Herniated nucleus pulposus (HNP), also referred to as a herniated disc, is a common spine pathology that occurs approximately 95% of the time at the L4-L5 or L5-S1 level (Fisher et al., 2004; Asch ...

Lumbar disc herniation is one of the most common structural changes in the lower back and the most common cause of radiating pain, or sciatica, in the leg. Hereditary risk factors for disc herniations ...

Lumbar spinal stenosis (LSS) is any narrowing in the lumbar spinal canal or lateral recess. It can be developmental, congenital, or acquired. This article discusses acquired degenerative lumbar ...