Flexor Hallucis Longus

Origin Lower two-thirds of posterior surface of shaft of fibula, posterior intermuscular septum, interosseous membrane Insertion Base of distal phalanx of great toe Actions Flexes distal phalanx of great toe, assists in plantar flexing foot, inverts foot Nerve Tibial...

Abductor Hallucis

Origin Tuberosity of calcaneus, flexor retinaculum, plantar aponeurosis Insertion Medial side of base of proximal phalanx of great toe Actions Stabilizes great toe (with adductor hallucis) Nerve Medial plantar nerve (L4, L5) Note

Extensor Digitorum Brevis – Foot

Origin Anterior and lateral surfaces of calcaneus, lateral talocalcaneal ligament, inferior extensor retinaculum Insertion Into lateral sides of tendons of extensor digitorum longus of second, third, and fourth toes Actions Extends second, third, and fourth toes Nerve...

Extensor Hallucis Brevis

Origin Anterior and lateral surfaces of calcaneus, lateral talocalcaneal ligament, inferior extensor retinaculum next to extensor digitorum brevis tendon Insertion Into base of proximal phalanx of great toe Actions Extends the big toe Nerve Deep peroneal nerve (S1,...

Peroneus Brevis (Fibularis Brevis)

Origin Lower two-thirds of lateral surface of fibula Insertion Lateral side of base of fifth metatarsal bone Actions Everts, plantar flexes foot Nerve Superficial peroneal nerve (L5, S1, S2) Note

Plantaris

Origin Lateral supracondylar ridge of femur, oblique popliteal ligament Insertion Posterior surface of the calcaneus Actions Plantar flexes foot, flexes leg Nerve Tibial nerve (S1, S2) Note This muscle is not always present