Did you know that an injured knee or ankle can affect your spine and the rest of your body? If your ankle or knee is injured or has recovered from an injury, the chances are that area did not heal appropriately unless you received care from a chiropractor who specializes in treating arms and legs (extremities). Eighty percent of people suffer from back pain at some point in their lives. Back pain is the second most common reason for visits to the doctor’s office, outnumbered only by upper-respiratory infections. In fact, it is estimated that low back pain affects more than half of the adult population each year and more than 10% of all people experience frequent bouts of low back pain.