Definition

Lumbar radiculopathy occurs when the spinal nerve roots in the lower back are compressed or inflamed. This can lead to pain, numbness, or weakness in any area from the lower back to the feet.

Area Affected By Lumbar Radiculopathy Copyright © Nucleus Medical Media, Inc.

Causes

Lumbar radiculopathy may be the result of a herniated disc, spinal stenosis, bone spur, or injury affecting the nerve. This causes inflammation or compression of a spinal nerve.

Risk Factors

Factors that may increase the risk of lumbar radiculopathy include:

• Birth defects in the structure of the disc
• Strenuous activity, especially heavy lifting
• Overstretching
• Overweight
• Injury
• Diabetes
• Previous spinal surgery

Symptoms

Lumbar radiculopathy may cause:

• Tingling
• Pain
• Numbness
• Weakness
• Muscle spasms

Diagnosis

You will be asked about your symptoms and medical history. A physical exam will be done.

Tests may include:

• Physical mobility tests
• Pain sensation tests
• Reflex tests
• Electrodiagnostics to test nerve conduction speed

Imaging tests evaluate the spine and other structures. Imaging test may include:

• MRI scan
• CT scan
• Contrast myelography

Treatment

In most cases, lumbar radiculopathy goes away when the cause of the symptoms improves. If problems persist, symptoms can be managed.

Options include one or more of the following:

Prevention

To help reduce the chance of developing some causes of lumbar radiculopathy:

• Maintain proper weight with a healthy diet and regular exercise.
• Learn how to properly lift heavy items.
• Exercise your back to keep muscles strong and flexible.
• Use proper technique when playing sports to avoid back injury.
• Avoid excess straining or stretching of your neck and back.