Origin
Lower two-thirds of posterior surface of shaft of fibula, posterior intermuscular septum, interosseous membrane
Insertion
Base of distal phalanx of great toe
Actions
Flexes distal phalanx of great toe, assists in plantar flexing foot, inverts foot
Nerve
Tibial nerve (L5, S1, S2)
Note
This muscle is important in pushing off the surface in walking, running, jumping.
