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
Five-pin bowling bowlers use a number of terms to denote the results of a throw: All modern bowling centres use automated pin-setting machines (first used in 1957) to reset the pins after each ball is thrown. In five-pin, two types of pinsetters are used—"string" and "free fall". The "string" pinsetter is known for each pin having a string attached to the head. These pinsetters were first invented in 1963 and are characterized by a string being attached to the head of each pin. This type of pinsetter has a low operating cost, so it is the most commonly used type of pinsetter.