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Ankle & Foot Joints

Muscles of the Ankle & Foot (Origins, Insertions, Actions, & Innervations)

QuestionAnswer
Origin of Gastrocnemius Posterior surfaces of two condyles of femur
Insertion of Gastrocnemius Posterior surface of the calcaneus (Achilles tendon)
Action of Gastrocenemius Plantar flexion of the ankle
Innervation of Gastrocnemius Tibial nerve
Origin of Soleus Posterior surface of the proximal fibula and proximal 2/3 of the posterior tibial surface
Insertion of Soleus Posterior surface of the calcaneus
Action of Soleus Plantar flexion of the ankle
Innervation of Soleus Tibial nerve
Origin of Tibialis posterior Posterior surface of the upper half of the interosseus membrane and the adjacent surfaces of the tibia and fibula
Insertion of Tibialis posterior Inferior surfaces of the navicular, cuneiform, and cuboid bones and bases of the 2nd, 3rd, and 4th metatarsal bones
Action of Tibialis posterior Inversion of the foot
Innervation of Tibialis posterior Tibial nerve
Origin of Flexor Digitorum Longus Middle 1/3 of the posterior surface of the tibia
Insertion of Flexor Digitorum Longus Base of the distal phalanx of each of the four lesser toes
Action of Flexor Digitorum Longus Flexion of the four lesser toes
Innervation of Flexor Digitorum Longus Tibial nerve
Origin of Flexor Hallucis Longus Middle 2/3 of the posterior surface of the fibula
Insertion of Flexor Hallucis Longus Base of the distal phalanx of the great toe
Action of Flexor Hallucis Longus Flexion of the great toe
Innervation of Flexor Hallucis Longus Tibial nerve
Origin of Peroneus (fibularis) longus Head and upper 2/3 of the lateral surface of the fibula
Insertion of Peroneus (fibularis) longus Undersurfaces of the medial cuneiform and 1st metatarsal bone
Action of Peroneus (fibularis) longus Eversion of the foot
Innervation of Peroneus (fibularis) longus Superficial peroneal nerve
Origin of Peroneus (fibularis) brevis Mid to lower 2/3 of the lateral surface of the fibula
Insertion of Peroneus (fibularis) brevis Tuberosity of the 5th metatarsal bone
Action of Peroneus (fibularis) brevis Eversion of the foot
Innervation of Peroneus (fibularis) brevis Superficial peroneal nerve
Origin of Peroneus (fibularis) tertius Distal 1/3 of the anterior fibula
Insertion of Peroneus (fibularis) tertius Superior aspect of the base of the 5th metatarsal
Action of Peroneus (fibularis) tertius Dorsiflexion of the ankle
Innervation of Peroneus fibularis) tertius Deep peroneal nerve
Origin of Extensor digitorum longus Lateral condyle of the tibia, head of the fibula, and upper 2/3 of the anterior surface of the fibula
Insertion of Extensor digitorum longus Tops of the middle and distal phalanges of the four lesser toes
Action of Extensor digitorum longus Extension of the four lesser toes
Innervation of Extensor digitorum longus Deep peroneal nerve
Origin of Extensor hallucis longus Middle 2/3 of the medial surface of the anterior fibula
Insertion of Extensor hallucis longus Base of the distal phalanx of the great toe
Action of Extensor hallucis longus Extension of great toe
Innervation of Extensor hallucis longus Deep peroneal nerve
Origin of Tibialis anterior Upper 2/3 of the lateral surface of the tibia
Insertion of Tibialis anterior Inner surface of the medial cuneiform and the base of the 1st metatarsal bone
Action of Tibialis anterior Dorsiflexion of the ankle
Innervation of Tibialis anterior Deep peroneal nerve
Created by: pihlma