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
Gliding Federation of Australia Gliding Federation of Australia The Gliding Federation of Australia (GFA) is the governing body for the sport of gliding in Australia. It was founded in 1949. The GFA is responsible to Civil Aviation Safety Authority for the conduct of safe gliding operations in Australia. This includes the setting and maintenance of flying standards and in particular training standards. It provides services to its members such as: In Australia, glider pilots are exempt from holding pilot licences but the GFA is responsible for the establishment of pilot certificates. These are regarded highly enough by CASA and the aviation industry to be