By Lisa Copen "Here, Mom, hold my hand and I will help you," my son says. We have just left his Tae Kwon Do studio and we're parked nearby in the disabled parking spot. When I stood up from the chair my knee went out. . . again. The eighteen years of rheumatoid arthritis have caused my knees to be filled with brittle pieces of bone that have broken off, calcium deposits, and calcified blood clots. As we walked out the door, I held the door frame, trying to get out of the way of the swarm of sweating students. A piece of something in my knee is stuck in a bad place and I can barely put weight on my leg. My leg will not unbend all the way. I was stricken with intense pain but trying to not show it, as I didn't want his friends to … [Read more...]