It all starts when you slip on a sidewalk, try to lift a child, or bend down to pick up a newspaper. But where does it end? According to the Mayo Clinic, four out of five adults suffer from back pain at some point in their lives. The good news is that the pain almost always fades quickly, especially for people who know how to take care of their backs. How much do you know about coping with back pain? Take this short quiz to find out.