muscle spasm do you get them?

     Do you get muscle spasm? I was told 4 years ago that my RA had gone into my muscles. The past 2 years I've been having alot of muscle spasm. My muscles in my stomach give me the worst trouble. It's actually knot up in a small ball and moves around. It actually feels like I'm pregnant and there is a baby moving around inside of me. Then there are times all I have to do is wiggle my toes or bend over to pick something up off the floor and my muscles will pull really, really tight. I've even had muscle spasms just by turning the stering wheel of my vehicle. I eat bananas to get potassium. I've taken potassium pills. A friend of mine suggested that taking magnesium and calcium together would help- which it did help, but as soon as I slack off on taking them my spasm are right back. So, I was just wondering does anyone else out there with RA have alot of contracting muscles? what do you do for it? has your RA developed into you muscles?

     I take plaquenil 200mg 2times/day, daypro 600mg 2times/day, and predisone 5mg/day for my RA. I take simvastatin 10mg/day for colesterol and mrthyldopa 500mg 2 times/day for high blood pressure.