Hinge joints are protected by cartilage and synovial fluid, a gel that assists with lubricating motion in the body. ... These include hinge, ball and socket, planar, pivot, saddle, ...

Ball joints act like hinges and connect the suspension control arms to the steering knuckles with a rotating, spherical stud and a socket, giving the wheels a wide range of movement — from side ...

Ball joints act like hinges and connect the suspension control arms to the steering knuckles with a rotating, spherical stud and a socket, giving the wheels a wide range of movement -- from side ...

Saddle joints are unique types of joints that can move in unusual ways. ... Hinge and ball-and-socket joints are both types of synovial joints. Saddle joints are another type of synovial joint.