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