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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
