Muscles of the foot

See details at wikipedia.

Muscles in the lower leg that act on the foot

muscle origin insertion action
extensor digitorum longus proximolateral fibula phalanges of digits II-V extend tarsal digits II-V, dorsiflex foot
extensor hallucis longus anterior fibula distal phalanx of digit I extend big toe
fibularis brevis distal fibula metatarsal V plantarflex, evert foot
fibularis longus lateral fibula cuneiform II, metatarsal I plantarflex foot, evert foot; maintain arch of foot
fibularis tertius distal anterior fibula metatarsal V dorsiflex, evert
flexor digitorum longus middle posterior tibia distal phalanges of digits II-V flex digits II-V
flexor hallucis longus middle posterior fibula distal phalanx of digit I flex big toe
gastrocnemius both condyles of femur posterior calcaneus plantarflex foot, flex knee
plantaris lateral condyle of femur calcaneus plantarflex foot
popliteus lateral epicondyle of femur posterior, proximal tibia flex, medially rotate knee
soleus posterior fibula & tibia calcaneus plantarflex foot
tibialis anterior proximolateral tibia metatarsal I, cuneiform II dorsiflex ankle; invert foot
tibialis posterior proximal posterior tibia, fibula navicular, cuneiform, metatarsals II-IV plantarflex, invert foot

Muscles within the foot

muscle origin insertion action
abductor digiti minimi calcaneus proximal phalanx of digit V abduct digit V
abductor hallucis calcaneus proximal phalanx of digit I abduct big toe
adductor hallucis     adduct big toe
dorsal interossei     abduct toes
extensor digitorum brevis calcaneus toes extend toes 2-4
extensor hallucis brevis calcaneus big toe extend big toe
flexor digiti minimi brevis metatarsal V little toe flex, adduct little toe
flexor digitorum brevis calcaneus etc. digits 2-5 flex toes 2-5
flexor hallucis brevis     flex big toe
lumbricals tendon flexor digitorum longus extensor expansion of toes 2-5 extension
plantar interossei metatarsals proximal phalanges adduct toes
quadratus plantae calcaneus tendons of flexor digitorum longus flexion

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