Bowling, also known as tenpins is one of the most popular recreational games in the world. The player rolls a heavy ball along the lane to knock down 10 pins. It is considered an individual and team sport, and many bowlers play in amateur bowling or professional bowling leagues. The United States Bowling Tournament (USBC) serves amateur adult and youth bowlers in the United States, while the professional bowlers society serves professional bowlers.

A bowling center called "Alley" has an average of 20 lanes, but the largest alley has a maximum of 100 lanes. Each bowling "lane" includes an approach, lane, pin deck, and pit. The approach is at least 15 feet, and the bowler can take several steps to gain momentum before releasing the ball. The approach marks 15 feet, 12 feet, and 6 inches behind the foul line to help aim the ball. The lane is 60 feet long and 41 to 42 inches wide.

The gutter runs along both sides of the lane to catch the misguided ball. Each gutter is 9.5 inches wide. Some lanes have bumpers in the gutter to bounce the ball back toward the pin to support beginners. 먹튀검증 The pin deck is located at the end of each lane and has pin points 1 foot apart where pins forming a 3 foot triangle are placed. The pins are made of wood and plastic and must be 15 inches high and weigh between 3 pounds, 6 ounces and 3 pounds, and 10 ounces. The pit is located behind the pin deck and contains a machine that collects and resets the pins and sends the ball back to the access area over the track. Each bowling alley also includes a scoring record.

Bowlers must use special balls and shoes. Most bowling centers rent it to players, but league bowlers may want to buy their own. Bowling balls must weigh 8 to 16 pounds and match balls must be 8.5 inches in diameter. The bowling ball has three holes, one for the thumb and two for the fingers. It is made of rubber, plastic, urethane, or a combination thereof, and the standard color is black, but it comes in a variety of colors. Bowling shoes feature soft soles that enable movement fluidity during approach.

The bowling game consists of 10 frames. During one frame, each bowler tries to roll twice and knock down all 10 pins. If the first roll knocks down all 10 pins, it's called a strike and it's worth 10 points. The bowler then rolls two more times. The highest possible score in a frame is 30 (3 strikes) and the perfect game is 300 points. If all the pins fall in two rolls, it is called a spare, which is 10 points plus the number of balls. Pin collapsed in subsequent roll. If not all pins have collapsed in both rolls, the score is the number of pins that have collapsed in two pitches. If the pin does not fall, it is called a scratch and there is no score. A player who rolls a spare in the last frame receives an extra ball and a player who rolls a strike in the last frame receives two extra balls.

The bowler must start in the center of the foul line and face opposite the pin and take 4.5 steps forward before turning and heading for the lane. Place the finger of one hand in the hole of the bowling ball and place the weight of the ball on the other hand. The ball should be thrown gently toward the front pin without throwing it too hard or placing it too high off the floor.

The exact history of bowling is unclear, but Egyptians played similar games to bowling thousands of years ago, and games such as boccie and five pins became popular in medieval Europe. Dutch settlers brought the Nine Pin game to North America in the 1620 s and a tenth pin was soon added. In the early 1900s, bowling became popular with both men and women, and automatic pin-setting machines improved bowling in the early 1950s. Bowling soon became a sport for everyone and grew into one of the most popular competitive and recreational activities in the world.