There are two main types of joints (Synovial and Fibrous). Synovial joints are designed to allow large range of movements and are lined with a slippery coating called  synovium. Fibrous  joint movement is limited by fibrous tissue. the synovial joints can be subdivided, again depending on the range of movement of which they are capable.

 

Hinge joints, such as the ones at the elbow and knee, allow bending and straightening movements, Gliding joints allow sliding movements in all directions because the opposing bone surface are flattened or slightly curved. Joints that can be moved in any direction such as the hip and shoulder are called ball-and-socket joints.

Written by Medpages Editorial Team
Last Editorial Review: 18/1/2010