term1 Definition1term2 Definition2term3 Definition3
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Tibialis anterior
O
I
n
A
a
O- lateral condyle and lateral surface of proximal 1/2 of tibia, interosseous membrane and crucial fascia
I- medial and plantar surfaces of 1st metatarsal and medial cuneiform
n- deep fibulae nerve @ "L4", L5
A- dorsiflexion and inversion of foot
a- anterior tibial artery
Extensor hallucis longus
O- medial surface of fibula nad interosseus membrane and crural fascia
I- dorsal surface of the base of distal phalanx of hallux
n- deep fibular nerve @ L5
A- extension of the interphalangeal (IP) joint of the hallux
Extensor digitorum longus
O- lateral condyle of tibia, fibula and interosseous membrane
I- distal phalanges of lateral four digits
n- deep fibular nerve @ L5, S1
A- dorsiflexion of the foot
Fibularis tertius
O- distal 3rd of ant surface of fibula and interosseus membrane
I- dorsal surface of base of 5th metatarsal (pinky toe)
A- weak dorsiflexion; version of the foot
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