So when the knees stop, the hips speed up, when the hips stop, the trunk speeds up and so on until the shoulders stop and the hitting arm speeds up, giving you the racquet speed which gives you power.

• 因此当膝停止的时候，臀部加速，当臀部停止的时候，躯干加速,依此类推直到肩停止和打击的手臂加速，给你有力量的网拍速度。