Consider diving as your therapy. Many years ago I had a bone spur perforate my Achilles Tendon. It was painful and required that my Orthopedist take the tendon off, grind the bone spur off and reattach the tendon. I was told that I would be out of the water for at least half a year and he prescribed all sorts of physical terrorism. Malarky. I married myself to the pool and in a few weeks (3?) I did my first dive in the soupy run off lake at Devil's Den. Vis was horrible, but the water was cool and all weight was removed from my ankle and my body. Kicking was gentle but I felt the pressure. Two days later I was in another spring, being careful going up and down the steps to keep my ankle safe. I even did ocean dives if the seas were 1 ft or less and committed to diving twice a week, never doing a lick of the prescribed PT. During our last visit, my Dr told me this is when he's supposed to berate me for skipping PT, but he wasn't going to do that. In fact, it was the first time he done this procedure and the patient had shown absolutely no atrophy in the leg. A little over a year later I popped the other tendon. Instead of PT, the good Dr prescribed Scuba therapy instead. Imagine that. I got the same results.
Take it slow. I did. Don't give up. I didn't. Let the resistance of the water do its thing and feel the healing. Take comfort in the fact that there are many disabled people who dive. Blind, paraplegics, quadraplegics, amputees and more use Scuba as their therapy. In fact, I am heading to a nearby spring today after lunch to work on my knee. I believe in the magic of Vitamin Sea.