My DD broke a big toe in gym two years back, dropped the massive GYMNOVA springboard on it. Hurt like heck for a while, lost her nail all that gross stuff. She had hers taped to the next toe.
Your DD sounds like mine, things just happen to her that get in the way of life. We have an away meet this weekend in Ottawa they have a huge outdoor skating rink 10kms long, but the coach is so worried about DD doing the "usual" , getting hurt, that no one on the team is skating!!!!
As for the coach, I would make a big show of walking in the gym with DD, announce that OMG!!!! DD's toe is broken and wasn't she brave for trying to work through such terrible pain etc etc. This way the coach will have to suck it up, she will know that she screwed up, but you aren't actually accusing her of being a prize b***h.
As for your DD, poor baby, sometimes it just never quits. I really feel for her, just want to give her a hug.
Life just isn't fair sometimes, and it is very hard to see them struggle.
Best of luck GYMNELLIE.