Exercise ball balls have been jumped across at 8.31 seconds.The record for the farthest jump between two Swiss balls was also made by Neil at a distance of 2.3 meters in 2012 A primary benefit of exercising with an exercise ball as opposed to exercising directly on a hard flat surface is that the body responds to the instability of the ball to remain balanced, engaging many more muscles. Those muscles become stronger over time to keep balance. Most frequently, the core body muscles — the abdominal muscles and back muscles — are the focus of exercise ball fitness programs. A major
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