Personally, I'd hit the ball just like how you do right now. Your stroke looks good. To get good spin, you need a higher swing speed, and that comes from the legs, hence my previous comment.
The Butterfly experiment from 1980 only measured the dwell time for inverted rubber on what appears to be a Jpen and bare blade by shooting a no-spin ball head-on at 28m/s. There appears to be another one that they did for 4mm thick short-pips rubber on a Jpen and bare blade at 25m/s...
Not really. BWF is trying a new service rule right now and tall players are whining. They changed the scoring system multiple times since 2002, from 3x15 to 5x7, then back to 3x15, then 3x21. They wanted to change it again to 5x11 back in May but it was shelved after players complained like...
The NBA has talked about raising the hoop height. They have decreased and increased the 3-point line multiple times. They even tried a ball made of synthetic material before players complained it led to injury.
Volleyball and badminton used to last much longer before implementing the rally...
For the match against Harimoto:
https://udn.com/news/story/7005/3415168
LYJ's coach Huang Chang-chun said Lin played very decisively in game 1, and that he could've taken game 2 and 3, but Harimoto started to suppress his step-around. Both players kept looking for chances on receive and that...