Low (lumbar) Back Pain Discussion with Dr Ali Bydon Posted on October 5, 2010 Posted in All Podcasts, Neurology And Neurosurgery Podcast: Download (Duration: 8:19 — 7.6MB) Subscribe: RSS Low (lumbar) Back Pain Discussion with Ali Bydon, MD, clinical director of the Johns Hopkins Bayview Spine Program and Assistant Director of Neurosurgery.