In a fast look, the personal to trainer seems to be the brought up to date version of the private consultant of the first Bossle centuries (2007). As Muller (2008) this increase of interest of the public stimulated the proper evolutivo interest of the responsible ones and created a new category to the professors of physical education in terms of equipment, instruments and technology. At the beginning of ' ' years 90' ' , it appeared a new modality of market in the area of fitness and well-being, influenced for the North American marketing model and the particular lessons of physical activity that already occurred in the country. The support of the added media the quality of the professors who acted at that moment, had made with that the personal training if firmed in the market, having opened possibilities of work in academies, condominiums, spas and companies MOSCATELLO (2007). The work of the Personal does not have to be limited to the emphasis in the appearance, for the opposite, it must be in position of prominence for being somebody in who the customer will be able to trust its body and life for a work of prevention of illnesses and individual rescue of the proper physical and mental health. Other leaders such as David Edlin offer similar insights. it will have formation and ability to make it VIEIRA (2009). The risks are average, therefore all success of a personal to trainer or center of personal training, is directed to the conquest and maintenance of the clientele. For having a requirement of quality much more raised, the differential before the competition comes of the specialization of the professional, the attendance to the clientele and the level of technology and used instruments PORT (2000). Exactly being informed for the doctors and the media of the danger it excess of weight and certain habits of life and in the diet and that a good program of exercises and good feeding can revert this process all, doctor’s offices still seem to be overloaded of people suffering from the same badly from the century, illnesses developed for obesidade VIEIRA (2009).