Extensor Digitorum Brevis: Difference between revisions

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[[File:Extensor digitorum brevis.png|thumb|340x340px]]
== Origin ==
== Origin ==
It`s  one of the intrinsic muscles on the dorsum of the foot.It arises from the upper and lateral of surface of the calacaneous,floor of tarsal sinus, talocalcaneal ligament, stem of inferior extensor retinaculum <ref>Anatomy next. Extensor digitorium brevis. Available from<nowiki/>https://www.anatomynext.com/extensor-digitorum-brevis/  accessed at (26july 2019)</ref><ref name=":0">Keith L. , Anne M. R . Clinically Oriented Anatomy . philidephia : Lippincott Williams & Wilkins.Feb 13, 2013</ref>
[[File:Extensor digitorum brevis.png|thumb|340x340px]]Extensor Digitorum Brevis is one of the intrinsic muscles on the dorsum of the foot. It arises from the upper and lateral surface of the calcaneous, the floor of tarsal sinus, the talocalcaneal ligament, and the stem of the inferior extensor retinaculum <ref>Anatomy next. Extensor digitorium brevis. Available from<nowiki/>https://www.anatomynext.com/extensor-digitorum-brevis/  accessed at (26july 2019)</ref><ref name=":0">Keith L. , Anne M. R . Clinically Oriented Anatomy . philidephia : Lippincott Williams & Wilkins.Feb 13, 2013</ref>


== Insertion ==
== Insertion ==
It`s tendons inserted into the long tendons of four medial digits (toes 2_4)<ref name=":0" />
Its tendons insert into the long tendons of the four medial digits (toes 2_4)<ref name=":0" />


== Nerve supply ==
== Nerve Supply ==
deep fibular nervre ( L5 orS1 or both )<ref name=":0" />
Deep fibular nerve ( L5 or S1 or both )<ref name=":0" />


== Action ==
== Action ==
Helps [[Extensor digitorum longus|Extensor digiorium longus]] in extending of metatarsophalangeal joints, interphalangeal joints of the 2nd, 3rd and 4th toes<ref name=":0" />
Assists [[Extensor digitorum longus|Extensor digiorium longus]] in extending the metatarsophalangeal and interphalangeal joints of the 2nd, 3rd and 4th toes<ref name=":0" />


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[[Category:Anatomy]]
[[Category:Anatomy]]
[[Category:Muscles]]
[[Category:Muscles]]
<references />

Revision as of 00:50, 9 August 2019

Origin[edit | edit source]

Extensor digitorum brevis.png

Extensor Digitorum Brevis is one of the intrinsic muscles on the dorsum of the foot. It arises from the upper and lateral surface of the calcaneous, the floor of tarsal sinus, the talocalcaneal ligament, and the stem of the inferior extensor retinaculum [1][2]

Insertion[edit | edit source]

Its tendons insert into the long tendons of the four medial digits (toes 2_4)[2]

Nerve Supply[edit | edit source]

Deep fibular nerve ( L5 or S1 or both )[2]

Action[edit | edit source]

Assists Extensor digiorium longus in extending the metatarsophalangeal and interphalangeal joints of the 2nd, 3rd and 4th toes[2]

  1. Anatomy next. Extensor digitorium brevis. Available fromhttps://www.anatomynext.com/extensor-digitorum-brevis/ accessed at (26july 2019)
  2. 2.0 2.1 2.2 2.3 Keith L. , Anne M. R . Clinically Oriented Anatomy . philidephia : Lippincott Williams & Wilkins.Feb 13, 2013