L5-S1 consists of the last bone in the lumbar spine (low back), called L5, and the triangle-shaped bone under it, known as the sacrum. The sacrum is made of five fused bones—S1 is at the top ...

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., 2004; Asch ...

Most disc herniations occur at the bottom of the spine at the L4/5 and/or L5/S1 discs. The condition may not always cause symptoms, but the symptoms can include lower back pain, numbness, tingling ...

The two most commonly affected lumbar facet joints are L4–L5 and L5–S1, so the nerves innervating these joints — the L3 and L4 medial branches and the L5 dorsal ramus — are most frequently ...

Axial MRI of the Lumbar Spine - T2 weighted image at the L4 level. On this view centered over the L4-L5 disk, one can see well the cauda equina surrounded by CSF (note that CSF is bright on ...

Pls help I had a L4/5 fusion last year Nov 2006, ... L5/S1Level - There is a grade 1 anterolisthesis of L5 on S1. There are features suggesting a previous partial left L5 facetectomy. There is ...

The sciatic nerve originates from the spinal nerves L4, L5, S1, S2, and S3. Your sciatic nerve extends lower than your vertebrae, and all these nerve fibers join and make the sciatic nerve.

L5-S1 is a high-load bearing level, and placing Motus beneath a Tops device at L4-5 required precise alignment, careful load distribution planning and complete mastery of both technologies.

A 93-year-old woman underwent a successful 2-level lumbar decompression with spinal anesthesia, according to a case study published June 23 in the Journal of Neurosurgery. She had laminectomies at L4 ...

pelvis and lumbar spine xrays indicates cyberdoc Comments. Bookmark. that I have ... space narrowing refer to the disc spaces between vertebrae and spondylopathy L5/S1 means that the two vertebra of ...

An MRI scan revealed severe spinal canal stenosis at L3-L4 and L4-L5, as well as a herniated nucleus pulposus on the right at L5-S1 (Figs 11, 12). DC underwent a L3-L5 decompressive laminectomy ...