Annular ligament

Definition

The annular ligament is a strong band of fibrous tissue that encircles the head of the radius, securing it in place within the elbow joint. It allows for the rotation of the forearm while maintaining stability between the radius and ulna.

Related terms

Synovial Joints: These are highly mobile joints surrounded by a fluid-filled capsule, allowing for smooth movements between bones.

Radius: The lateral bone of the forearm when viewed with the thumb side up, crucial for arm movement and function.

Ulna: The medial bone of the forearm which forms part of the elbow joint and plays a key role in arm movement and stability