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{{Infobox muscle
{{Muscle infobox |
Name = Fibularis brevis muscle |
| Name = Fibularis brevis muscle
Latin = Musculus fibularis brevis, <br>musculus peronaeus brevis|
| Latin = Musculus fibularis brevis, <br>musculus peronaeus brevis
GraySubject = 129 |
| GraySubject = 129
GrayPage = 487 |
| GrayPage = 487
Image = Gray357.png |
| Image = Gray357.png
Caption = Coronal section through right [[talocrural]] and [[talocalcaneal]] joints. (Label for Peroneus brevis is at right, third from the bottom.) |
| Caption = Coronal section through right [[talocrural]] and [[talocalcaneal]] joints. (Label for Peroneus brevis is at right, third from the bottom.)
Image2 = Gray441.png |
| Image2 = Gray441.png
Caption2 = The mucous sheaths of the tendons around the ankle. Lateral aspect. (Peroneus brevis labeled at bottom left.) |
| Caption2 = The mucous sheaths of the tendons around the ankle. Lateral aspect. (Peroneus brevis labeled at bottom left.)
Origin = Lower two-thirds of lateral [[fibula]] |
| Origin = Lower two-thirds of lateral [[fibula]]
Insertion = [[Fifth metatarsal]] |
| Insertion = [[Fifth metatarsal]]
Action = [[Plantarflexion]], [[Eversion (kinesiology)|eversion]] |
| Action = [[Plantarflexion]], [[Eversion (kinesiology)|eversion]]
Blood = [[Fibular artery|Fibular artery (peroneal artery)]] |
| Blood = [[Fibular artery|Fibular artery (peroneal artery)]]
Nerve = [[Superficial fibular nerve]] |
| Nerve = [[Superficial fibular nerve]]
DorlandsPre = m_22 |
| DorlandsPre = m_22
DorlandsSuf = 12546596 |
| DorlandsSuf = 12546596
}}
}}
The '''fibularis brevis''' muscle (or '''peroneus brevis''') lies under cover of the [[fibularis longus]], and is a shorter and smaller muscle. It is also innervated by the superficial fibular (peroneal) nerve. The muscle assists in weak [[plantarflexion]] and [[Eversion (kinesiology)|eversion]] of the foot.
The '''fibularis brevis''' muscle (or '''peroneus brevis''') lies under cover of the [[fibularis longus]], and is a shorter and smaller muscle. It is also innervated by the superficial fibular (peroneal) nerve. The muscle assists in weak [[plantarflexion]] and [[Eversion (kinesiology)|eversion]] of the foot.

Revision as of 18:24, 10 March 2014

Fibularis brevis muscle
Coronal section through right talocrural and talocalcaneal joints. (Label for Peroneus brevis is at right, third from the bottom.)
The mucous sheaths of the tendons around the ankle. Lateral aspect. (Peroneus brevis labeled at bottom left.)
Details
OriginLower two-thirds of lateral fibula
InsertionFifth metatarsal
ArteryFibular artery (peroneal artery)
NerveSuperficial fibular nerve
ActionsPlantarflexion, eversion
Identifiers
LatinMusculus fibularis brevis,
musculus peronaeus brevis
TA98A04.7.02.042
TA22653
FMA22540
Anatomical terms of muscle

The fibularis brevis muscle (or peroneus brevis) lies under cover of the fibularis longus, and is a shorter and smaller muscle. It is also innervated by the superficial fibular (peroneal) nerve. The muscle assists in weak plantarflexion and eversion of the foot.

Origin and insertion

It arises from the lower two-thirds of the lateral surface of the body of the fibula; medial to the fibularis longus; and from the intermuscular septa separating it from the adjacent muscles on the front and back of the leg.

The fibers pass vertically downward, and end in a tendon which runs behind the lateral malleolus along with but in front of that of the preceding muscle, the two tendons being enclosed in the same compartment, and lubricated by a common mucous sheath.

It then runs forward on the lateral side of the calcaneus, above the trochlear process and the tendon of the Peronæus longus, and is inserted into the tuberosity at the base of the fifth metatarsal bone, on its lateral side.

Terminology

The terms "Peroneal" (i.e., Artery, Retinaculum) and "Peroneus" (i.e., Longus and Brevis) are derived from the Greek word Perone (pronounced Pair-uh-knee) meaning pin of a brooch or a buckle. In medical terminology, both terms refer to being of or relating to the fibula or to the outer portion of the leg.

Additional images

  • Bones of the right leg. Anterior surface.
    Bones of the right leg. Anterior surface.
  • Bones of the right foot. Dorsal surface.
    Bones of the right foot. Dorsal surface.
  • Muscles of the front of the leg.
    Muscles of the front of the leg.
  • Cross-section through middle of leg.
    Cross-section through middle of leg.
  • The popliteal, posterior tibial, and fibular arteries.
    The popliteal, posterior tibial, and fibular arteries.
  • Back of left lower extremity.
    Back of left lower extremity.
  • Fibularis brevis muscle
    Fibularis brevis muscle
  • Muscles of the sole of the foot.
    Muscles of the sole of the foot.
  • Dorsum of Foot. Deep dissection.
    Dorsum of Foot. Deep dissection.
  • Musclea of Leg. Lateral view. Deep dissection.
    Musclea of Leg. Lateral view. Deep dissection.

See also

  • Template:MuscleLoyola
  • . GPnotebook https://www.gpnotebook.co.uk/simplepage.cfm?ID=20250702. {{cite web}}: Missing or empty |title= (help)
  • Anatomy photo:15:st-0407 at the SUNY Downstate Medical Center
  • PTCentral

Public domain This article incorporates text in the public domain from page 487 of the 20th edition of Gray's Anatomy (1918)


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