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
Speed-ball in a base from 40 kg to 90 kg. The ball is elliptic and is hit with a rigid plastic racquet with a small handle and a strings around 25 cm of diameter. The speed-ball court is about 6x4 m. for the single match and 8x6 m. for the doubles. Speed-ball is played alone (super-solo), with two players (single match), or four players (double match),or four players (relay) In "Super-solo", the aim is to hit the ball a maximum times in one minute. At first with the right hand, then a minute again with the left hand, then with two