An<unk>  is a break in the<unk>  bone, one of the two bones in the forearm. It is often associated with a<unk>  of the other forearm bone, the radius. An<unk>  can be a single break as in a so called nightstick<unk> , which can be caused by someone being hit on the inside of the forearm often by a stick, notably when they are holding their arm up to protect their head from injury. The<unk>  bone can also break after falling on the forearm or falling on an outstretched arm.<unk> s are more common in both men and women before age 40 and women after age 60. Adolescents who play sports are at higher risk.
Ulna fracture
Elbow fracture
Humerus fracture
Bosworth fracture
Tillaux fracture
Hume fracture
Duverney fracture
Bimalleolar fracture