I have been getting cramps or what I call Charly horses in my legs, back and arms for quit some time now. (6 months or so) They have gotten so bad that they keep me up at night, and they don t go away no matter what I try. I have a cramp in my upper right arm that has been there now for over a week. I am having a hard time lifting my arm past my solder. My leg cramps get so bad I can t walk and when I try it is like I am walking in slow motion and in great pain! Is this from a lack of some vitamin or the beginning of a muscle disorder? I keep thinking it will go away, and it use to, for a few days, but it is not going away anymore. Whats do you thing this could be?