Piriformis syndrome is usually a neuromuscular situation once the piriformis muscle mass (a pear-formed muscle during the buttocks) compresses the sciatic nerve (a nerve that extends within the lower spine the many way right down to the foot). This results in pain inside the buttocks and hips. Neurological Signs: Disorders https://www.theorthopaedicandpainpractice.com/lower-back-and-buttock-pain/