Ten-pin bowling ramp in which a bowler will use two hands and push the ball down the ramp onto the lane. There are three widely recognized delivery styles used while the ball is released onto the lane. (See article: Bowling form.) These are the "stroker", "cranker" and "tweener" styles. Lesser used (and newer) styles include "no-thumb" and "two-handed". Strokers often keep their shoulders square to the foul line and their backswing generally does not go much above parallel to the ground. This type of delivery reduces the ball's rate of revolution, thus decreasing its hook potential and hitting power. Strokers rely on
Ten-pin bowling Control Officer (DCO), is Britain's "National Anti-Doping Organization" (NADO). It is a subsection of the internationally recognized and authoritative World Anti-Doping Agency (WADA). WADA is recognised by the Olympic Games and Commonwealth Games of which ten-pin bowling plays a part. In December 2005, at the Premier Tenpin Bowling Club Tour (PTBC), hosted by Airport Bowl, two of Britain's BTBA Nationals Team England were banned for testing positive for chemicals produced from the consumption of cocaine. UK Sport was responsible for the testing and reported their findings to the BTBA governing body. The individuals were subsequently banned for two years, which