Anterior Compartment of Leg Flashcards
Extensor Hallucis Longus - Insertion
- dorsal aspect of base of distal phalanx of great toe (hallux)
Tibialis Anterior - Insertion
- medial and inferior surfaces of medial cuneiform
- base of 1st metatarsal
Tibialis Anterior - Innervation
Deep fibular nerve (L4, L5)
Tibialis Anterior - Action
- dorsiflexes ankle
- inverts foot
- supports medial longitudinal arch of foot
Extensor Hallucis Longus - Innervation
Deep fibular nerve (L5, S1)
Extensor Hallicus Longus - Origin
- middle part of anterior surface of tibia
- interosseous membrane
Extensor Digitorum Longus - Action
- extends lateral 4 digits
- dorsiflex
Fibularis Tertius - Origin
- inferior 1/3 of anterior surface of fibula
- interosseous membrane
Fibularis Tertius - Action
- dorsiflex ankle
- eversion of foot
Extensor Hallucis Longus - Action
- extends great toe
- dorsiflex ankle
Extensor Digitorum Longus - Insertion
Middle and distal phalanges of lateral 4 digits
Fibularis Tertius - Innervation
Deep fibular nerve (L5,S1)
Fibularis Tertius - Insertion
Dorsum of base of 5th metatarsal
Extensor Digitorum Longus - Innervation
Deep fibular nerve (L5, S1)
Tibialis Anterior - Origin
- lateral condyle of tibia
- superior 1/2 of lateral surface of tibia
- interosseous membrane