FLEXOR HALLUCIS LONGUS

ORIGIN
Lower two thirds of posterior fibula between median crest and posterior border, lower intermuscular septum and aponeurosis of flexor digitorum longus
INSERTION
Base of distal phalanx of big toe and slips to medial two tendons of flexor digitorum longus
ACTION
Flexes distal phalanx of big toe, flexes foot at ankle, supports medial longitudinal arch
NERVE
Tibial nerve (S2, 3)