Anterior Leg and Dorsum of Foot Flashcards
Where does tibialis anterior originate?
tibia
Where does extensor hallucis longus and peroneus tertius originate?
fibula and interosseus membrane
Where does extensor digitorum longus originate?
tibia, fibula, and interosseous membrane
Where does extensor digitorum brevis originate?
calcaneus
Where does tibialis anterior insert?
medial cuneiform and first metatarsal
Where does extensor hallucis longus insert?
distal phalanx of big toe
Where does extensor digitorum longus and brevis insert?
extensor expansions of:
L: lat. 4 toes
B: toes 2-4
Where does peroneus tertius insert?
fifth metatarsal
What does tibialis anterior, extensor hallucis longus, extensor digitorum longus, and peroneus tertius all do what?
dorsiflex foot
Besides dorsiflex foot, what else does the extensors hallucis longus, digitorum longus, and digitorum brevis do?
extend the toes
What other function does tibialis anterior have besides dorsiflexion of foot?
inversion
What other function does peroneus tertius have besides dorsiflexion of foot?
eversion
What is the anterior leg mm and dorsum of foot mm all innervated by?
deep peroneal nerve
What are the 5 mm in the anterior leg and dorsum of foot?
tibialis anterior, extensor hallucis longus, extensor digitorum longus, peroneus tertius, and extensor digitorum brevis
