Regarding her holding the 'wrong' side of her body, I think everyone's attention is on Ryan tapping what appears to be either the top of her left arm or, as she claims, her rib.
This does not look like a hard hit to the rib which is why no-one believes her.
But if you keep your eyes on Ryan, he actually then moves behind her, still shadow boxing and could well have caught her in the back which would be the ribs on the right side of her body, which is what she might be referring to.
In any case, even if it did hurt, her reaction seems to be over the top. She knows, he knows and we all know that he did not mean to hurt her and his apology, which he freely gave straight away, should have been the end of it. There is no reason that I can see for her to fear being in the same room as him.
I'm surprised there isn't better camera footage though with the hundreds of cameras and mirrors everywhere.