my body was shaking uncontrollable all over and cold all over (it was 75 degrees in the house) went to bed with extra covers, this did not held for a long time. body hurt all over. when I tried to get out of bed my legs could not support me and I went to the floor and could not move, somebody helped me back in bed laid there for couple hours, was able to get out of bed with a lot of pain. two days have past and fill better can you tell what cause legs to go limp?