Every athlete starts with stretching his/her neck in the horizontal and vertical directions. Can you tell which kind of joint does the neck have so as to allow such movements?
Pivot joints allow bones to rotate. In a pivot joint, a cylinder-shaped bone rotates inside another bone that forms a ring around it. To see how a pivot joint functions, just turn your head from side to side. In your neck, there's a pivot joint between your skull and the top vertebrae that allows your head to turn.