Bowling form one and three pins. There are countless ways a bowler can achieve a strike. However, the goal for a bowler on every first ball is to achieve a strike using the method that generates the highest strike percentage. A "perfect strike" is a strike where the ball hits only four pins: the one, three, five and nine pins. The ball enters the one-three pocket, and then falls into the pit area to the right of where the eight pin previously stood. A stroker is a type of player in ten-pin bowling who releases his or her bowling ball in a
Ten-pin bowling determining success in the sport of bowling." The USBC completed data analysis and released a lengthy report on its website (www.bowl.com) to the public in the spring of 2008. As of April 1, 2009, The USBC now regulates the chemical surface roughness of all bowling balls manufactured for certified ten-pin bowling. This specification is a direct result from the ball motion study, as the surface roughness of the coverstock of a bowling ball was the number one variable (out of 18) that affected the strength (how much a ball hooks) of a bowling ball. The radius of gyration specification has