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| Flexor digitorum brevis muscle | |
|---|---|
 Muscles of the sole of the foot. First layer. (Flexor digitorum brevis visible at center.) | |
 The plantar arteries. Superficial view. (Flexor digitorum brevis visible at center.) | |
| Details | |
| Origin | Calcaneus |
| Insertion | Middle phalanges of toe 2-5 |
| Artery | Medial and lateral plantar arteries and plantar arch, plantar metatarsal and plantar digital arteries |
| Nerve | Medial plantar nerve |
| Actions | Flexion of the lateral four digits |
| Antagonist | Extensor digitorum longus and extensor digitorum brevis |
| Identifiers | |
| Latin | musculus flexor digitorum brevis |
| TA98 | A04.7.02.067 |
| TA2 | 2683 |
| FMA | 37450 |
| Anatomical terms of muscle | |
The flexor digitorum brevis or flexor digitorum communis brevis[1] is a muscle which lies in the middle of the sole of the foot, immediately above the central part of the plantar aponeurosis, with which it is firmly united.
Its deep surface is separated from the lateral plantar vessels and nerves by a thin layer of fascia.