A herniated disc occurs when the inner content of a vertebral disc squeezes out into the spinal canal through a tear in its exterior known as the annulus fibrosus. The inner contents, known as the nucleus pulposus, often impinge on a spinal nerve, causing symptoms of radiculopathy, such as numbness, tingling, and weakness, radiating down the leg.
If your neck pain travels down your arm, your back pain travels to your leg, or you feel numbness, tingling, or weakness, see a doctor. These symptoms are often a sign of nerve damage.
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