deep muscles of posterior forearm Flashcards
supinator origin
lateral epicondyle of humerus, proximal ulna
supinator insertion
proximal end of radius
supinator action
supinates forearm
supinator nerve supply
radial nerve
abductor pollicis longus origin
posterior radius and ulna, interosseous membrain
abductor pollicis longus insertion
first metecarpal
abductor pollicis longus action
ABducts thumb
abductor pollicis longus nerve supply
radial nerve
extensor pollicis brevis origin
posterior radius + ulna, interosseous membrane
extensor pollicis brevis insertion
proximal phalanx of thumb
extensor pollicis brevis action
extends thumb
extensor pollicis brevis nerve supply
radial nerve
extensor pollicis longus origin
posterior radius + ulna, interossious membraine
extensor pollicis longis insertion
distal phalanx of thumb
extensor pollicis longus action
extends thumb