The piriformis is a muscle in your buttocks, right behind the hip joint, running from your lower back to the outer hip bone. Piriformis syndrome is caused when the muscle and its tendon are too tight and pinch, rub, or tether against the sciatic nerve, causing pain and irritation to the nerve. It also leads to a decrease in blood flow to the area. There are no specific tests that can be done to accurately diagnose the syndrome, which leads…
