Thanks for the info and suggestions.
I have not tried any of these modifications, but I will. I have simply been abstaining from the poses that cause me pain. When I originally wrote, I only experienced the pain during class, but since then it extended to all the time so just about a week ago I stopped doing tree pose, toe stand and keep my leg straight for head to knee in the floor series (on the side that bothered me). My pain has diminished considerably though it is not completely gone.
I will try your suggestions and let you know what happens.
Thanks so much for getting back to me. The Hot Yoga Master Class has really REALLY improved my practice!
Namaste,
Rhonda