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 …

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.

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.

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.

1 day ago · Explore the L5 vertebra, the spine’s main weight-bearer. Learn its unique anatomy, nerve connections, and why it is prone to lower back pain.

3 days 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 …

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 …

May 10, 2025 · Understanding what this diagnosis means, how it appears on medical imaging, and what treatment options are available can help you make informed decisions about your health. This article …

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.

The L5 vertebra, or the fifth lumbar vertebra, is the lowest bone in your lumbar spine, situated just above the sacrum. It plays a crucial role in supporting your upper body, enabling movement, and protecting …