Interosseous membrane of the forearm

Definition

The interosseous membrane of the forearm is a fibrous sheet that connects the radius and ulna bones, facilitating the transmission of forces and providing stability to the forearm. It also serves as an attachment site for some muscles of the forearm.

Related terms

Radius:

The lateral bone of the forearm when in anatomical position, crucial for wrist and elbow joint movement.

Ulna:

The medial bone of the forearm that forms a major portion of the elbow joint with the humerus.

Pronation and Supination: Movements of the forearm around its longitudinal axis; pronation turns the palm downward while supination turns it upward, both facilitated by rotation between radius and ulna where interosseous membrane plays a role