Most are not!
Curiously, most us osteopaths do not practice osteopathic manipulation, the original basis of their profession; most practice only allopathic medicine.
But a minority do practice manipulation with great skill. While there are many fine chiropractors
, many are not so great. I find my patients get more consistent benefits from osteopaths, whose technique is gentle. See www.Academyofosteopathy.Org/.