L5-S1 is vulnerable to misalignment and injury. It can also be the site of a disc herniation or a spine disorder called spondylolisthesis. The spinal column is the structure that allows you to ...

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., ...