- Lateral Compartment
- origin: distal 1/3 of the anterior surface of the fibula and adjacent intermuscular septum;
- insertion: dorsal surface of the base of the 5th metatarsal;
- action: dorsiflexes and everts the foot at the ankle;
- nerve supply: peroneal, L4, L5, S1 (see innervation)
- synergist: extensor digitorum longus
Morphology of the peroneus tertius muscle.
Original Text by Clifford R. Wheeless, III, MD.
Last updated by Data Trace Staff on Tuesday, April 10, 2012 4:41 pm