Interosseous membrane of the leg
- Interosseous membrane of the leg
Infobox Anatomy
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Latin = membrana interossea cruris, ligamentum tibiofibulare medium
GraySubject = 94
GrayPage = 348
Caption = Cross-section through middle of left leg. (Interosseus membrane labeled at upper right.)
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DorlandsPre = m_08
DorlandsSuf = 12522106
The interosseous membrane of the leg (middle tibiofibular ligament) extends between the interosseous crests of the tibia and fibula, and separates the muscles on the front from those on the back of the leg.
It consists of a thin, aponeurotic lamina composed of oblique fibers, which for the most part run downward and lateralward; some few fibers, however, pass in the opposite direction.
It is broader above than below. Its upper margin does not quite reach the tibiofibular joint, but presents a free concave border, above which is a large, oval aperture for the passage of the anterior tibial vessels to the front of the leg.
In its lower part is an opening for the passage of the anterior peroneal vessels.
It is continuous below with the interosseous ligament of the tibiofibular syndesmosis, and presents numerous perforations for the passage of small vessels.
It is in relation, in front, with the Tibialis anterior, Extensor digitorum longus, Extensor hallucis proprius, Peronæus tertius, and the anterior tibial vessels and deep peroneal nerve; behind, with the Tibialis posterior and Flexor hallucis longus.
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External links
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* [http://www.massagetherapy.com/articles/index.php/article_id/496 Diagrams at massagetherapy.com]
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