This condition involves a fracture of the radius bone, one of the 2 forearm bones, at the elbow.
What are the causes and risks of the injury?
This condition is usually caused by a fall on the outstretched arm. The risk of a radial head fracture are greated in a person who has a disease that limits motion of the elbow or forearm, such as arthritis. Osteoporosis, or thinning of the bones, also increases the risks for fractures.