Ball and socket joint Ball and socket joint The ball and socket joint (or spheroid joint) is a type of synovial joint in which the ball-shaped surface of one rounded bone fits into the cup-like depression of another bone. The distal bone is capable of motion around an indefinite number of axes, which have one common center. It enables the bone to move in many places (nearly all directions). An enarthrosis is a special kind of spheroidal joint in which the socket covers the sphere beyond its equator. Examples of this form of articulation are found in the hip, where the round head of
What Kind of Fool What Kind of Fool "What Kind of Fool" is the title of a vocal duet from 1981 (see 1981 in music) by singers Barbra Streisand and Barry Gibb. The song was written by Gibb and Albhy Galuten. The songs on the "Guilty" album were a collaboration between Streisand and all the members of the Bee Gees, including Barry's brothers, Robin and Maurice Gibb. But Barry Gibb played the largest role of the brothers on the album, co-writing and co-producing all of the tracks, appearing on the album cover embracing Streisand, and singing two duets with her. Co-producer Karl Richardson was