Chapter 9, Problem 20RQ

Dislocations involving synovial joints are usually prevented by all of the following except (a) structures such as ligaments that stabilize and support the joint, (b) the position of bursae that limits the degree of movement, (c) the presence of other bones that prevent certain movements, (d) the position of muscles and fat pads that limits the degree of movement, (e) the shape of the articular surface.