Bowler (ten-pin) competitions. Professional bowlers in the USA are members of the Professional Bowlers Association (PBA). Bowler (ten-pin) A bowler is someone participating in the sport of bowling, either as an amateur or professional. In American ten-pin bowling, a bowler is most commonly a member of a team of three to six people. Most bowling leagues limit the number of team members to five, with alternates available as needed. Scoring a "Kegler" is 12 consecutive strikes in one game of bowling by one individual bowler, otherwise noted as a perfect game with a score of 300 (100% strikes). There are a number
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