The hip and the shoulder are both ball and socket joints that have cartilage, ligaments, labrum, and a surrounding capsule. There are some differences between these joints that influence the treatment for injuries and painful conditions. The hip is much more constrained or inherently stable than the shoulder.
Pivot joint, also called rotary joint, or trochoid joint, in vertebrate anatomy, a freely moveable joint (diarthrosis) that allows only rotary movement around a single axis. The moving bone rotates within a ring that is formed from a second bone and adjoining ligament.