The Radius: An Overview
The radius is one of the two bones in the forearm, with the ulna being the
other. It is a long bone, and it is located on the thumb side of the forearm.
The radius plays a crucial role in the movement and function of the
forearm and hand.
Anatomy & Structure
The radius is smaller at its proximal end, which is located near the elbow,
and becomes larger as it moves down towards the wrist. It has a rounded
head at its proximal end that helps form the elbow joint. The shaft of the
radius is triangular in shape and has three borders and three surfaces.
Borders & Surfaces
The three borders of the radius are the anterior, posterior, and lateral
borders. The anterior border is sharp and thin, while the posterior border
is more prominent and rounded. The lateral border is located between the
The radius is one of the two bones in the forearm, with the ulna being the
other. It is a long bone, and it is located on the thumb side of the forearm.
The radius plays a crucial role in the movement and function of the
forearm and hand.
Anatomy & Structure
The radius is smaller at its proximal end, which is located near the elbow,
and becomes larger as it moves down towards the wrist. It has a rounded
head at its proximal end that helps form the elbow joint. The shaft of the
radius is triangular in shape and has three borders and three surfaces.
Borders & Surfaces
The three borders of the radius are the anterior, posterior, and lateral
borders. The anterior border is sharp and thin, while the posterior border
is more prominent and rounded. The lateral border is located between the
