羽毛球速度的秘密：挥拍幅度真的影响球速吗？ The Secret of Badminton Speed

本视频主要探讨了羽毛球挥拍幅度与球速之间的关系。视频中指出，一般人常误以为挥拍幅度越大，力量就越大，球速也就越快。然而，羽毛球实际上更注重爆发力和贴拍发力。教练解释了，只需用手掌的长度就能将挥速从0提升到极点。如果挥拍幅度过大，早早开始发力，到了真正需要发力的关键点，反而用不出关键的力量。因此，挥拍前半段主要是为了制造向前向下的惯性，真正需要发力的是在靠近球的时候。
The video primarily explores the relationship between the swing range in badminton and the speed of the shuttlecock. Contrary to popular belief that a larger swing range results in greater force and speed, the video emphasizes the importance of explosive power and close-to-racket force. The coach explains that you only need the length of a palm to increase the swing speed from zero to its peak. If the swing range is too large and you start exerting force too early, you won't be able to apply the crucial force when it's actually needed. Therefore, the first half of the swing is mainly to create forward and downward inertia, and the real key point to exert force is when you are close to the shuttlecock.