Leg Flashcards
Tibialis Anterior Origin
Upper 2/3 of lateral tibia
Crural interosseous membrane
Tibialis Anterior Insertion
Medioplantar surface of medial cuneiform
Middle base of 1st MT
Tibialis Anterior Function
Dorsiflexion
Inversion/supination
Tibialis Anterior Innervation
Deep fibular
L4-L5
Extensor Digitorum Longus Origin
Lateral tibial condyle
Head of fibula
Anterior border of fibula
Crural interosseous membrane
Extensor Digitorum Longus Insertion
Dorsal aponeurosis of 2nd-5th toes
Base of distal 2-5 phalanges
Extensor Digitorum Longus Function
Dorsiflexion
Eversion/pronation
Extends MTP and 2-5 IP
Extensor Digitorum Longus Innervation
Deep fibular
L5-S1
Extensor Hallucis Longus Origin
Middle 1/3 of medial surface of fibula
Crural interosseous membrane
Extensor Hallucis Longus Insertion
Dorsal aponeurosis of big toe
Base of big toe distal phalanx
Extensor Hallucis Longus Function
Dorsiflexion
Eversion/pronation
Inversion/supination
Extends MTP and IP of big toe
Extensor Hallucis Longus Innervation
Deep fibular
L5
Fibularis Longus Origin
Head of fibula
Proximal 2/3 of lateral surface of fibula
Fibularis Longus Insertion
Plantar side of medial cuneiform
Base of 1st MT
Fibularis Longus Function
Plantar flexion
Eversion/pronation
Supports transverse arch
Fibularis Longus Innervation
Superficial fibular
L5-S1