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. An<unk>  can also result from falling on the forearm or falling on an outstretched arm. Other causes of<unk> s include sporting injuries, road traffic incidents, falls from a height, and conditions such as osteoporosis and potentially both primary and secondary cancer.
Ulna fracture
Elbow fracture
Humerus fracture
Bosworth fracture
Tillaux fracture
Hume fracture
Duverney fracture
Bimalleolar fracture