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 the spine changes …

Apr 8, 2025 · 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.

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 degeneration.

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 lower extremities.

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 bones that …

Nov 11, 2024 · Learn about L5 pinched nerve symptoms, causes like sciatica, and treatments for pain relief and nerve compression. Explore conservative and advanced care options.

1 day ago · 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 than any of …

Aug 3, 2025 · Understand the L5-S1 spinal segment, its critical function, common problems, what symptoms to expect, and how they are typically managed.

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 condition often …

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 sacrum, forming a …