what muscle is right below the buttocks
Piriformis syndrome occurs when the piriformis muscle in the buttock tightens or goes into spasm putting pressure on the sciatic nerve. Symptoms include tenderness and pain in the buttock muscles usually on one side which radiates down into the back the the thigh.ymptoms include pain in either the left or right of the lower back which can vary from a dull ache to a sharp stabbing pain. The pain may radiate into the buttocks and low back and often into the groin.