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The rules of bowling
1.
hold the ball
When holding the ball, the posture should be correct, and the arms should be clamped
2.
How to hold the ball
Armpits, make sure the body and shoulders are aligned, and the original half-squat position should also be changed to be upright, because if the legs are half-squatted, it will also consume energy. Note that any bending movement consumes energy, as anyone who knows physics should know. It is best not to swing the ball in front of the chest when holding the ball, because many people will inertialy swing the ball to the back to the right. The ball should be held in a position parallel to the right shoulder, and then dragged with the left hand. If the ball is placed in front of your chest, you should also move the ball to a position parallel to your right shoulder when swinging the ball, and then do the swinging action.
3.
pendulum
When swinging the ball, lower the originally bent arm and straighten it and swing it straight back. This position is very important. The higher the position of holding the ball and the higher the swing back, the faster the ball will be. However, many people will deviate from the back stance, pay special attention to the armpits still clamped, and the hands still straight.
4.
shot
When the shot is released, the hand is still straight and cannot be bent. Do not use force, because the ball speed will naturally increase if the posture is correct.