Exercise ball a chair because of ergonomic considerations or biomechanical reasons. This large plastic ball, known as a "birth ball", can also be used during labour to aid the descent of the fetal head into the pelvis. Sitting in an upright position will also aid fetal positioning and is more comfortable for the woman. Sitting on the ball with arms placed on a bed, table or otherwise sturdy object for support and gently rocking the hips may help the woman during contractions and aid the natural physiological process of birth. Exercise ball An exercise ball, also known as a Swiss Ball, is
Zombie ball appear that the cloth is being pulled about by the ball, as opposed to being under the magician's control. Glorpy, the "trick of the millennium", is essentially the zombie ball without the ball. Zombie ball The zombie ball is a classic magic trick first introduced by Joe Karson in the 1940s. It remains a staple of many shows to this day. called it one of the most popular tricks in the world. The magician places a large metal ball on a small pedestal on a table. The ball is then covered with a large silk cloth which the magician holds