Ankle sprain represents trauma to the foot. By definition a sprain is a injury to a ligament, which connects bone to bone. During an ankle trauma there may be other injuries as well, such to injury to tendons or bones. It is important to have the condition examined to make sure more severe injuries do not go untreated. Also, old ankle sprains may have pain. In these cases they may be treated by extracorporeal shockwave therapy. For more information, please click this link.