Ten-pin bowling which govern the sport and have predominant influence over its rules. These two central bodies are based in the United Kingdom and the United States, but their influence and ascendant ruling are highly respected globally and are projected worldwide. Additionally, there is the World Tenpin Bowling Association (WTBA), a part of the WB organization, which governs the sport of tenpin bowling throughout the world of which is divided in three zones; the American Zone, Asian Zone and European Zone. In England, ten-pin bowling is sanctioned and governed by the BTBA (British Tenpin Bowling Association). The BTBA is devoted to the
Ten-pin bowling clockwise (for right handers) or counter clockwise (for left handers) upon release of the ball. Like a conventional release that generates hook, this technique will also cause the ball to move in a curved path rather than in a straight line. However a right handed backup will follow a left handed conventional path, and a left handed backup will follow a right handed conventional path. This style of bowling can be significantly harder to learn for new bowlers and there is increased risk of injury to the wrist, especially when heavier balls are used. However, a right handed backup bowler