Debbie,
The fact that you have attained 100 degrees of flexion by this stage is a very good sign. That fascia can be worked on and can be restored to some degree. Try to see if you can find a massage therapist who has special training/certification in fascial release/manipulation. It is not a comfortable thing to have done, but once done, the outcome can be quite amazing.
I have a patient that had a double knee replacement done a few years ago. He had them both done at the same time due to severe arthritis. He worked really hard in rehab and did his exercises religiously; just as you are doing. He was back on his horse within 8 months and was back to competitive roping within the year. He had his surgery when he was 70 and is now just turning 74. Still rides and competes.
Another patient who had a single complete done, did the same thing. Worked really hard at rehab and did his exercises. He only missed one down hill ski season and has been on the hill every one of the last 4 years. He also works in forestry, so spends his days walking through the bush on rough ground. He was 46 when he had his surgery and just turned 50.
You can do it...you're further along the path to recovery that you think. Neither of those two guys had the range of motion that you do so soon after the surgery.
You go girl!
With love, Erika