Origin
Upper two-thirds of anterior surface of fibula, interosseous membrane, lateral condyle of tibia.
Insertion
Along dorsal surface of proximal phalanges of four lateral toes, and then to bases of middle and distal phalanges.
Actions
Extends toes, dorsiflexes foot, everts foot.
Nerve
Deep peroneal nerve (L4, L5, S1).
Note
For some authors the lower lateral part of this muscle makes a separate insertion onto the dorsal surface of the fifth metatarsal and is called Peroneus Tertius.
