Leg and Ankle Flashcards
tibialis anterior origin
lateral condyle
lateral surface of upper 1/2 of tibia
interosseous membrane
crural fascia
tibialis anterior insertion
medial and plantar surfaces of 1st metatarsal bone
medial cuneiform
tibialis anterior action
dorsiflexes foot at ankle joint
inverts and adducts at subtalar and midtarsal joint
tibialis anterior innervation
deep fibular (peroneal) nerve (L4, L5)
extensor hallucis longus origin
medial surface of fibula
anterior part of interosseous membrane
crural fascia
extensor hallucis longus insertion
dorsal surface of base of distal phalanx of great toe
extensor hallucis longus action
extends great toe
dorsiflexes and inverts foot
extensor hallucis longus innervation
deep fibular (peroneal) (L5, S1)
extensor hallucis longus irrigation
anterial tibial artery
extensor digitorum longus origin
lateral condyle of tibia
upper 3/4 anterior surface of fibula
interosseous membrane
extensor digitorum longus insertion
distal phalanges of four lateral toes
extensor digitorum longus action
extends last four digits
dorsiflexes and everts foot
extensor digitorum longus innervation
deep fibular (peroneal) nerve (L5, S1)
extensor digitorum longus irrigation
anterior tibial artery
fibularis longus origin
head of fibula
upper 2/3 of fibula
intermuscular septum
fibularis longus insertion
lateral aspect of base of 1st metatarsal
medial cuneiform
fibularis longus action
everts foot
weak plantar flexor
fibularis longus innervation
superficial fibular (peroneal) nerve (L4-S2)
fibularis longus irrigation
anterial tibial and peroneal arteries
fibularis brevis origin
distal 2/3 of lateral surface of fibula
intermuscular septum
fibularis brevis insertion
lateral surface and base of 5th metatarsal
fibularis brevis action
everts foot
weak plantar flexor
fibularis brevis innervation
superficial fibular (peroneal) nerve (L4-S1)
fibularis brevis irrigation
muscular branches of peroneal artery