Info

Muscle

Origin

Insertion

Action

Nerve Supply

Tibialis anterior

Lateral condyle and lateral surface of tibia

Tarsal bone (cuneiform) and first metatarsal

Dorsiflexion and inversion of foot

Deep peroneal n.

Peroneus tertius

Anterior surface of fibula

Dorsal surface of fifth metatarsal

Dorsiflexion and eversion of foot

Deep peroneal n.

Extensor digitorum longus

Lateral condyle of tibia and anterior surface of fibula

Dorsal surfaces of second and third phalanges of four lateral toes

Dorsiflexion and eversion of foot and extension of toes

Deep peroneal n.

Gastrocnemius

Lateral and medial condyles of femur

Posterior surface of calcaneus

Plantar flexion of foot and flexion of leg at knee

Tibial n.

Soleus

Head and shaft of fibula and posterior surface of tibia

Posterior surface of calcaneus

Plantar flexion of foot

Tibial n.

Flexor digitorum longus

Posterior surface of tibia

Distal phalanges of four lateral toes

Plantar flexion and inversion of foot and flexion of four lateral toes

Tibial n.

Tibialis posterior

Lateral condyle and posterior surface of tibia and posterior surface of fibula

Tarsal and metatarsal bones

Plantar flexion and inversion of foot

Tibial n.

Peroneus longus

Lateral condyle of tibia and head and shaft of fibula

Tarsal and metatarsal bones

Plantar flexion and eversion of foot; also supports arch

Superficial peroneal n.

Essentials of Human Physiology

Essentials of Human Physiology

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