What is antebrachium?

The antebrachium is the region of the forearm extending from the elbow to the wrist and consisting of two bones: the radius and ulna. The radius is the larger of the two bones and is located on the lateral side of the forearm, while the ulna is on the medial side. The bones are connected to each other by the interosseous membrane, which helps to distribute force across the forearm. The antebrachium contains several muscles that are responsible for movement of the wrist, hand and fingers. These muscles are divided into two groups: anterior (flexor) and posterior (extensor) muscles. The nerves and blood vessels that supply the hand and fingers also pass through the antebrachium. Injuries to the bones, muscles, nerves or blood vessels of the antebrachium can result in pain, weakness or loss of function in the wrist, hand or fingers.