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 British Tenpin Bowling Association. These rules are followed by all certified leagues and events, such as tournaments. This information is clarified by the World Tenpin Bowling Association in its "Statutes and Playing Rules". The sport of ten-pin bowling is performed on a straight, narrow surface known as a lane. This bowling lane is from the foul line to the head pin (1-pin). About from the foul line are a set of guide arrows. The lane is wide and normally consists of 39 wooden boards (commonly rock maple in the "heads", which is the first 15 feet of lane, and in