High Quality Content by WIKIPEDIA articles! Following Maurice de Montmollin, the French distinguished generally two major trends in ergonomics: Ergonomics focuses on the Activity, which emphasizes understanding the work situation as a whole, the demand analysis and framework intervention and the distinction between prescribed work and real work. This school is mainly present in the Francophone countries, the Brazil and another formm in Scandinavia. The ergonomics of the Human Factors, focusing on research results General (on the postures, rhythms, moods of work ...) and definition of standards. It is dominant in the United States and Japan.