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Background: The effects of regular physical activity on energy in- take in obese adolescents are unknown. Objective: The objective is to determine how physical activity inter- ventions affect energy and macronutrient intake in overweight/obese youth. Data sources: Databases were searched from December 2014 to December 2015 for studies that measured energy and/or macro- nutrient consumption in response to physical activity intervention in overweight/obese youth. Data selection: The review comprises primary source articles published in English in peer-reviewed journals. Articles that presented data on energy and/or macronutrient intake before and after a physical activity intervention (without dietary restriction) in overweight or obese children and teenagers (up to 18 years old) were included. Of the initial 307 references found, nine were included. Results: The nine included studies analysed the effect of 15 different physical activity interventions. Nine showed a decrease and six un- changed energy intakes. The effect size for total energy intake ranged from -2.108 to -0.207 (n = 14). Results of the meta-analysis revealed a mean effect of physical intervention to reduce intake of -1.003 (95% confidence interval = -1.261 to -0.745, p