Medically reviewed by Amy Kwan, PT Lower right back pain can come from issues with muscles, discs, joints, or internal organs ...

Muscle spasms can be a source of considerable pain in many people with fibromyalgia and chronic fatigue syndrome. Muscles clench and just won't relax, sometimes in spite of multiple treatments. These ...

Dear Dr. Roach: I’ve had muscle spasms and cramping in my lower legs and feet for quite some time. It almost always happens when I’m laying in bed and in the early morning hours. If I stand up and ...