Peroneus brevis
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| Peroneus brevis muscle | ||
|---|---|---|
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| Coronal section through right talocrural and talocalcaneal joints. (Label for Peroneus brevis is at right, third from the bottom.) | ||
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| The mucous sheaths of the tendons around the ankle. Lateral aspect. (Peroneus brevis labeled at bottom left.) | ||
| Latin | musculus peroneus brevis | |
| Gray's | subject #129 487 | |
| Origin: | fibula | |
| Insertion: | fifth metatarsal | |
| Artery: | peroneal artery | |
| Nerve: | superficial peroneal nerve | |
| Action: | plantarflexion, eversion | |
| Dorlands/Elsevier | m_22/12546596 | |
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Overview
The peroneus brevis muscle (or fibularis brevis) lies under cover of the peroneus longus, and is a shorter and smaller muscle.
Origin and insertion
It arises from the lower two-thirds of the lateral surface of the body of the fibula; medial to the Peronæus 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 foot. Dorsal surface. |
 Muscles of the front of the leg. |
 Cross-section through middle of leg. |
 The popliteal, posterior tibial, and peroneal arteries. |
 Back of left lower extremity. |
See also
External links
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
de:Musculus peroneus brevis
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
