Ankle Dorsiflexors Flashcards
Name the ankle dorsiflexors
Tibialis Anterior, Extensor Digitorum Longus, Extensor Hallucis Longus, Fibularis (peroneus) Tertius
Tibialis Anterior origin
Upper 2/3rds of lateral surface of tibia
Interosseous Membrane
Tibialis Anterior insertion
Medial & Inferior Surfaces
Medial Cuneiform
Base of 1st Metatarsal
Tibialis Anterior nerve supply
Deep Peroneal Nerve
(Deep Fibular Nerve)
L4-L5
Tibialis Anterior action
Dorsiflexion
Inversion
Tibialis Anterior function
Point toes upwards
Extensor Digitorum Longus origin
Lateral Condyle Tibia
Upper 2/3rds of ant. surface of fibula
Interosseous Membrane
Extensor Digitorum Longus insertion
Middle & Distal Phalanges of Lateral Four Digits
Extensor Digitorum Longus nerve supply
Deep Peroneal Nerve
(Deep Fibular Nerve)
L5-S1
Extensor Digitorum Longus action
Dorsiflexion
Extends Lateral Four Digits
Extensor Digitorum Longus function
Point toes upwards
Extensor Hallucis Longus origin
Middle Part Anterior Surface Fibula
Interosseous Membrane
Extensor Hallucis Longus insertion
Dorsal Aspect of Base Distal
Phalanx of Big Toe
Extensor Hallucis Longus nerve supply
Deep Peroneal Nerve
(Deep Fibular Nerve)
L5-S1
Extensor Hallucis Longus action
Dorsiflexion
Extends Big Toe