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
Lost ball warrens, molehills or the like, or where there is a tree in the field of play and no local rule about what happens when it is hit. Previously 'lost ball' could only be called when the ball could not be found. This has resulted in some ridiculous local games where batsmen scored a large number of runs whilst the fielding side fetched a ladder to climb up a tree the ball had got lodged in. (The ball not being lost as it was readily visible.) The current version of the Law prevents this, as now 'lost ball' can also be