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
Three-ball 2 and 3 balls) are racked either in a triangle — usually aluminum, wooden or plastic, like a miniature eight-ball or snooker rack — with the apex ball on the , or in a straight line, again with the lead ball on the foot spot, and the other balls behind it, lined up toward the center of the . No particular arrangement is necessary, as there is no specific order in which the balls must be pocketed, nor do any of them have specific point values. Racking is often simply done by hand, though there have been at least two