Flexor Hallucis Longus:Origin, Insertion, Action & Nerve Supply

The flexor hallucis longus is the deep muscle of the posterior compartment of the leg muscles is found on the lateral side of the leg, that connect to the plantar surface of the distal phalanx of the great toe.

flexor hallucis longus

 

Origin: The flexor hallucis longus originates from lower two-thirds of the posterior fibula.
Insertion: Inserts into the plantar surface of the base of distal phalanx of the great toe.
Function: Flexes great toe, helps to supinate ankle, and Aids in plantarflexion at the ankle joint.
Nerve Supply: Tibial nerve (S2, S3)

Muscles of the Lower Limb