L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint connects these bones.

Medically reviewed by Isabel Casimiro, MD, PhD Fact checked by Jillian Dara The lumbar spine includes the five vertebrae in ...

Thus, a left L5-S1 disc herniation compresses the left S1 ... such as a large central HNP, located in the spinal canal at the level of the cauda equina. The cauda equina is the lumbar and sacral ...

The FDA has granted 510 (k) clearance to an expandable lateral lumbar interbody system. U.S. Court–Middle District Florida ...

The incidence of acute and chronic pain was high among astronauts both during and after spaceflight, with many experiencing ...

Doctors Matthew Prevost and Mark Prevost II, board-certified and fellowship trained orthopaedic spine surgeons with Alabama Back Institute, are on the forefront of cutting-edge technology advancements ...

This paper discusses the theory that subtle lumbosacral canal impingement of the L5 nerve root may be a relatively common ... “back related” hamstring injury (or more specifically lumbar spine related ...

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 ...

Upon presentation, her back pain had nearly resolved ... A review of her MRI scan revealed a large herniated disc at the L5-S1 level on the right, compressing the right S1 nerve root (Figs ...