The lumbar spine usually curves slightly inward, called lordosis. Problems with the lumbar spine may cause pain and limited motion in your back or hips. In a normal, healthy spine, the five lumbar ...

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., ...

It was most common at the L5/S1 level ... of lumbar disc degeneration than the normal population. A more detailed follow up study should be considered to investigate which particular training ...