Can someone please tell me what small broadbased disk bulge with associated annular tear at l5 / s1 and if that is what is causing my low back,butt pain.This is what mri says my dr says my back is structurely ok and prescribed ultram for pain set me up for physical therepy and said he would release me next visit but my back is not better i have also had 1 set of facet joint shots but thry didnt change anything i just want my back fixed.