
flexor pollicis longus origin
anterior surface of radius and adjacent interosseous membrane
flexor pollicis longus insertion
base of phalanx of thumb
flexor pollicis longus innervation
anterior interosseous nerve from median nerve
flexor pollicis longus action
flexes wrist
flexes metacarpopharangeal and interphalangeal joints of thumb
pronator quadratus origin
distal quarter of anterior surface of ulna
pronator quadratus insertion
distal quarter of anterior surface of radius
pronator quadratus innervation
anterior interosseous nerve from median nerve
pronator quadratus action
pronates forearm; deep fibers bind radius and ulna together