Lumbago is a general term used to describe pain in the lower back. It affects millions of Americans per year and can be caused by abnormalities in the spine, joints, muscles, or nerves of the lower back. According to the National Institute of Neurological Disorders and Stroke, lumbago affects 80% of adults (typically job-related) and can be acute or chronic causing either a dull, aching pain or sudden, sharp pain.
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