Olecranon fracture
Definition The olecranon is the upper (proximal) end of the ulna. It represents the starting point of the triceps brachii muscle. The olecranon is part of the elbow joint and articulates here with the joint roll of the humerus (trochlea humeri). The elbow joint (Articulatio cubiti) is a compound joint consisting of three parts. The … Olecranon fracture