Extensor digitorum brevis muscle

Extensor digitorum brevis muscle

Infobox Muscle
Name = PAGENAME
Latin = musculus extensor digitorum brevis
GraySubject = 131
GrayPage = 490



Caption = The mucous sheaths of the tendons around the ankle. Lateral aspect. (Extensor dig. brevis labeled at upper right.)


Caption2 =
Origin = calcaneus
Insertion = toes
Blood =
Nerve = deep peroneal nerve
Action = extends digits 2 through 4
Antagonist = Flexor digitorum longus, Flexor digitorum brevis
DorlandsPre = m_22
DorlandsSuf = 12548900
The extensor digitorum brevis muscle is a muscle on the upper surface of the foot that helps extend digits 2 through 4.

tructure

The extensor digitorum brevis is found on the back of the foot. It arises with the extensor hallucis brevis muscle from the calcaneus bone; many consider these two muscles are a single common muscle.

The extensor digitorum brevis divides into three tendons, which insert on the second, third, and fourth middle phalanges.

Innervation

The extensor digitorum brevis is innervated by the deep fibular nerve (deep peroneal nerve).

Action

The extensor digitorum brevis help to extend the toes to which it attaches.

ee also

* Extensor digitorum longus muscle
* Extensor hallucis brevis
* Extensor digitorum muscle


=Additional

External links

*
*
* - "The Foot: Muscles"
*
*
* [http://www.ptcentral.com/muscles/musclelegs.html#extensor%20digitorum%20brevis PTCentral]


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Look at other dictionaries:

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  • Extensor digitorum longus muscle — The mucous sheaths of the tendons around the ankle. Lateral aspect. (Extensor dig. longus labeled at upper right.) Latin musculus extensor digitorum longus …   Wikipedia

  • Extensor hallucis brevis muscle — Muscle infobox Name = Extensor hallucis brevis Latin = musculus extensor hallucis brevis GraySubject = 129 GrayPage = 490 Caption = The mucous sheaths of the tendons around the ankle. Medial aspect. (Ext. hall. long. labeled at top center.)… …   Wikipedia

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  • extensor digitorum brevis — extensor dig·i·to·rum brev·is .dij ə tōr əm brev əs n a muscle on the dorsum of the foot that extends the toes …   Medical dictionary

  • Flexor digitorum brevis muscle — Muscle infobox Name = Flexor digitorum brevis muscle Latin = musculus flexor digitorum brevis GraySubject = 131 GrayPage = 491 Caption = Muscles of the sole of the foot. First layer. (Flexor digitorum brevis visible at center.) Caption2 = The… …   Wikipedia

  • musculus extensor digitorum brevis — [TA] short extensor muscle of toes: origin, superior surface of calcaneus; insertion, tendons of extensor digitorum longus of first, second, third, and fourth toes; innervation, deep peroneal; action, extends toes …   Medical dictionary

  • Extensor carpi ulnaris muscle — Extensor carpi ulnaris Posterior surface of the forearm. Extensor carpi ulnaris labeled in purple at center right. Latin musculus extensor carpi ulnaris …   Wikipedia

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  • Extensor hallucis longus muscle — Infobox Muscle Name = PAGENAME Latin = musculus extensor hallucis longus GraySubject = 129 GrayPage = 481 Caption = The mucous sheaths of the tendons around the ankle. Lateral aspect. (Ext. hall. long. labeled at upper left.) Caption2 = Cross… …   Wikipedia

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