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 ...