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
Malabar gliding frog Malabar gliding frog The Malabar gliding frog or Malabar flying frog (Rhacophorus malabaricus) is a Rhacophorid tree frog species found in the Western Ghats of India. The term "gliding" frog refers to its ability to break its fall by stretching the webbing between its toes when making leaps down from the treetops. It can make gliding jumps of 9–12 m, a maximum of about 115 times its length. This frog has a body length of about 10 cm (4 in), making it one of the largest moss frogs. Males are smaller than females. Its back skin is finely granulated and