Flexor Hallucis Brevis

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

Flexor Hallucis Brevis at a glance

OriginCuboid and lateral cuneiform (underside of the foot)
InsertionBoth sides of the base of the proximal phalanx of the great toe
ActionsBends the great toe at its base joint (MTP joint)
Nerve supplyMedial plantar nerve (S1–S2)

◆ Good to know

Its two heads each carry a sesamoid bone under the first metatarsal head — the small bones that bear weight at the ball of the foot.

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.