Your forearm has two bones, the ulna and radius, which reach from the elbow to the wrist. The ulna is the bone on the inner part of your arm, and the radius is the bone on the outer part of your arm.

Composed of the radius and the ulnar bones, the forearm is very important for day-to-day functioning, allowing for movements called pronation and supination. A Galeazzi fracture is a fracture of ...