The lumbar spine rests upon the sacrum. The place where they meet is called the lumbosacral joint, or L5-S1. The muscles in your lumbar spine work with your abdominal muscles to move your torso ...

This paper discusses the theory that subtle lumbosacral canal impingement of the L5 nerve ... with an L2–L4 nerve supply. Many clinicians subscribe to the concept of a “back related” hamstring injury ...

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

According to spine-health.com, the L5-S1 disc is a spinal joint found at the bottom of the lumbar spine (L5) and top of the sacrum (S1). This disc is critical in “supporting the lower back and ...