If you hurt a joint or strain a muscle, sometimes there's comfort in knowing that at least others feel your pain. If you're dealing with back pain, many will know exactly what you're going through. The National Institute of Arthritis and Musculoskeletal and Skin Diseases reports that "back pain is one of the most common medical problems in the U.S. It can range from a dull, constant ache to a sudden, sharp pain that makes it hard to move.
Source: Health Usnews