Ten-pin bowling back row, then three, then two, and finally one in the front at the center of the lane. To ease communication, pins are numbered one through ten, starting with "head pin" in front, and ending with ten in the back to the right. Because of the spacing of the pins and the size of the ball (about in diameter), it is impossible for the ball to contact all pins. Therefore, a tactical shot is required, which would result in a chain reaction of pin hitting pin in a process called "pin scatter". In an ideal shot for a right-hander, the
Ten-pin bowling pins. Other bowlers utilize the dots if they find themselves pulling their body up at the foul line (the shoulders should stay level throughout the entire approach,) as this is usually caused by them thinking that the arrows are too far out at the lane. Advanced players often use the lane boards themselves to line up shots that require them to aim between arrows. The conventional bowling footwork styles use either a four- or five-step approach beginning 8 to 16 feet (2.4 to 4.8 meters) behind the foul line. In the typical four-step approach, the ball is pushed away from