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 (app) apps such as Tinder, made investments into Hinge as early as September 2017. On June 20, 2018, Match Group acquired 51% ownership of Hinge. The organization has the right to acquire all the remaining shares within the next 12-month period. Hinge (app) Hinge is a dating app founded by Justin McLeod in 2012. The app uses connections to Facebook friends to facilitate connections. With a goal to be seen as younger and cooler than Match.com or eHarmony but less superficial than Tinder, Hinge dispensed with Tinder-like swiping and used the slogan "the relationship app". The app has a "Your Turn"