Understanding Spinal Discs

The spine is made up of 33 bones called vertebrae that form the spinal column. Between most vertebrae are intervertebral discs, which act as cushions and allow movement.

Each disc has two main components:

Annulus Fibrosus

A strong outer ring of fibrous cartilage that provides structural support.

Nucleus Pulposus

A soft, gel-like center that absorbs pressure and distributes weight across the spine.

Healthy discs help the spine move smoothly and protect the bones from excessive stress. Over time, discs may lose water content and elasticity. When this happens, they can shrink, weaken, or develop tears, leading to degenerative disc disease.

What Causes Degenerative Disc Disease?

Degenerative disc disease most often develops due to natural aging, but several factors can accelerate disc degeneration.

Common causes and risk factors include:

• Aging: Discs naturally lose water content and elasticity over time.
• Genetics: Some people are more predisposed to disc degeneration due to inherited traits.
• Spinal injury or trauma: Falls, accidents, or sudden injuries can damage discs.
• Repetitive strain or heavy lifting: Repeated stress on the spine may contribute to disc breakdown.
• Obesity: Excess body weight increases pressure on spinal discs.
• Smoking: Smoking reduces blood supply to discs, impairing their ability to repair.
• Poor posture or spinal mechanics: Improper movement patterns can increase pressure on spinal discs.

Degenerative changes in the spine are extremely common, and many adults show signs of disc degeneration on imaging studies even without symptoms.

Maintaining good posture and spinal alignment may help reduce stress on the discs and minimize symptoms.

Symptoms of Degenerative Disc Disease

Symptoms vary depending on the location and severity of disc degeneration. Some people experience only mild discomfort, while others develop more persistent pain.

Common symptoms include:

• Chronic lower back pain
• Neck pain or stiffness
• Pain that worsens with sitting, bending, or lifting
• Pain that improves with movement or walking
• Muscle spasms in the back or neck
• Reduced flexibility or range of motion

If disc degeneration places pressure on nearby nerves, additional symptoms may occur:

• Pain radiating into the arms or legs
• Numbness or tingling
• Muscle weakness
• Difficulty walking due to nerve compression

Symptoms may worsen with prolonged sitting, standing, bending forward, or lifting heavy objects.

These symptoms can overlap with other spine conditions such as herniated discs, spinal stenosis, or sciatica.

Degenerative Disc Disease in the Lower Back (Lumbar Spine)

Degenerative disc disease most frequently affects the lumbar spine, which supports much of the body’s weight.

Common symptoms of lumbar degenerative disc disease include:

• Lower back pain that worsens with sitting
• Pain that radiates into the buttocks or legs
• Stiffness in the lower back
• Pain during bending, lifting, or twisting

When degeneration irritates nearby nerve roots, patients may develop symptoms like sciatica, including radiating leg pain or tingling.

Degenerative Disc Disease in the Neck (Cervical Spine)

Degenerative disc disease can also affect the cervical spine, or neck.

Symptoms of cervical disc degeneration may include:

• Neck pain and stiffness
• Pain that spreads into the shoulders or arms
• Headaches that originate in the neck
• Tingling or numbness in the hands or fingers
• Weakness in the arms

If disc degeneration narrows the spaces where nerves exit the spine, it may contribute to cervical radiculopathy or spinal stenosis.

Diagnosing Degenerative Disc Disease

Diagnosis begins with a comprehensive evaluation by a spine specialist. Your physician will review your symptoms, medical history, and perform a physical examination.

During the evaluation, your provider may assess:

• Range of motion
• Muscle strength
• Reflexes
• Areas of tenderness
• Signs of nerve irritation

Imaging tests are often used to confirm the diagnosis and determine the severity of disc degeneration.

Common diagnostic tools include:

X-rays

Used to evaluate disc height and spinal alignment.

MRI (Magnetic Resonance Imaging)

Provides detailed images of spinal discs, nerves, and soft tissues.

CT Scans

May be used to evaluate bony structures of the spine.

Accurate diagnosis allows spine specialists to develop a personalized treatment plan.

Non-Surgical Treatment for Degenerative Disc Disease

Most patients with degenerative disc disease improve with conservative, non-surgical treatment.

Common treatments include:

Hot and Cold Therapy

Ice and heat therapy may reduce inflammation and relieve discomfort.

Medications

Over-the-counter anti-inflammatory medications such as NSAIDs may reduce pain and swelling.

Physical Therapy

Physical therapy helps strengthen the muscles supporting the spine and improve flexibility. Programs often focus on:

• Strengthening core and back muscles
• Improving posture
• Increasing spinal flexibility
• Reducing pressure on spinal discs

Spinal Injections

Epidural steroid injections or other targeted injections may help reduce inflammation and relieve nerve pain.

Many patients experience improvement within several weeks of conservative treatment.

Surgical Treatment Options

Surgery is typically considered only when non-surgical treatments fail to relieve symptoms or when significant nerve compression occurs.

Possible surgical treatments include:

Microdiscectomy

A procedure that removes disc material pressing on a nerve.

Spinal Fusion

Joining two vertebrae together to stabilize the spine.

Artificial Disc Replacement

Replacing a damaged disc with an artificial implant that preserves spinal motion.

Modern spine surgery often uses minimally invasive techniques, which may result in smaller incisions and faster recovery.

Preventing Degenerative Disc Disease

While disc degeneration cannot always be prevented, certain habits may help protect spine health.

Helpful prevention strategies include:

• Maintaining a healthy weight
• Engaging in regular low-impact exercise such as walking or swimming
• Strengthening core and back muscles
• Practicing good posture
• Using proper body mechanics when lifting
• Avoiding smoking

Healthy lifestyle habits can help reduce stress on the spine and support long-term spinal health.

Degenerative Disc Disease Care at OrthoTexas

The spine specialists at OrthoTexas provide comprehensive care for degenerative disc disease and other spine conditions affecting the neck and back.

Our team offers:

• Advanced diagnostic imaging
• Non-surgical spine treatments
• Interventional pain management
• Physical medicine and rehabilitation
• Minimally invasive spine surgery when needed