You probably take your back for granted—until it starts to hurt. Think about it—your back is a part of your body that's in nearly constant use. Whether you're sitting, standing, or moving, your back and its muscles are providing support all day, every day. Test your knowledge of the back by taking this quiz.
Medical Reviewer: Berry, Judith, PhD, APRN Luks, Howard, MD
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Reference: Arthritis section on Better Medicine
Copyright: National Institute of Arthritis http://www.niams.nih.gov/Health_Info/Back_Pain/default.asp
25% of US adults experience at least 1 day of back pain in a 3-month period.