What Is the Lumbar Spine?
The lumbar spine is the lower section of the back, positioned between the thoracic spine and the sacrum. It contains vertebrae, discs, joints, nerves, and supporting tissues that help carry body weight and coordinate movement between the trunk and legs. Changes in this region may affect back, hip, or leg function.
Quick Facts About Lumbar Spine
Category
Anatomical region
Used for
Assessing lower back and leg-related symptoms
Common confusion
Lumbar spine pain and sciatica are not identical
Also called
Lower back spine, Lower back
Often discussed with
Sciatica Treatment
Key Takeaways About Lumbar Spine
- The lumbar spine is the lower back section of the spinal column.
- Its nerves can influence sensation and movement in the legs.
- Lumbar spine pain is not the same as sciatic nerve pain.
How Lumbar Spine Works
The lumbar spine works as a mobile support section for the lower back. Its vertebrae create a protective channel for the spinal cord and nerve roots, while discs help distribute force between neighboring bones. Facet joints guide motion during bending, turning, and standing.
Related glossary terms: Sciatic Nerve, Nerve Root, Spinal Cord.
Movement in this region depends on coordination among the spine, pelvis, hips, and surrounding muscles. Irritation or restricted motion may influence nearby nerves, which can create symptoms that travel into the buttock or leg. The sciatic nerve is one related structure, but lumbar findings and sciatic nerve symptoms describe different parts of the body.
From the Arrowhead Clinic Chiropractic - Albany team
When we assess the lumbar spine, we consider movement, posture, muscle function, and symptom patterns together. Our team also checks whether leg symptoms follow a nerve-related pattern or remain centered in the lower back. These distinctions help shape a focused approach within Sciatica Treatment.
Lumbar Spine in Practice: A Real-World Example
A person with sciatica may report lower back discomfort that extends through the buttock and leg. During an evaluation, the lumbar spine is examined alongside hip movement, muscle control, and nerve-related findings.
Related Services
Related Terms
Sciatic Nerve
The sciatic nerve is the body’s largest peripheral nerve, formed by nerve roots in the lower…
Nerve Root
A nerve root is the part of a spinal nerve that branches from the spinal cord…
Spinal Cord
Spinal Cord is a long bundle of nerve tissue that carries signals between the brain and…
Facet Joint
Facet Joint is a small synovial joint between the back portions of neighboring vertebrae. Facet joints…
Arrowhead Clinic Chiropractic - Albany
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