I have suffering from low back pain I have took M.R.I scan of lumbosacral spine and in the report the report details below M.R.I scan report Technique . T1 weighted and T2 weighted axials /sagittal Report Straightening of the lumbar spine is seen with loss of lordosis-muscle spasm Slight retrolisthesis of L5 and S1 vertebra noted - degenerative Minimal posterior annular bulge is seen at L5 and S1 . Spinal canal, neural forminal and nerve roots are normals The reaming intervertebral discs do not show any significant bulge /protrusion The vertebral bodies are normal in height and signal intensity. No lysis/fracture Can Know the meaning of the report and I feel pain when I stand for more than hour and when I jog morning I will feel pain like muscle catch on my left side of my upper pelvic and when I bend I will feel pain in same spot some time I will get burning sensation in same side I will get pain on left side of pelvic and it will be radiating pain it will not while walking .what is actual problem this is a problem bones, joint or discord spinal chord spinal nervous system or muscles I am totally worried please get me help.