She still HAS her back-handspring. She hasn't lost the physical ability to do it, she just mentality will not go for it.
All right, well then I'm a level 10 and not an aging gymnastics coach. I mean I could do it if...
Seriously, I'm not attacking you. But since there's apparently nothing you can or will do about this situation other than what you're already doing, I'll accept your post as a vent and offer my commiseration. I too coach children who sometimes lose skills.