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Body movements, Types of Joints, , 1. Fixed joints: The joints where no movement of, bones is possible are called fixed joint. The joints in, the skull bone (cranium) are examples of fixed or, immovable joints., , 2. Moveable joint: Movement is possible in these, joints. There are two types of movable joints:, , o Freely movable joints and, e Partially movable joints., , There are four types of movable joints in the body; which, are as follows:, , 1. Ball and socket joint: In this joint the rounded end, of one bone fits into the cavity (hollow space) of, another bone. It permits movement in all directions., The joints between shoulder and the upper arm is an, example of ball and socket joint. Similarly, the joint, between thigh and hip is an example of ball and, socket joint., , . Pivot Joint: This type of joint allows movements in, , many planes, viz. up and down, side to side, , movements. The joint between the skull and the, vertebral column is an example of pivot joint., , Hinge joint: This joint is similar to the hinges in a, , door. This joint allows movement only in one plane, , and only up to 1800. The knee joint and elbow joint, are examples of hinge joint., , Nu, , w