Muscle spasms in the middle back can often be relieved by stretching. If that doesn't help, try hydrotherapy—ice, moist heat, or a warm bath or shower. Over-the-counter pain relievers like Aleve ...
Psoas syndrome is an injury or irritation of one of these muscles. This can cause pain in lower back, butt, groin, or hip. One of the most effective treatments for psoas syndrome is physical ...
A frequent source of lower-back pain comes from two muscles you might not have heard of—and that makes sense since you rarely see them on those medical posters of human anatomy in doctor's offices.