A chiropractor is a medical doctor who has completed specialized training in the field of chiropractic. The appropriate state board must also license them to practice medicine in that state. They have studied anatomy and physiology, as well as techniques for diagnosing and treating patients with ailments. A chiropractor can order X-rays, MRIs, and other diagnostic tests to determine the cause of a patient’s pain. Some chiropractors are also specially trained in postural corrections.