This is very dangerous.

I’ve found balking to affect far more WAG than MAG. That it’s almost always on a backwards skill. And that it tends to be more common around the competitive season. Stress may be one factor.
Gymnastics Mental Coach offers some good advice – How To Remedy Balking In Your Gymnastics Routines…
I love tumbling up on to a table of mats. Good technique. Safer. And it provides no incentive to balk.
More advice here – how to deal with balking

