Piriformis syndrome is defined as the compression of the sciatic nerve by the piriformis muscle. The piriformis muscle is an important muscle that allows the leg to laterally rotate your leg (away from the midline). Any movement such as walking, or turning, shifting weight from one leg to the other or to even maintain balance, the piriformis muscle is an integral part in these movements. The sciatic nerve is the largest nerve in the human body and its location runs very close to the piriformis muscle either alongside the muscle or piercing through it. Therefore a muscle spasm of the piriformis muscle can cause nerve compression on the sciatic nerve. The sciatic nerve travels down the leg to where it branches out into smaller nerves of the foot. Some SIGNS & SYMPTOMS OF PIRIFORMIS SYNDROME Piriformis Syndrome usually starts with pain and tingling or numbness in the buttocks. Pain can…