One of the largest primary-contact health care professions in Ontario, chiropractic is a non-invasive, hands-on health care discipline that focuses on the neuromusculoskeletal system. Chiropractors practice a manual approach, providing diagnosis, treatment and preventative care for disorders related to the spine, pelvis, nervous system and joints. Chiropractors use a combination of treatments, all of which are predicated on the specific needs of the individual patient. After taking a complete history and diagnosing a patient, a chiropractor can develop and carry out a comprehensive treatment/management plan, recommend therapeutic exercise and other non-invasive therapies, and provide nutritional, dietary and lifestyle counseling. For many conditions, such as lower back pain, chiropractic care is frequently the primary method of treatment. Where other conditions exist, chiropractic care may complement or support medical treatment by relieving the neuromusculoskeletal aspects associated with the condition.