Anterior Compartment of Leg Flashcards
Insertion of Tibialis Anterior
Medial and inferior surfaces of medial cuneiform and base of 1st metatarsal
Origin of Tibialis Anterior
Lateral condyle and superior 2/3 of lateral surface of tibia and interosseous membrane
Innervation of Tibialis Anterior
Deep Fibular Nerve (L4, L5)
Action of Tibialis Anterior
Dorsiflexes ankle, inverts foot, and supports medial longitudinal arch of foot
Origin of Extensor Hallucis Longus`
Middle part of anterior surface of fibula and interosseous membrane
Insertion of Extensor Hallucis Longus
Dorsal aspect of base of distal phalanx of great toe (hallux)
Innervation of Extensor Hallucis Longus, Extensor Digitorum longus, and fibularis tertius
Deep fibular nerve (L5, S1)
Origin of Extensor Digitorum longus
Lateral condyle of tibia and superior 2/3 of anterior surface of fibula and interosseous membrane
Insertion of Extensor Digitorum Longus
Middle and distal phalanges of lateral four digits
Origin of Fibularis tertius
Inferior third of anterior surface of fibula and interosseous membrane
Insertion of Fibularis tertius
Dorsum of base of 5th metatarsal
Action of Fibularis Tertius
Dorsiflexes ankle and aids in eversion of the foot