Extensor Hallucis Brevis: Difference between revisions
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= Introduction = | = Introduction = | ||
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]]<br> | ||
= Anatomy = | |||
== Origin == | |||
From distal part of superior and lateral surface of calcaneus ,lateral talocalcaneal ligament and apex of inferior extensor retinaculum. | |||
== | == Insersion<br> == | ||
To dorsal surface of base of proximal phalanx of big toe . | |||
== | == Nerve supply == | ||
Deep peroneal L4 ,L5 , S1 . | |||
== Action == | |||
== Action == | |||
Extend the metatarsophalangeal joint of the big toe . | Extend the metatarsophalangeal joint of the big toe . |
Revision as of 23:50, 25 January 2017
Introduction[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.
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.
Insersion
[edit | edit source]
To dorsal surface of base of proximal phalanx of big toe .
Nerve supply[edit | edit source]
Deep peroneal L4 ,L5 , S1 .
Action[edit | edit source]
Extend the metatarsophalangeal joint of the big toe .