In demonstrating examination procedures of various joints throughout the body, inevitably on occasions positive signs are found upon applying specific tests. Recently, when testing for gleno-humeral laxity using the sulcus sign, we have observed two subjects who have displayed joints that sublux. In both instances there has been no previous history of trauma and there is no discomfort experienced on either subluxation, or reduction of the joint. They may each be classified as 3rd degree subluxations.
Here are links to each of the subjects actively subluxing glen-humeral joints: