Background: The period of Covid 19 epidemic effect not only illness people but also human lives. A lot of People, participating some of activities in gym center from Kayseri. Some of restraint during the covid 19 epidemic by the ministry of interior was affected people who went to fitness center. This situation affected people of Body Weight, Body Mass Index, Body Fat Index unfavorable.

Aim: The purpose of this study was to determine the physical changes of the participants who actively attended fitness centers during the Covid-19 pandemic.

Aim: The purpose of this study was to determine the physical changes of the participants who actively attended fitness centers during the Covid-19 pandemic.

Methods: In this study, 211 participants (male:155, female:56) enrolled in fitness centers in the experimental group were checked for 2 months and their Body Weight (BW), Body Mass Index (BMI), Body Fat Index (BFI) and were recorded twice. The findings obtained were evaluated statistically with the package program

Results: In our study, n=55 over the age of 18, 26.1% were female; n=156, 73.9% of the male individuals voluntarily participated. At the end of the study, it was found that there was an increase in BW, BMI and BFI values of male and female participants and that they were significant at the level of paired sample t test findings (p<0.05). Although there was an increase in MMI values, these findings were found to be at the level of (p>0.05).

Conclusion: At the end of the research, it was found that individuals who actively continued in fitness centers during the Covid-19 pandemic in Kayseri province experienced restrictions and an increase in BW, BMI, and BFI due to sedentary life.

Keywords: Covid 19 Restriction, Physical Parameter, Fitness Center