The initial disturbance is fatal problem of general shoot
When you shoot, the initial disturbance can't be avoided. For at beginning, the press between hand and ball is very light. It is easy to arise disturbance when you increase the press to ball.,As graph 1.
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graph 1 |
By my way, hitting the ball, you can avoid the initial disturbance. When you hitting the ball, the press curve is graph 2. There is no initial disturbance. For at beginning, the press is strong enough to avoid it.
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graph 1 |
The initial disturbance change the direction of the ball