PERONEUS LONGUS

• Origin

Fibula, lateral condyle of tibia

• Insertion

First metatarsal, medial cuneiform

• Agonist(s)

- Peroneus brevis

- Peroneus tertius

• Antagonist(s)

- Tibialis posterior

- Flexor digitorum longus

• Function

Eversion of the foot (turning sole of foot outward), plantarflexion of the foot