Fibularis brevis
Peroneus brevis · Lower legs
Deep muscle — it lies under other muscles. X-ray makes the muscles over it see-through.
- Origin
- Lower two-thirds of the lateral surface of the fibula
- Insertion
- Tuberosity of the fifth metatarsal
- Action
- Everts the foot and assists plantarflexion
- Nerve supply
- Superficial fibular nerve (L5–S1)
The shorter fibularis muscle, lying under the longus. Its tendon runs behind the outer ankle to the bony bump on the outside of the foot.
Fibularis brevis anatomy page →