Hinge Joint - like the hinges on a door, and allow you to move the elbow and knee in only one direction. They allow flexion and extension of a joint, Ball and socket joint - can be found at the shoulder and hip and allow movement in almost every direction. A ball and socket joint is made up of a round end of one bone that fits into a small cup-like area of another bone., Pivot - found in the neck between the top two vertebrae. It allows only rotational movement such as moving your head from side to side as if you were saying 'no'., Condyloid - found at the wrist. It allows you to flex and extend the joint, and move it from side to side.,

Skeletal System

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النمط البصري

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