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
You Know What It Is director and friend Chris Robinson. On June 12, the video was made available on iTunes. The video premiered MTV's "TRL" on June 14, 2007. The video features cameo appearances from B.G., Kymani Marley, and P$C. You Know What It Is "You Know What It Is" is a song by American hip hop recording artist T.I., released July 10, 2007, as the second single from his fifth studio album "T.I. vs. T.I.P." (2007). The song was produced by Jerry "Wonda" Duplessis and Wyclef Jean, the latter of whom contributes vocals throughout the track. It debuted at #73 on Billboard's R&B/Hip Hop