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Interosseous membrane of forearm

Other Terms: Antebrachial interosseous membrane, Membrana interossea antebrachii, Membrane interosseuse antébrachiale

Parts

None

Group

Upper limb joints - Radioulnar

Description

Strong fibrous sheet that spans the interval between the radius and the ulna, except where it is incomplete at the proximal end. The ligamentous fibers course inferiorly and medially as they cross from the interosseous border of the radius to the interosseous border of the ulna. There may be few opposite oriented bands forming variable posterior laminae to the membrane.

Function

Stabilizes the radioulnar joints. Provides an extensive surface for muscle attachment.

Latin

Membrana interossea antebrachii

French

Membrane interosseuse antébrachiale

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