Interosseous membrane of the forearm

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Interosseous membrane of the forearm
The Supinator. (Interosseous membrane labeled at center.)
Latin membrana interossea antebrachii
Dorlands/Elsevier m_08/12522097

The interosseous membrane of the forearm is a fibrous sheet that connects the radius and the ulna. It is the main part of the radio-ulnar syndesmosis, a fibrous joint between the two bones.

The interosseus membrane divides the forearm into anterior and posterior compartments, serves as a site of attachment for muscles of the forearm, and transfers forces from the radius, to the ulna, to the humerus.

See also