Muscles That Act on the Foot and Digits
Tibialis anterior
Action: Dorsiflexes and inverts foot.
Tibialis posterior
Action: Plantar flexes and inverts foot.
Flexor digitorum longus
Action: Plantar flexes and inverts foot; flexes toes.
Peroneus longus & Peroneus brevis
Action: Plantar flexion and eversion of foot.
Flexor hallucis longus
Action: Plantat flexes and inverts foot; flexes great toe.
Extensor Digitorum Longus
Dorsiflexes and everts foot and also extends toes.
Extensor Hallucis Longus
Dorsiflexes and inverts foot and also extends great toe.
Soleus
Origin: Head of fibula and medial border of tibia Insertion: Calcaneus Action: Plantar flexes foot
Gastrocnemius
Origin: Posterior surfaces of lateral and medial condyles of femur Insertion: Calcaneus Action: Plantar flexes foot and flexes lower leg