anterior lower leg Flashcards
innervation
deep fibular nerve
anterior tibialis origin and insertion
o - lateral tibial condyle and interosseous membrane
i - 1st metatarsal and cuneiform
anterior tibialis actions
-dorsiflex talocrural joint
-invert subtalar and transverse tarsal joints
extensor hallucis longus origin and insertion
o - anterior fibular and interosseous membrane
i - distal phalanx of 1st toe
extensor hallucis longus actions
-extend 1st toe (metatarsophalangeal and interphalangeal joints)
-assists dorsiflexion of talocrural joint
fibularis tertius origin and insertion
o - distal fibula and interosseous membrane
i - base of 5th metatarsal
fibularis tertius actions
- dorsiflex talocrural joint
-evert subtalar and transverse tarsal joints
extensor digitorum longus origin and insertion
o - lateral tibial condyle, fibula, interosseous membrane
i - distal phalanges 2-5
extensor digitorum longus actions
-extends MTP,DIP,PIP joints of 2-5
-assists dorsiflexion of talocrural joint