Muscles Of The Leg Flashcards
Insertion of tibialis anterior
By tendon into inferior surface of medial cuneiform and first metatarsal bone
Origin of tibialis anterior
Lateral condyle and upper two thirds of tibial shaft; interosseous membrane
Action of tibialis anterior
Prime mover in dorsiflexion
Innervation of tibialis anterior
Deep fibular nerve
Origin of extensor digitorum longus
Lateral condyle of tibia; proximal three-fourths of fibula; interosseous membrane
Insertion of extensor digitorum longus
Middle and distal phalanges of toes 2-5 via extensor expansion
Action of extensor digitorum longus
Prime mover of toe extension
Innervation of extensor digitorum longus
Deep fibular nerve
Origin of fibularis (peroneus) tertius
Distal anterior surface of fibula and interosseous membrane
Insertion of fibularis (peroneus) tertius
Tendon inserts on dorsum of fifth metatarsal
Action of fibularis (peroneus) tertius
Dorsiflexion and everts foot
Innervation of fibularis (peroneus) tertius
Deep fibular nerve
Origin of extensor hallucis longus
Anteromedial fibula shaft and interosseous membrane
Insertion of extensor hallucis longus
Tendon inserts on distal phalanx of great toe
Action of extensor hallucis longus
Extends great toe
Innervation of extensor hallucis longus
Deep fibular nerve
Origin of fibularis (peroneus) longus
Head and upper portion of lateral side of fibula
Insertion of fibularis (peroneus) longus
By long tendon that curves under foot to first metatarsal and medial cuneiform
Action of fibularis (peroneus) longus
Plantar flexes and everts foot
Innervation of fibularis (peroneus) longus
Superficial fibular nerve