The L5-S1 spinal motion segment, also called the lumbosacral joint, is the transition region between the lumbar spine and sacral spine in the lower back. In this region, the curvature of …

Apr 8, 2025 · The lumbosacral joint (L5-S1) connects the lumbar spine and sacral spine. Learn more about its anatomy, function, and potential issues.

The L5-S1 segment sits at the base of your spine, where the lumbar spine meets the sacrum. This area is crucial for movement and stability, but it’s also highly vulnerable to injury and …

L5-S1 nerve damage often causes sharp pain that radiates from your lower back down to your foot. You may feel numbness, tingling, or nerve pain in your hip, leg (sciatica), or toes. This …

Jul 24, 2023 · The L5 S1 joint (or the lumbosacral joint) is a combination of the fifth lumbar vertebra and the first sacral vertebra. It is an important joining that connects the trunk to the …

Oct 17, 2025 · The fifth lumbar vertebra (or the L5 vertebra) is the largest and most inferior of the lumbar vertebrae. As the last of the lumbar vertebrae, the L5 vertebra bears more body weight …

Nov 9, 2024 · Learn about L5-S1 stenosis, its symptoms, and the best treatments for lumbar spinal stenosis, facet joint issues, and degenerative disc disease.

Aug 22, 2024 · What is the Lumbar Spine? The lumbar spine is made up of 5 vertebrae, labeled L1-L5. These vertebrae are responsible for supporting the upper body and allowing for …

Feb 17, 2022 · Your lumbar vertebrae, known as L1 to L5, are the largest of your entire spine. Your lumbar spine is located below your 12 chest (thoracic) vertebra and above the five fused …

Nov 1, 2023 · L5, the fifth lumbar vertebra, is the lowest and largest of the lumbar vertebrae, and it plays a central role in supporting the lower back and connecting the lumbar spine to the …