Anterior Leg Flashcards
tibialis anterior O
lateral condyle of the tibia
superior 2/3 of lat surface of tibia
interosseous membrane
tibialis anterior I
medial and inferior surfaces of medial cuneiform
base of 1st metatarsal
tibialis anterior innervation
deep fibular nerve L4/L5
tibialis anterior action
dorsiflex ankle
inverts foot
supports medial longitudinal arch of foot
extensor hallucis longus O
middle part of anterior surface of fibula
interosseous membrane
extensor hallucis longus I
dorsal aspect of base of distal phalanx of great toe (hallux)
extensor hallucis longus innervation
deep fibular nerve L5,S1
extensor hallucis longus action
extends great toe
dorsiflexes ankle
extensor digitorum longus O
lateral condyle of tibia
superior 2/3 of ant surface of fibula
interosseous membrane
extensor digitorum long I
middle and distal phalanges of lateral four digits
extensor digitorum longus innervation
deep fibular nerve L5,S1
extensor digitorum longus action
extends lateral four digits
dorsiflex ankle
fibularius tertius O
inferior third of anterior surface of fibula
interosseous membrane
fibularis tertius I
dorsum of base of 5th metatarsal
fibularis terirus innervation
deep fibular nerve L5,S1
fibularis teritus action
dorsiflex ankle
aids in inversion of foot
extensor digitorm brevis O
calcaneous (dorsal surface)
extensor digitorum brevis I
2nd - 4th toes (at dorsal aponeuroses and bases of the middle phalanges)
extensor digitorum brevis innervation
deep fibular nerve L5,S1
extensor digitorum brevis action
extension of the MTP and PIP joints of the 2nd to 4th toes
extensor hallucis brevis O
calcaneous (dorsal surface)
extensor hallucis brevis I
1st toe (at dorsal aponeurosis and proximal phalanx)
extensor hallucis brevis innervation
deep fibular nerve L5,S1
extensor hallucis brevis action
extension of the MTP joints of the 1st toe
