<P> The blood supply of a synovial joint is derived from the arteries sharing in the anastomosis around the joint . </P> <P> There are six types of synovial joints . Some are relatively immobile, but are more stable . Others have multiple degrees of freedom, but at the expense of greater risk of injury . In ascending order of mobility, they are: </P> <Table> <Tr> <Th> Name </Th> <Th> Example </Th> <Th> Description </Th> </Tr> <Tr> <Td> Plane joints (or gliding joint) </Td> <Td> carpals of the wrist, acromioclavicular joint </Td> <Td> These joints allow only gliding or sliding movements, are multi-axial such as the articulation between vertebrae . </Td> </Tr> <Tr> <Td> Hinge joints </Td> <Td> elbow (between the humerus and the ulna) </Td> <Td> These joints act as a door hinge does, allowing flexion and extension in just one plane </Td> </Tr> <Tr> <Td> Pivot joints </Td> <Td> atlanto - axial joint, proximal radioulnar joint, and distal radioulnar joint </Td> <Td> One bone rotates about another </Td> </Tr> <Tr> <Td> Condyloid joints (or ellipsoidal joints) </Td> <Td> wrist joint (radiocarpal joint) </Td> <Td> A condyloid joint is a modified ball and socket joint that allow primary movement within two perpendicular axes, passive or secondary movement may occur on a third axes . Some classifications make a distinction between condyloid and ellipsoid joints; these joints allow flexion, extension, abduction, and adduction movements (circumduction). </Td> </Tr> <Tr> <Td> Saddle joints </Td> <Td> Carpometacarpal or trapeziometacarpal joint of thumb (between the metacarpal and carpal - trapezium), sternoclavicular joint </Td> <Td> Saddle joints, where the two surfcaces are reciprocally concavoconvex in shape, which resemble a saddle, permit the same movements as the condyloid joints but allow greater movement </Td> </Tr> <Tr> <Td> Ball and socket joints <P> "universal Joint" </P> </Td> <Td> shoulder (glenohumeral) and hip joints </Td> <Td> These allow for all movements except gliding </Td> </Tr> <Tr> <Td> Compound joints / modified hinge joints </Td> <Td> knee joint </Td> <Td> condylar joint (condyles of femur join with condyles of tibia) and saddle joint (lower end of femur joins with patella) </Td> </Tr> </Table> <Tr> <Th> Name </Th> <Th> Example </Th> <Th> Description </Th> </Tr>

Where is the synovial joint found in the body
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