Leg and Foot

Muscle	Origin	Insertion	Action
Tibialis Anterior	lateral condyle of tibia	plantar surface of first metatarsal; medial plantar surface of first cuneiform	dorsiflexion and inversion of foot at ankle
Extensor Digitorum Longus	lateral condyle of tibia, anterior surface of fibula	dorsal surface of m iddle to distal phalanges of 2nd - 5th toes	extends lateral four toes; dorsiflexes and everts foot at ankle
Extensor Hallucis Longus	middle half of anterior of fibula	dorsal surface of big toe	extends big toe; dorsiflexes and inverts foot at ankles
Peroneus Tertius	distal thris of anterior surface of fibula	dorsal surface of 5th metatarsal	dorsiflexes and everts foot at ankle
Peroneus Longus	proximal two thirds of lateral surface of fibula	plantar surface of 1st cuneiform and 1st metatarsal	eversion, plantar flexion of foot at ankle; lateral stability of ankle
Peroneus brevis	lateral, distal two thirds of fibula	lateral side of 5th metatarsal	eversion, plantar flexion of foot at ankle; lateral stability of ankle
Gastrocnemius	--	--	--
lateral head	lateral condyle, ;posterior of femur	posterior surface of calcaneus	planter flexion and inversion of foot
medial head	medial condyle of femur	--	--
Soleus	posterior, upper part of tibia nad fibula but bewlow condyles	calcaneus	plantar flexion and inversiosn of foot
Plantaris	lateral condyle of femur	posterior part of calcaneus	plantar flexion and inversion of foot at ankle; flexes leg at knee
Flexor Digitorum Longus	posterior surface of tibia	plantar surface of distal part of 2nd-5th toes	flexes 2nd-5th toes; plantar flexes and inverts foot
Flexor Hallucis Longus	posterior surface of fibula	plantar surface of big toe	flexes big toes; plantar flexion and inversion of ankle; medial ankle stabilization
Tibialis Posterior	lateral, posterior part of tibia; medial, posterior part of fibula	plantar surface of all 3 cuneiforms and cuboid; base of 2nd-4th metatarsals	inverts and plantar flexes ankle; medial ankle stabilizer