Exercise ball Exercise ball An exercise ball, also known as a Swiss Ball, is a ball constructed of soft elastic with a diameter of approximately 35 to 85 centimeters (14 to 34 inches) and filled with air. The air pressure is changed by removing a valve stem and either filling with air or letting the ball deflate. It is most often used in physical therapy, athletic training and exercise. It can also be used for weight training. The ball, while often referred to as a Swiss ball, is also known by a number of different names, including balance ball, birth ball, body
No-ball a no-ball, in which case he is reinstated. If the batsmen have crossed in running, the batsmen do not return to their original ends. Video review may also reveal that a no-ball should NOT have been called, in which case the ball becomes dead at the time of the on-field call. Further consequences can occur in cases when the on-field decision has been overturned. For example, the batsman is given out LBW, but the ball runs away off his pads, for what would be 4 leg-byes that win the game. The bowling side is thought to have won. The review