I share your pain. Mine is not due to diabetes--I think it was caused by taking two days worth of methylprednisolone which triggered some kind of autoimmune reaction in me. Doctors doing rule out which is traumatic in and of itself. No diagnosis yet after a raft of testing. My best advice is to keep moving as stiffness and numbness set in if we plant our bodies on a sofa. I plan to get some kind of physical therapy and/or join a gym with personal training. Acupuncture also might help. I need to halt any progression of this nightmare.