Ot is occupational therapy. It helps make your daily life easier. ie stairs, eating, getting dressed, walking, etc. Pt can do some of the same exercizes as ot, but the goals they are trying to accomplish are different. I work on stairs in both pt and ot. In pt, the goal is to strengthen my ankles and work on balance and coordination. In ot, they do it to help with the form and speed and also to make it easier for me if there are stairs somewhere.
Bronco, I was the same way when I started pt. I was going the same amount as you and I was also on crutches (was in right leg, spread to arms and left leg later on) and I could see some progression, but I was also regressing a lot. I never got off the crutches either. My doc said for us to find a different place. After awhile, he found one that a girl before me had completed. She was 11 and had rsd in her left foot I believe and she got discharged after a month and is back dancing again. I think she had stage 1 rsd. My doc wanted me to go and try the place she went to. I was in a wheelchair when I started and on the 5th day, they got me walking

It is a lot of hours I go. Im in the daytreatment program and I go from 8-3 monday through friday. So, my thought on this is try to find another place.
Best of luck
Nikki