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,...

Hans Selye

Hans Selye (1907-1982) was a Hungarian-Canadian endocrinologist who wrote over 1700 research papers and seven books, mostly detailing biological stress. Selye is most famous for the theory of the General  Adaptation Syndrome (GAS) which shows that an organism...

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