| Flexor digitorum longus muscle | |
|---|---|
 | |
 View from below | |
| Details | |
| Origin | Posterior surface of the body of the tibia |
| Insertion | Plantar surface; base of the distal phalanges of the four lesser toes |
| Artery | Posterior tibial artery |
| Nerve | Tibial nerve |
| Actions | Flexion of the four smaller digits |
| Antagonist | Extensor digitorum longus, extensor digitorum brevis |
| Identifiers | |
| Latin | musculus flexor digitorum longus |
| TA98 | A04.7.02.052 |
| TA2 | 2667 |
| FMA | 51071 |
| Anatomical terms of muscle | |
The flexor digitorum longus muscle or flexor digitorum communis longus[1] is situated on the tibial side of the leg. At its origin it is thin and pointed, but it gradually increases in size as it descends. It serves to flex the second, third, fourth, and fifth toes.