Fractures of the equine ulna and olecranon are often caused by direct trauma. In foals, they often result from a fall, whereas in adult horses they frequently occur as a result of a kick by another horse.
2. Fracture types overview
Overview of olecranon fracture types:
Type 1a (only in young foals)
Type 1b (mainly in foals)
In addition there are fractures of the ulnar body, which are usually minimally displaced.