Muscles of anterior and lateral compartments Flashcards
tibialis anterior (TA) insertion
medial and inferior surfaces of medial cuneiform and base of 1st metatarsal
tibialis anterior (TA) orgin
lateral condyle and superior 2/3 of lateral surface of tibia and interosseus membrane
tibialis anterior (TA) innervation
deep fibular nerve (L4, L5)
tibialis anterior (TA) action
dorsiflexes ankles, inverts foot, supports medial longitudinal arch of foot
extensor hallucis longus (EHL) orgin
middle part of anterior surface of fibula and interosseous membrane
extensor hallucis longus (EHL) insertion
dorsal aspect of base of distal phalanx of greater toe
extensor hallucis longus (EHL) innervation
deep fibular nerve (L5, S1)
extensor hallucis longus (EHL) action
extends great toe dorsiflexes ankle
Extensor Digitorum Longus (EDL) orgin
lateral condyle of tibia and superior 2/3 of anterior surface of fibula and interosseous membrane
Extensor Digitorum Longus (EDL) insertion
middle and distal phalanges of lateral four digits
Extensor Digitorum Longus (EDL) innervation
deep fibular nerve (L5, S1)
Extensor Digitorum Longus (EDL) action
extends lateral four digits and dorsiflexes ankle
fibularis tertius orgin
inferior third of anterior surface of fibula and interosseous membrane
fibularis tertius insertion
dorsum of base of 5th metatarsal
fibularis tertius innervation
deep fibular nerve (L5, S1)