According to the General Chiropractic Council (GCC), chiropractic is  a health profession concerned with the diagnosis, treatment and prevention of mechanical disorders of the musculoskeletal system, and the effects of these disorders on the function of the nervous system and general health  .
obligation (Noun). The act of binding oneself by a social, legal, or moral tie to someone. obligation (Noun). A social, legal, or moral requirement, duty, contract, or promise that compels someone to follow or avoid a particular course of action.
Definition of obligation - an act or course of action to which a person is morally or legally bound; a duty or commitment Definition of obligation - an act or course of action to which a person is morally or legally bound; a duty or commitment