Extensor digitorum brevis muscle
| Extensor digitorum brevis muscle | |
|---|---|
The mucous sheaths of the tendons around the ankle. Lateral aspect. (Extensor dig. brevis labeled at upper right.) | |
Animation | |
| Details | |
| Origin | Dorsal surface of calcaneus |
| Insertion | Proximal dorsal region of middle phalanges 2, 3 and 4 |
| Artery | Dorsalis pedis artery |
| Nerve | Deep fibular nerve |
| Actions | Extends digits 2 through 4 |
| Antagonist | Flexor digitorum longus, flexor digitorum brevis |
| Identifiers | |
| Latin | musculus extensor digitorum brevis |
| TA98 | A04.7.02.055 |
| TA2 | 2671 |
| FMA | 51140 |
| Anatomical terms of muscle | |
The extensor digitorum brevis muscle (sometimes EDB) is a muscle on the upper surface of the foot that helps extend digits 2 through 4.