Neck of the radius

Definition

The neck of the radius is a narrow area located just distal to the head of the radius, connecting it to the radial shaft in the human forearm. This part allows for the rotation and stability necessary for arm movement.

Related terms

Head of Radius: The rounded, proximal end of the radius that articulates with both the humerus and ulna to enable wrist rotation.

Radial Shaft: The long, main part of the radius extending from below its head and neck to its distal end, giving structural support to the forearm.

Radial Tuberosity:

A bony prominence below the neck on the medial side of the radius that serves as a site for biceps brachii tendon attachment