Piriformis syndrome is usually a neuromuscular ailment in the event the piriformis muscle mass (a pear-shaped muscle inside the buttocks) compresses the sciatic nerve (a nerve that extends through the lower backbone all the way all the way down to the foot). This results in pain while in the buttocks https://www.theorthopaedicandpainpractice.com/lower-back-and-buttock-pain/