Background: Low back pain is a common cause of morbidity in all individuals. An accurate diagnosis regarding the type and extent of pathology is essential for operative as well as non operative treatment. The most widely used diagnostic modality to asses backpain are X-ray and MRI. X-ray though inaccurate, is cheap and readily available along with the drawback of ionizing radiation and less soft tissue detailing. MRI has now been accepted as the best imaging modality for non invasive, non ionizing evaluation of low back pain