Summary
| Location: | In the forearm, running from the humerus to the thumb, extending the thumb. |
Information
| Group: | Wrist and Hand |
| Subgroup: | Extensor Pollicis |
| Side(s) of body: | Back |
| Function/Action: | Thumb Extensor |
Details
| Joint: | Carpometacarpal |
| Bone: | Ulna, Carpals |
| Origin: | Posterior surface of radius and interosseous membrane. |
| Insertion: | Base of distal phalanx of thumb. |