It seems like this problem could be solved by going to a webpage that lists problem areas and exercises.

Perhaps it should include features that would be useful while doing yoga. Like animations of the exercises, ...

It definitely can be thought of in terms of dither. It "extends" an image into the time domain, then applies dither on the position, as a function of time.

In audio, I have heard very dramatic improvemen...

Vibrate vector based images/fonts to overcome aliasing.