| 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 |
|
|
|
|