Elbow fractures are any broken bone around the elbow joint.They include among others: * Olecranon fractures * Supracondylar humerus fractures * Radial head fractures The terrible triad of the elbow (not to be confused with the terrible triad of the knee) is a combination of: * A fracture of the head of radius * A fracture of the coronoid process of the ulna * Humeroulnar dislocation (generally posterior or posterolateral) The terrible triad of the elbow is confers joint instability and a major risk of developing osteoarthritis.