Extensor Hallucis Brevis: Difference between revisions
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= | == Description == | ||
The EHB is a muscle on the top of the foot that helps to extend the big toe .It is essentially the medial part of the extensor digitorum brevis muscle.[[Image:Musculus flexor hallucis brevis1 (1).jpg|right]] | The EHB is a muscle on the top of the foot that helps to extend the big toe .It is essentially the medial part of the extensor digitorum brevis muscle.[[Image:Musculus flexor hallucis brevis1 (1).jpg|right]] | ||
= Anatomy = | == Anatomy == | ||
== Origin == | ==== Origin ==== | ||
From distal part of superior and lateral surface of calcaneus ,lateral talocalcaneal ligament and apex of inferior extensor retinaculum. | From distal part of superior and lateral surface of calcaneus ,lateral talocalcaneal ligament and apex of inferior extensor retinaculum. | ||
== | ==== Insertion ==== | ||
To dorsal surface of base of proximal phalanx of big toe . | To dorsal surface of base of proximal phalanx of big toe . | ||
== Nerve supply == | ==== Nerve supply ==== | ||
Deep peroneal L4 ,L5 , S1 . | Deep peroneal L4 ,L5 , S1 . | ||
== | ==== Artery ==== | ||
The perforating branch of the peroneal artery, anterior lateral malleolar artery, lateral tarsal arteries, dorsalis pedis artery, arcuate artery, first dorsal metatarsal artery, and dorsal digital arteries | |||
== Function == | |||
Extend the metatarsophalangeal joint of the big toe. | |||
== Clinical Significance == | |||
[[Category:Anatomy]] [[Category:Muscles]] | [[Category:Anatomy]] [[Category:Muscles]] | ||
Revision as of 01:38, 9 June 2018
Description[edit | edit source]
The EHB is a muscle on the top of the foot that helps to extend the big toe .It is essentially the medial part of the extensor digitorum brevis muscle.
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Anatomy[edit | edit source]
Origin[edit | edit source]
From distal part of superior and lateral surface of calcaneus ,lateral talocalcaneal ligament and apex of inferior extensor retinaculum.
Insertion[edit | edit source]
To dorsal surface of base of proximal phalanx of big toe .
Nerve supply[edit | edit source]
Deep peroneal L4 ,L5 , S1 .
Artery[edit | edit source]
The perforating branch of the peroneal artery, anterior lateral malleolar artery, lateral tarsal arteries, dorsalis pedis artery, arcuate artery, first dorsal metatarsal artery, and dorsal digital arteries
Function[edit | edit source]
Extend the metatarsophalangeal joint of the big toe.
