-
gastrocnemius
superficial posterior
O- medial and lateral condyles of femur
I- posterior calcaneus
A- knee flex, ankle PF
N- tibial
-
soleus
superficial posterior
O- post. tibia and fibula
I- posterior calcaneus
A- ankle PF
N- tibial
-
plantaris
superficial posterior
O- post. lateral condyle of femur
I- posterior calcaneus
A- weak assister
N- tibial
-
tibialis posterior
deep posterior
O- interosseus membrane, adjacent tibia and fibula
I- navicular, most tarsals and metatarsals
A- ankle inv, PF assist
N- tibial
-
flexor hallucis longus
deep posterior
O- post fibula and interosseus membrane
I- distal phalanx of great toe
A- flexes great toe, ankle PF, inv assist
N- tibial
-
flexor digitorum longus
deep posterior
O- post. tibia
I- distal phalanx of 4 lesser toes
A- flexes 4 lesser toes, ankle inv, PF assist
N- tibial
-
tibialis anterior
anterior
O- lateral tibia and interosseus membrane
I- 1st cuneiform and 1st metatarsal
A- ankle inv, DF
N- deep peroneal
-
extensor hallucis longus
anterior
O- fibula and interosseus membrane
I- distal phalanx of great toe
A- extends great toe, ankle inv, DF assist
N- deep peroneal
-
extensor digitorum longus
anterior
O- fibula, interosseus membrane, tibia
I- distal phalanx of 4 lesser toes
A- extends 4 lesser toes, ankle DF assist
N- deep peroneal
-
peroneus longus
lateral
O- lateral proximal fibula, interosseus membrane
I- plantar surface of 1st cuneiform and metatarsal
A- ankle ever, ankle PF assist
N- superficial peroneal
-
peroneus brevis
lateral
O- lateral distal fibula
I- base of 5th metatarsal
A- ankle ever, ankle PF assist
N- superficial peroneal
|
|
