Anterior & Lateral Leg Flashcards
Extensor hallucis longus
O: middle part of anterior surface of fibula and interosseous mem
I: dorsal aspect of base of distal phalanx of great toe
N: deep fibular n (L4,5)
V: anterior tibial a
A: extends great toe and dorsiflexes ankle
Extensor digitorum longus
O: lateral condyle of tibia & superior three quarters of medial surface of fibula and interosseous mem
I: middle and distal phalanges of lateral four digits
N: deep fibular n (L4,5)
V: anterior tibial a
A: extends lateral four digits and dorsiflexes ankle
Tibialis anterior
O: lateral condyle and superior half of lateral surface of tibia and interosseous mem
I: medial and inferior surfaces of medial cuneiform and base of 1st metatarsal
N: deep fibular n (L4,5)
V: anterior tibial a
A: dorsiflexes ankle and inverts foot
Fibularis brevis
O: inferior two thirds of lateral surface of fibula
I: dorsal surface of tuberosity on lateral side of base of 5th metatarsal
N: superficial fibular n. (L5,S1,2)
V: fibular a
A: everts foot and weakly plantar flexes ankle
Fibularis longus
O: head and superior two thirds of lateral surface of fibula
I: base of 1st metatarsal and medial cuneiform
N: superficial fibular n. (L5,S1,2)
V: fibular a.
A: everts foot and weakly plantar flexes