The research results have showed that fitness center visitors aged 26-35 make almost half of the respondents. Women in the investigation were almost twice active men. The greater part of the respondent clients (51%) visits the gym 1-2 times per week and 40 % of the respondents enjoy the service 3-4 times per week. 47 % of the respondents visit aerobic training 3-4 times per week and those who enjoy this service 1-2 times per week stand not very much behind.