Exercise ball standard exercises, such as a push-up, on an unstable surface can be used to increase activation of core trunk stabilizers and in turn provide increased trunk strength and greater resistance to injury. Fitness Experts and some doctors also recommend sitting on an exercise ball instead of an office chair. That is based on the theory that the abdominal and back muscles are constantly engaged and active to maintain proper posture and balance on the ball. There is no scientific evidence of those benefits occurring by just sitting without additional exercises. However, some people warn against using a Swiss ball as
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