Figure 3From: Occult posterolateral rotatory dislocation of the elbow with olecranon fracture in a child: a case report Image intensifier of instability test. (A) Varus stress image showing enlargement of the radiohumeral joint space, suggesting insufficiency of the lateral collateral ligament. (B) The elbow was easily redislocated with the forearm placed in a supine position.Back to article page