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Radiculopathy / Pinched Nerve

Understanding the Symptoms, Causes and Treatments

Understanding Radiculopathy / Pinched Nerve

Radiculopathy refers to damage or irritation of nerve roots that exit the spine. This is commonly referred to as a “pinched nerve.” At each vertebral body level in the spine, a nerve exits and travels in a specific path to skin and muscles. In the low back this nerve travels to the leg, in the cervical spine it travels to the arms, and in the thoracic spine it travels to the chest. Generally, these patterns are the same for all people although there can be some slight variation. We refer to this specific map of nerves as dermatomal patterns.

Nerves are responsible for these three main functions: pain, sensation and strength. Pain is usually the first sign of nerve irritation and may be felt many different ways such as a deep, dull, and achy pain or a sharp, shooting pain along the path of the nerve affected. Sensation changes tend to occur first as pins and needles or tingling and can progress to numbness. Strength changes may be subtle in certain muscle groups or be quite noticeable. Because the nerves are responsible for these functions, compression (or ‘pinching’) of a nerve may result in pain, sensation changes, or weakness at different locations on your body.

Causes of Radiculopathy / Pinched Nerve

Nerve roots that exit your spine can be compressed by several ways. Degeneration of the discs in the spine or bone spurs associated with arthritis can both cause these symptoms of radiculopathy.

Disc herniation: A disc herniation occurs when a tear in the outer ring of the disc, called the annulus, allows central disc material, called the nucleus, to squeeze through the tear. An annular tear (link word) can happen at any place in the outer ring of the disc. The spinal canal is home to the spinal cord and surrounding nerves, when there is extra material not typically in that space it can place pressure on the nerves causing symptoms. The disc material itself is very acidic and with a tear and associated release of chemicals it causes significant irritation and inflammation on surrounding nerve roots, leading to radiculopathy.

Bone Spurs: Bone spurs form over time in response to arthritis or degenerative changes. Bone spurs can occur anywhere on the bone. When they form inside the foramen (or hole) where nerves exit through, this reduces the normal space available for a nerve root to “live” and causes irritation to the nerve. We call this foraminal stenosis. A nerve root being pinched by a bone spur can cause the same symptoms as a herniated disc since both processes can cause nerve irritation as the nerve exits the spinal canal.

Symptoms of Radiculopathy / Pinched Nerve

When the compressed nerves start to lose blood supply, an inflammatory cascade happens. This leads to the following pain and discomfort:

  • Pain and burning in the neck, shoulders, arms and fingers
  • Pain and burning in the low back, buttocks and legs
  • Weakness
  • Numbness
  • Tingling

Diagnosing Radiculopathy / Pinched Nerve

Usually, a careful physical examination will identify the source of the symptoms. At your initial consultation your spinal specialist will perform a thorough history and comprehensive physical exam to understand your condition. Your exam includes neurologic tests to assess for any sensory changes, strength changes, reflex abnormalities and specific tests will be done which may reproduce your pain. Certain exam findings may show the cause of your symptoms and identify which nerves are involved. In addition, diagnostic tests are also used to fully evaluate a patient’s spinal anatomy. These diagnostic tests may include x-rays, MRI scans, and/or EMG testing of your extremities. Which studies are ordered are determined through your history and physical exam.

Treatment Options

There are many different treatment options available for radiculopathy; recommendations depend on your level of pain, length of symptoms, and degree of abnormal findings on exam. Medications are commonly used to reduce inflammation, control pain, and manage any resulting muscle spasms. You may be prescribed a short course of oral steroids to reduce inflammation and/or NSAIDs (non-steroidal anti-inflammatory drugs), both of which are very effective in reducing overall inflammation. Other conservative treatments include quality physical therapy. Spine-specialized physical therapy is used to assist in calming pain and inflammation, increasing mobility, and improving stability and strength. Skilled physical therapists use many different modalities for spinal rehabilitation including cervical traction, manual manipulation, ultrasound, electric stimulation and dry needling. Learn more about therapy at the Virginia Therapy and Fitness Center and how their spine specialized Physical Therapists can help you.

When oral medications are not effective or symptoms are severe enough, a steroid injection can be used to effectively control pain and inflammation. The steroid injection delivers targeted steroid medication directly to the affected site and can provide short-term to lasting relief. At the Virginia Spine Institute, the needle placement for steroid injections is guided by x-ray to ensure correct placement.

Surgery may be recommended if symptoms have not responded to conservative therapy or there is significant or dangerous neurological damage. Surgery is done to remove a portion or all of a damaged disc and free up any narrowed space for the nerves. If surgery is needed, your surgeon will discuss which surgery is most appropriate for you.

Microdiscectomy →

Laminectomy →

Cervical Spinal Fusion →

Lumbar Spinal Fusion →

Disc Replacement →

Hybrid Surgery →

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Our Doctors That Treat Radiculopathy / Pinched Nerve

Dr. Christopher Good

Spine Surgeon
President of Virginia Spine Institute

Dr. Colin Haines

Spine Surgeon
Director of Research

Dr. Ehsan Jazini

Spine Surgeon

Dr. Thomas Schuler

Spine Surgeon
Founder of Virginia Spine Institute
Chief Executive Officer

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Reviewed by: Dr. Christopher Good.