Junior kick

[tennisdad]

No it's the same as the others. He achieves a higher arc simply because he's hitting up on the ball more. Go to this clip and start watching from a round 12:00. It will give you a good idea about what to look for and, more importantly, how you might achieve it.

https://www.youtube.com/watch?v=BqYg_IShYCQ

Thanks. Good Stuff.

[tennisdad]

Guys, my kiddo hits a twist serve with forward racket tilt hitting from 8-2. I am not sure ISR is compatible with twist spin.