Skip to content
Glossary

What Is Lumbar Spine?

Lumbar Spine is the lower section of the spinal column between the thoracic spine and the pelvis. It contains vertebrae, discs, joints, nerves, and supporting muscles that help carry body weight and allow bending, turning, and coordinated movement. Changes in this region can contribute to localized low back pain or symptoms that travel into the leg.

Quick Facts About Lumbar Spine

Category

Spinal anatomy

Used for

Assessing lower back movement and symptoms

Common confusion

The lumbar spine is not the entire lower back

Also called

Lower Back Spine, Lumbar region

Often discussed with

Back Pain Treatment, Spinal Decompression Therapy

Key Takeaways About Lumbar Spine

  • It forms the lower, weight-bearing section of the spinal column.
  • Its joints, discs, muscles, and nerves work together during movement.
  • Low back pain does not always come from the lumbar spine alone.

How Lumbar Spine Works

Hands hold a spine and pelvis model on a desk in a dim office

Lumbar spine mechanics depend on several connected structures working together. The vertebrae provide a stable framework, while the intervertebral discs help distribute pressure between adjacent bones. Small joints guide movement, and nearby muscles help control posture and motion.

Related glossary terms: Thoracic Spine, Intervertebral Disc, Facet Joint.

Clinicians consider how the lower back moves during bending, extension, and rotation. They also review symptom location, muscle control, nerve-related changes, and activity limits. A finding in the lumbar spine does not automatically identify the source of pain, so a full assessment considers the surrounding hip, pelvis, and nervous system.

Two people study a lumbar spine model beside a monitor showing “LUMBAR SPINE” and a spine diagram

From the Arrowhead Clinic Chiropractor Garden City team

When we assess the lumbar spine during Back Pain Treatment, we review movement, posture, muscle control, and reported symptoms together. Our team also considers whether discomfort stays in the lower back or follows a pattern into the hip or leg, because that distinction can guide the clinical assessment.

Lumbar Spine in Practice: A Real-World Example

A person may report lower back discomfort while sitting, lifting, or standing. During Back Pain Treatment, the clinician may examine lumbar movement and nearby muscle control to understand which activities reproduce the symptoms.

Related Terms

Thoracic Spine

Thoracic Spine is the middle section of the spinal column between the neck and lower back…

Intervertebral Disc

An intervertebral disc is a flexible cushion between neighboring vertebrae in the spine. Each disc has…

Facet Joint

A Facet Joint is a small synovial joint at the back of the spine that connects…

Nerve Root

A nerve root is the portion of a spinal nerve that branches from the spinal cord…

Arrowhead Clinic Chiropractor Garden City

Have Questions About Lumbar Spine?

Contact Arrowhead Clinic Chiropractor Garden City for practical guidance on Lumbar Spine and related chiropractor work in Garden City.

(912) 480-0046