en روانشناسی ورزشی و شاخه‌های وابسته بدان Sport Psychology and its Related Branches مقاله اصیل Original Article <div style="text-align: justify;"><strong>Background. </strong>With the increased prevalence of overweight and obesity among adolescents, exploring the impact of the exercise environment and sport commitment is critical in understanding their physical activity behaviors.<br> <strong>Objectives. </strong>This study aims to investigate the correlates of exercise behavior among overweight and obese children and adolescents, focusing on the impact of the sport environment and the mediating role of sport commitment.<br> <strong>Methods. </strong>Three hundred sixty-eight junior high school students from Zhaotong City, Yunnan Province, China, participated in the study. They completed the Sport Environment, Exercise Behavior, and Sport Commitment Scales. The group consisted of 189 males and 179 females, with a mean age of (13.59&plusmn;1.09) years and a mean body mass index of (24.30&plusmn;2.18). Statistical analysis was performed using SPSS 26.0 and AMOS 23.0.<br> <strong>Results.</strong> The results indicate significant correlations between the sport environment, sport commitment, and exercise behavior of overweight and obese children and adolescents. The sport environment has a direct positive effect on sport commitment (&beta;=0.40) and exercise behavior (&beta;=0.34), while sport commitment also has a direct positive effect on exercise behavior (&beta;=0.47). Sport commitment also mediates the relationship between the sport environment and exercise behavior among overweight and obese children and adolescents.<br> <strong>Conclusion. </strong>The findings Exercise behavior among overweight and obese children and adolescents is influenced not only by the sport environment but also by the mediating role of sport commitment. Therefore, creating a supportive sport environment and promoting sport commitment are practical approaches to improving exercise behavior and PA levels among overweight and obese children and adolescents.</div> Sport Environment, Exercise Behavior, Sport Commitment, Overweight and Obesity, Children and Adolescents, Mediating Role 0 0 http://aassjournal.com/browse.php?a_code=A-11-2311-2&slc_lang=en&sid=1 Mingxue Han HanMingxue@student.usm.my 100319475328460015248 0009-0005-6248-7461 No Exercise and Sports Science Programme, School of Health Sciences, Universiti Sains Malaysia, Malaysia Adam Abdul Malik adamalik@usm.my 100319475328460015249 100319475328460015249 No Exercise and Sports Science Programme, School of Health Sciences, Universiti Sains Malaysia, Malaysia Hairul Anuar Hashim hairulkb@usm.my 100319475328460015250 100319475328460015250 Yes Exercise and Sports Science Programme, School of Health Sciences, Universiti Sains Malaysia, Malaysia