What Is the Lumbar Spine?
Lumbar Spine is the lower section of the vertebral column between the thoracic spine and sacrum. It contains vertebrae that support the upper body, protect nerve structures, and help the trunk bend, extend, and rotate. The lumbar region also connects with muscles, discs, joints, and pelvic structures that influence lower-back movement.
Quick Facts About Lumbar Spine
Category
Lower spinal region
Used for
Trunk support and movement
Common confusion
The lumbar spine is not the entire lower back
Also called
Lower back vertebrae, Lumbar region
Often discussed with
Back Pain Treatment
Key Takeaways About Lumbar Spine
- The lumbar spine sits between the thoracic spine and sacrum.
- Its joints, discs, and muscles share movement demands.
- Lumbar spine does not mean the entire lower back.
How Lumbar Spine Works
The lumbar spine works with the pelvis and trunk to support body weight during standing, walking, bending, and lifting. Its vertebrae form a movable column, while discs help distribute pressure between neighboring bones. Facet joints guide motion and help limit excessive movement.
Related glossary terms: Thoracic Spine, Sacroiliac Joint, Facet Joint.
Clinicians assess lumbar function by observing posture, walking, movement patterns, and the relationship between the back and nearby areas. The thoracic spine and sacroiliac joint can affect how movement reaches the lumbar region. A back pain evaluation may also consider muscle tension, joint motion, and symptoms that travel into the hip or leg.
From the Advanced Injury Care Clinic team
When we assess the lumbar spine during Back Pain Treatment, we look at how the lower back moves with the pelvis, hips, and upper spine. Our team considers movement quality, muscle tension, joint motion, and symptom patterns before selecting appropriate care. This helps us address the involved region instead of viewing the lower back in isolation.
Lumbar Spine in Practice: A Real-World Example
A person may feel lumbar spine discomfort while rising from a chair or bending to pick up an object. During Back Pain Treatment, the assessment may examine lumbar movement alongside hip motion and pelvic control.
Related Services
Related Terms
Thoracic Spine
The thoracic spine is the middle section of the vertebral column, located between the neck and…
Sacroiliac Joint
Sacroiliac Joint is the connection between the sacrum at the base of the spine and the…
Facet Joint
A facet joint is a small spinal joint that connects the bones at the back of…
Range Of Motion
Range Of Motion is the available movement at a joint or body region, measured by how…
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Have Questions About Lumbar Spine?
Contact Advanced Injury Care Clinic for practical guidance on Lumbar Spine and related chiropractor work in Hermitage.