Lower back pain affects 8 in 10 people and is one of the most common reasons for a visit to the doctor’s office. Back pain can be acute and short term, or chronic and long term. The nature of the pain may range from sharp to dull aches and can include muscle spasms. At its worst, back pain can completely incapacitate patients, making walking too painful and causing people to crawl to the bathroom. According to the National Institutes of Health, back pain usually appears for the first time betwe