Low back pain look like this?
Pain referred from Thoracic level 11 or 12 to upper hip and/or groin and side of hip. Often confused with Low Back Pain of Lumbrosacral or sacroiliac origin. Also known as Maigne Sydrome.
T12 is a transitional vertebrae where the harmonious movement of the spine is broken at this site. Interestingly x-ray of this area will be normal or of minor interest.