Chas Tennis's latest activity

I believe that the term 'spiral spin' is referenced to the ball's trajectory. Since the direction of the trajectory changes because of...

Watch a few banana videos of Rafa and other top pros for inspiration.

Does the ball curve to the curve to the side? In which direction?

For understanding that shot you need clear high speed videos of your stroke and to search for ATP videos of the stroke you want. A...

Look at ATP pros on TV. Watch only the line between the two shoulders. Look at how far the line between the shoulders turns back and...

Compare your stroke video to pro strokes frame-by-frame in this post. zto single frame on Youtube use the period & comma keys. Always...

I keep busy with just trying to understand sub-motions of the ATP serves and strokes using clear high speed videos. Of course, pro...

I looked at his first serve in the video and the racket was so blurry that I could not see it. Looks like a very effective serve result...

I'm talking only about ATP serves or similar high level serves. Was he describing serves and demonstrating motions for an injured...

If there is a clear high speed video, compare it to ATP serves. That will show any differences. ISR is indicated by the racket...

Observations ATP Serves. I don't know what he thought but high speed videos show that ISR starts about 25 milliseconds before impact for...

Do they show any impacts to compare to the video I showed in post #63? Are there clear frames showing impacts in that video? Time? I...

The motion blur does not give a clear picture of your racket positions. A camera view from behind would be very informative. Also...

If you ask how is the foot first touching the court and look at high speed videos to observe it, you can do some statistics on what is...

From memory, I would expect that this impact location is typical. To single frame on Vimeo, stop, hold down the shift key and use the...