This article presents information regarding the original concept proposed by the American osteopath S. Typaldos — Fascial Distortion Model. This paper describes the diagnostic approach and the therapeutic techniques principles of the model. The article focuses on the theoretical substantiation of the model from the currently available modern data in the field of anatomy and physiology of the connective tissue (fascia) point of view. Also parallels are drawn between therapeutic FDM manipulations and therapeutic techniques of other manual methods known in Russia. © Alexey V. Boldin, Semion B. Sokolin, Michael V. Tardov, Evgeny Е. Haimov, Lev G. Agasarov, 2022.