When you are suffering from stress this can cause the piriformis muscle to expand and hold tension.  This muscle is located in the lower back just above the hip joints and close to your discs in your back and also the nerve endings of the sciatica nerve.  You may feel terrible pain, numbness, a burning or tingling sensation in your lower back and all the way down your leg.

People that suffer from this pain have been told that its wear & tear and that they have damaged nerve endings.  Those people who have gotten help managing their stress levels have found they have gotten relief.