Exercise ball ball, ball, fitness ball, gym ball, gymnastic ball, physio ball, pilates ball, naval mine, Pezzi ball, stability ball, Swedish ball, therapy ball, or yoga ball. The physical object known as a "Swiss Ball" was developed in 1963 by Aquilino Cosani, an Italian plastics manufacturer. He perfected a process for moulding large puncture-resistant plastic balls. Those balls, then known as "Pezzi balls", were first used in treatment programs for newborns and infants by Mary Quinton, a British physiotherapist working in Switzerland. Later, Dr. Susanne Klein-Vogelbach, the director at the Physical Therapy School in Basel, Switzerland, integrated the use of ball exercise
500 (ball game) must wait until the ball touches the ground before they pick it up in order to receive the 100 points at stake. If a catcher's score goes over 500, that person will revert to 0 and will become the thrower, and the thrower will in turn become a catcher. The game can be played using a frisbee instead of the ball. Kick Ball 300 is a variation where the ball is kicked as well as being thrown and caught. It was designed as a training exercise to promote cooperation in competitive games. 500 (ball game) 500 is a ball game