This research was conducted to determine the development of motivation for people with excessive weight during the six month program and to establish the correlation between exercise and psychological characteristics - motivation in the person mentioned. The study was attended by one middle-aged participant (35 years ofage). The program was designed to include a person exercising 3-4 times a week in a closed room (hall). By using a questionnaire that a person fills out three times in six months, a likert scale is used as an estimate of the level of motivation for physical activity. Motivation level was compared in three phases. In the first stage, there was a fear and a low level of confidence, as well as indecisive when it came to other responses. In questions of strength, mobility was indecisive, which meant that it was necessary to make a person feel strong and capable of doing both training and everyday work. The only motivation and key reason for coming to the training was to reduce body weight, which in the event of failure would lead to a complete fall of motivation in everything. At the second stage, the level of self-confidence and stress arose, and in the segments that represent love and will for training, there was also a shift. A tremendous improvement is visible in the third stage, especially if compared to the results from the first stage. Progress was almost in each segment, which has led to increased motivation for exercise. In the person with excessive body weight who participated in this research, there is a positive shift in almost every segment, both physically and mentally. Research results suggest that physical activity has a major role in the life of modern man, especially in terms of preserving and improving the psychophysical health of humans.