Dorsal foot Flashcards
Innervation of dorsal foot
Deep fibular nerve
Origin of extensor digitorum brevis
Calcaneus
Interosseus talocalcaneal ligament
Inferior extensor retinaculum
Insertion of extensor digitorum brevis
Long extensor tendons of lateral 4 toes
Action of extensor digitorum brevis
Aids extensor digitorum longus in extension of lateral 4 toes at MTP and IP joints
Origin of extensor hallucis brevis
Calcaneus
Interosseus talocalcaneal ligament
Inferior extensor retinaculum
Insertion of extensor hallucis brevis
Base of proximal phalanx of big toe
Action of extensor hallucis brevis
Aids extensor hallucis longus in extension of big toe at MTP joint
Consequence of tearing of extensor digitorum brevis
Formation of haematoma
This produces a swelling anteromedial to lateral malleolus
Muscles of dorsal foot
Extensor digitorum brevis
Extensor hallucis brevis