Anterior compartment of the leg |
Tibialis anterior | Tibia and interosseous membrane | Medial cuneiform and base of metatarsal 1 | Dorsiflexion of foot at ankle joint; inversion of foot | Deep fibular n. (L4, L5) |
Extensor digitorum longus | Fibula and lateral tibial condyle | Via dorsal digital expansions into digits 2–5 | Extension of lateral digits 2–5 and dorsiflexion of foot | Deep fibular n. (L5, S1) |
Extensor hallucis longus | Fibula and interosseous membrane | Distal phalanx of great toe | Extension of great tow and dorsiflexion of foot | |
Fibularis (peroneus) tertius | Distal part of fibula | Base of metatarsal 5 | Dorsiflexion and eversion of foot | |
Lateral compartment of the leg |
Fibularis (peroneus) longus | Upper surface of fibula | Medial cuneiform and base of metatarsal 1 | Eversion and plantarflexion of foot | Superficial fibular n. (L5, S1, S2) |
Fibularis (peroneus) brevis | Lower surface of fibula | Base of metatarsal 5 | | |
Posterior compartment of the leg (superficial group) |
Gastrocnemius | Medial head: superior to medial femoral condyle Lateral head: superior to lateral femoral condyle | Via calcaneal tendon to posterior surface of calcaneus bone | Plantarflexes foot and flexes knee | Tibial n. (S1, S2) |
Plantaris | Superior to lateral femoral condyle | | | |
Soleus | Posterior aspect of tibia (soleal line) and posterior aspect of fibular head and shaft | | Plantarflexes the foot | |
Posterior compartment of the leg (deep group) |
Popliteus | Posterior surface of proximal tibia | Lateral femoral condyle | Unlocks knee joint; laterally rotates femur on fixed tibia | Tibial n. (L4, L5, S1) |
Flexor hallucis longus | Posterior surface of fibula and interosseous membrane | Distal phalanx of great toe | Flexes great toe | Tibial n. (S2, S3) |
Flexor digitorum longus | Tibia | Distal phalanges of digits 2–5 | Flexes digits 2–5 | |
Tibialis posterior | Interosseous membrane, tibia, and fibula | Navicular, all cuneiform bones, and metatarsals 2–4 | Inversion and plantarflexion of foot; support of medial arch of foot during walking | Tibial n. (L4, L5) |