Describe the structure of a synovial joint.

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Joints are classified as per their degree of movement.

(1) Synovial joints are freely movable and flexible which allow for a variety of movement.

(2) The bones of synovial joints are joined and stabilized by ligaments that form a capsule and the capsule is lined with synovial membrane.

(3) Bones are separated by a thin fluid-filled cavity.

(4) Different types of synovial joints allow different types of movements. A hinge joint, such as the knee and elbow, allows movement in one direction only like the hinges on a door. Ball-and-socket joints form the hip and shoulder and allow movement in all planes including rotational movement.

answered by Andrea
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