Lecture 15: Anterior/Lateral Leg and Dorsum of Foot Flashcards
crural fascia
continuous with fasica lata
anterior compartment of leg actions
dorsiflexion of foot and extension of toes
anterior compartment of leg nerve supply
deep fibular n.
anterior compartment of leg arterial supply
anterior tibial a.
lateral compartment of leg actions
eversion of foot and plantar flexion
lateral compartment of leg nerve supply
superficial fibular a.
posterior compartment of leg actions
flexion of foot and flexion of toes
posterior compartment nerve supply
tibial n.
posterior compartment arterial supply
posterior tibial a.
tibialis anterior attachments
proximal: tibia and adjacent crural fascia
distal: plantar aspect of 1st cuneiform and base of metatarsal 1
tibialis anterior innervation
deep fibular n.
tibialis anterior action
inversion, dorsiflexion of foot
extensor hallucis longus attachments
proximal: fibula and interosseous membrane
distal: distal phalanx of great toe
extensor hallucis longus innervation
deep fibular n.
extensor hallucis longus actions
dorsiflexion of foot, extension of great toe
extensor digitorum longus attachments
proximal: fibula, interosseous membrane and lateral tibial condyle
distal: middle and distal phalanges of digits 2-5
extensor digitorum longus innervation
deep fibular n.
extensor digitorum longus action
extension of digits 2-5, dorsiflexion of foot
fibularis tertius attachments
proximal: fibula and interosseous membrane
distal: base of fifth metatarsal
fibularis tertius innervation
deep fibular n.
fibularis tertius actions
dorsiflexion and eversion of foot
fibularis longus attachments
proximal: fibula
distal: base of metatarsal 1
fibularis longus innervation
superficial fibular n.
fibularis longus actions
eversion and plantar flexion of foot
fibularis brevis attachments
proximal: fibula
distal: tuberosity of fifth metatarsal
fibularis brevis innervation
superficial fibular n.
fibularis brevis actions
eversion and plantar flexion of foot
extensor hallucis brevis innervation
deep fibular n.
extensor hallucis brevis actions
extension of great toe
extensor digitorum brevis innervation
deep fibular n.
extensor digitorum brevis actions
extension of digits 2-4
common fibular n. branches
deep fibular n.
superficial fibular n.
branches of popliteal a.
anterior tibial a. (becomes dorsalis pedis)
posterior tibial a.
posterior tibial a. branches
fibular a.
medial plantar a.
lateral plantar a.