Neck & Arm Conditions
Cervical Disc Herniation
A cervical disc herniation occurs when disc material in the neck moves beyond its normal boundary. It may cause neck pain, irritate an exiting nerve, or—less commonly—place pressure on the spinal cord.
Overview
The cervical discs sit between the vertebrae of the neck and help absorb load while allowing motion. Each disc has a durable outer ring surrounding a softer center. A herniation develops when the outer ring weakens or tears and disc material bulges or escapes beyond its usual margin.
The clinical effect depends on direction and location. A posterolateral herniation may narrow the neural foramen and irritate an exiting nerve root, producing cervical radiculopathy. A larger central herniation may reduce space for the spinal cord and contribute to myelopathy. Some herniations cause primarily local neck or shoulder-blade pain.
Herniations may follow lifting, pulling, twisting, impact, or an awkward neck movement, but many occur without one memorable injury as a disc gradually loses flexibility. Mechanical pressure and chemical inflammation both contribute to symptoms, so the amount of pain does not always match the size of the finding on MRI.
Disc protrusions are also common in people without symptoms. Diagnosis requires the side and level of the herniation to match the history and neurologic examination. Treatment is directed at the patient’s pain, strength, cord function, functional loss, and goals—not at the scan alone.
Symptoms
Symptoms vary according to whether the disc irritates the disc and surrounding joints, an individual nerve root, or the spinal cord. Arm symptoms often follow a recognizable pathway, while cord symptoms may affect the hands, balance, and legs.
Neck & shoulder-blade pain
Pain may remain in the neck or spread toward the shoulder blade and upper back. It can be aching, sharp, or aggravated by turning, extending, lifting, prolonged posture, coughing, or sneezing.
Radiating arm pain
Nerve-root irritation can produce burning, electric, or shooting pain from the neck into the shoulder, arm, forearm, or hand. Arm pain may be more intense than the neck pain itself.
Numbness & tingling
Pins-and-needles or reduced sensation may affect a particular finger or region of the hand and arm. The distribution helps identify the involved cervical nerve root.
Weakness
Patients may notice difficulty with shoulder elevation, elbow movement, wrist control, grip, or fine hand tasks. New or progressive weakness deserves timely assessment.
Position-related changes
Certain neck positions may reproduce arm symptoms, while resting the hand on the head can temporarily relieve nerve tension in some patients. Sleep and desk posture may also influence symptoms.
Possible cord symptoms
Hand clumsiness, balance change, walking difficulty, symptoms in both arms or the legs, or bowel or bladder changes raise concern for spinal-cord compression rather than an isolated disc-related nerve problem.
Evaluation
Evaluation determines whether the disc finding explains local neck pain, nerve-root symptoms, spinal-cord dysfunction, or none of these. The neurologic examination and clinical pattern guide the need and timing of imaging.
History
Reviews onset, injury, symptom distribution, aggravating positions, prior episodes, hand function, balance, and progression.
Neurologic examination
Tests strength, sensation, reflexes, dexterity, coordination, gait, and signs of spinal-cord involvement.
Provocative testing
Uses selected neck and arm positions to reproduce or relieve symptoms and refine the likely pain source.
X-rays
Show alignment, disc-space height, arthritis, instability, or other structural changes but not the herniated material itself.
MRI
Defines the disc, nerve roots, spinal cord, and location of compression when symptoms persist or neurologic findings warrant imaging.
Additional testing
CT or electrodiagnostic testing may clarify bony narrowing or distinguish a neck nerve problem from peripheral nerve compression.
Treatment
Treatment depends on whether symptoms are primarily local, radicular, or related to the spinal cord. Most isolated nerve-root episodes begin with nonoperative care, while progressive weakness or cord dysfunction changes the timeline.
Nonoperative treatment
When neurologic function is stable, treatment focuses on calming inflammation, maintaining comfortable movement, and rebuilding capacity while the disc and nerve recover.
Activity, education & medication
Temporary modification of repeatedly provocative positions, appropriate medication, and ergonomic or sleep adjustments may help settle an acute flare without prolonged immobilization.
Physical therapy
A tailored program may address cervical and shoulder mechanics, mobility, posture, strength, and gradual return to work, exercise, or sport.
Targeted injection
A cervical epidural or selective nerve-root injection may reduce inflammation and provide temporary relief for persistent arm pain, but it does not remove the herniated disc.
Operative treatment
Surgery may be considered for progressive or substantial weakness, spinal-cord compression, or disabling arm pain that persists despite appropriate nonoperative care. The approach is matched to the herniation’s location, alignment, levels, and patient goals.
Anterior cervical discectomy and fusion
ACDF removes the disc and compressive material from the front and stabilizes the treated level with fusion.
Cervical disc replacement
Selected patients may be candidates for artificial-disc replacement after decompression, with the goal of preserving motion at the treated level.
Posterior foraminotomy
A lateral or foraminal fragment may sometimes be treated from the back by enlarging the nerve’s exit pathway without routinely fusing the level.
Choosing the right operation
The plan weighs complete nerve or cord decompression, motion preservation, stability, recovery expectations, and the risks of each approach.
When to seek prompt evaluation
Progressive weakness or cord symptoms change the timeline.
Seek prompt evaluation for increasing arm or hand weakness, loss of dexterity, balance or walking difficulty, symptoms in both arms and legs, or bowel or bladder changes.
Mission Viejo · Orange County
Move beyond neck and arm pain.
Schedule an individualized spine evaluation with Omid Jalali, MD.