Lower back pain? You may have heard your practitioner mention something about your L4-L5 spinal segment. The lower back (lumbar spine) is a fairly complex structure. It consists of 5 vertebrates ...
An MRI scan revealed severe spinal canal stenosis at L3-L4 and L4-L5, as well as a herniated nucleus pulposus on the right at L5-S1 (Figs 11, 12). DC underwent a L3-L5 decompressive laminectomy ...