Summary
The 41.5-inch-wide (105 cm), 60-foot-long (18 m) lane is bordered along its length by semicylindrical channels (commonly called "gutters") which are designed to collect errant balls. The overall width of the lane including the channels is 60-1⁄8-inches (152 cm). The narrow lane prevents bowling a straight line at the angle required to consistently carry (knock down) all ten pins for a strike. Most skilful bowlers will roll a side spinning (hook shape reaction) ball to overcome this. There is a foul line at the end of the lane nearest to the bowler: if any part of a bowler's body touches the line itself or beyond (anywhere on the actual lane surface or any adjoining areas including walls and other lanes) after the ball is delivered, it is called a foul and any pins knocked over by that delivery are scored as zero (0). The bowler is allowed one shot at a new rack of ten pins if he fouled on the first roll of a frame, and if all ten pins are knocked down on this shot, it is scored as a spare. Behind the foul line is an "approach" approximately 15 feet (5 m) long used to gain speed and leverage on the ball before delivering it. 60 feet (18 m) from the foul line, where the lane terminates, it is joined to a roughly 36-inch (91 cm) deep by 41.5-inch (105 cm) wide surface of durable and impact-resistant material called the "pin deck", where each rack of pins is set.
Read more about this topic: Ten-pin Bowling
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