Relationship between Physical Activity and Body Mass Index in Women's Volleyball Athletes during COVID-19 Pandemic in Special Region of Yogyakarta, Indonesia

The COVID-19 pandemic has made people experience lifestyle changes. The Indonesian government has implemented a policy of limiting activities to prevent the transmission of the Covid-19 virus. Physical activity will undoubtedly affect the physical condition of all people, including volleyball athletes. Decreased physical activity can increase body weight. The amount of physical activity and a person's body mass index (BMI) impact public health. Individuals who do much physical activity usually have a healthy BMI. Athletes who want to compete well must maintain a healthy level of physical activity and a healthy BMI. Accordingly, this study aimed to determine the relationship between the level of physical activity and BMI in female volleyball athletes in the Special Region of Yogyakarta. The research method relied on a cross-sectional study of 100 female volleyball athletes as members of an amateur club in the Province of the Special Region of Yogyakarta. Physical activity was assessed using the International Physical Activity Questionnaire after BMI was calculated and grouped according to World Health Organization (WHO) standards. Pearson correlation test was used to test the data. According to the findings of this study, the majority of athletes had a normal BMI and did the moderate physical activity. However, there was a significant relationship between physical activity and BMI in the study results, with a significance value of 0.000 and a Pearson correlation value of 0.799.