I have no personal experience of the disorder in cats but did recognize the medical term since it is a human disorder also. This can be helpful because results of research in one species can be beneficial to another. In humans, it's a nuisance that impacts quality of life to some degree, but it doesn't have a great impact on overall health. You must be relieved that it is something that she can live with, though giving gentle excercise to a young cat is going to be challenging. Are you corresponding with Ken Pope?