Flexor Hallucis Longus

Region: Leg & Foot Muscles · All leg & foot muscles

Flexor Hallucis Longus at a glance

OriginBack surface of the lower two-thirds of the fibula
InsertionBase of the distal phalanx of the great toe
ActionsBends the great toe — the final push-off in walking and running; Helps point the foot downward
Nerve supplyTibial nerve (S2–S3)

◆ Good to know

The 'dancer's tendon': overuse where it grooves the back of the ankle causes posterior ankle pain in ballet dancers and footballers.

Please note: This page is an anatomy education summary for students and curious readers, not medical advice. Attachment points are given in their classic short form; individual anatomy varies, and detailed dissection-level descriptions belong in an anatomy atlas.