W3 - Muscles Of The Foot And Ankle: ANTERIOR COMPARTMENT Flashcards
Name the 4 muscles in the anterior compartment of the foot and ankle
Tibialis anterior
Extensor hallucis longus
Extensor digitorum longus
Peroneus tertius
What nerve supplies all the muscles in the anterior compartment for the foot and ankle?
Deep perineal nerve L4 - S1
What artery runs down the anterior compartment of the foot and ankle?
Anterior tibial artery
What prime movement do all the muscles in the anterior compartment of the foot and ankle do?
Dorsiflexion
Name the proximal and distal attachment sites for the tibialis anterior muscle for the foot and ankle
Proximal
Upper 2/3 of the lateral shaft of the tibia
Distal
Medial and inferior surface of the medial cuneiform and base of metatarsal 1
What movements does the tibialis anterior muscle of the foot and ankle do?
Dorsiflexion
Inversion
Dynamic support of the medial arch of the foot
Name the proximal and distal attachment sites for the extensor hallucis longus muscle of the foot and ankle
Proximal
Middle 1/2 of the medial shaft of fibula
Distal
Base of distal phalanx of the big toe on the dorsal surface
What movements does the extensor hallucis longus muscle of the foot and ankle do?
Extension of the big toe
Dorsi flexion
Name the proximal and distal attachment sites for the extensor digitorum longus muscle of the foot and ankle
Proximal
Proximal 1/2 of the medial fibular surface and lateral tibial condyle
Distal
Via the dorsal digital expansion into the base of the distal and middle phalanges of toes 2 to 5
What movement does the extensor digitorum longus muscle of the foot and ankle do?
Extends the four toes
Dorsiflexion
Name the proximal distal attachment sites for the peroneus tertius muscle of the foot and ankle
Proximal
Distal part of the medial surface of the fibula
Distal
Base of metatarsal 5 on the dorsmedial surface
What movement does the peroneus tertius muscle of the foot and ankle do
Eversion
Dorsiflexion