Flexor Hallucis Longus (FHL) - Anatomy

Origin	Inferior 2/3 of posterior surface of fibula, lower part of interosseous membrane
Insertion	Plantar surface of base of distal phalanx of great toe
Action	Flexes great toe, helps to supinate ankle, and is a very weak plantar flexor of ankle
Innervation	Tibial nerve (S2, S3) (S2, S3)
Arterial Supply	Muscular branch of peroneal and posterior tibial artery