Merella,
I don't know how the healthcare system works in Australia, but here in the USA it is fairly easy to get a "second opinion". Most health insurance plans will approve a single visit to a different doctor - so you can explain your whole case and ask whether he/she recommends a different ROM. Otherwise, maybe even a skillful PT would know? My doctor told me that as long as I didn't go over 90 deg flex, and as long as I kept things very stable side-to-side, movement was good.

Meanwhile...maybe you're interested in my solution for turning over in bed! (or at least on my side) If I put a big fluffy pillow between my legs from knee to ankle and squeeze the legs together, then I can gently roll over onto my good side (& almost on my stomach). The pillow really cushions and supports the leg. That said, today everything aches - from hip to toes... - and I just wish it would *STOP*.

Ann