Summary The L5-S1 is also called the lumbosacral joint. It is the part of the spine where the lumbar spine ends and the ...
Herniated nucleus pulposus (HNP), also referred to as a herniated disc, is a common spine pathology ... equina is the lumbar and sacral nerve roots extending from the lowest part of the spinal ...
Herniation may occur anywhere along the spine but most commonly in the lumbar region, usually between the fifth lumbar and first sacral vertebrae (L5-S1). The usual cause is degeneration of the ...