Forearm
and hand |
|
|
|
|
Muscle |
Origin |
Insertion |
Action |
Notes |
Extensor
digitorum |
Common
extensor tendon from lateral epicondyle of humerus |
Dorsal
surface of middle and distal phalanges 2-5
( four fingers) |
Extends
four fingers, assists in extension of the wrist |
|
Pronator
quadratus |
|
|
|
|
Palmaris
longus |
|
|
|
|
Flexor
digitorum superficialis |
|
|
|
|
Flexor
carpi radialis |
|
|
|
|
Flexor
carpi ulnaris |
|
|
|
|
Extensor
carpi radialis longus |
|
|
|
|
Extensor
carpi radialis brevis |
|
|
|
|
Extensor
carpi ulnaris |
|
|
|
|
Flexor
digitorum profundus |
|
|
|
|
Flexor
pollicus longus |
|
|
|
|
Supinator |
|
|
|
|
Extensor
pollicus longus and brevis |
|
|
|
|
Opponens
pollicis |
|
|
|
|