Pivot joint Pivot joint In animal anatomy, a pivot joint (trochoid joint, rotary joint, lateral ginglymus) is a type of synovial joint. In pivot joints, the axis of a convex articular surface is parallel with the longitudinal axis of the bone. According to one classification system, a pivot joint like the other synovial joint —the hinge joint has one degree of freedom. Note that the degrees of freedom of a joint is not the same as the same as joint's range of motion. Pivot joints allow for rotation, which can be external (for example when rotating an arm outward), or internal (as
Hinge and Bracket Radio 4 series "The Enchanting World of Hinge and Bracket", which ran from 1977 to 1979. Their TV show "Dear Ladies" was shown on BBC Two from 1983 to 1985. "The Random Jottings of Hinge and Bracket" ran on BBC Radio 2 from 1982 to 1989 and "At Home with Hinge and Bracket" ran for a single series in 1990. Hinge and Bracket Dr Evadne Hinge and Dame Hilda Bracket were the stage names of George Logan and Patrick Fyffe respectively. The characters of Hinge (somewhat brittle and acerbic) and Bracket (more flamboyant) were elderly intellectual female musicians; in these