Ruiz López, I., Martín-Matillas, M., Delgado-Fernández, M., Delgado-Rico, E., Campoy Folgoso, C., & Verdejo-García, A. (2021). Effect of increased physical activity on physical fitness in an overweight and/or obese group of adolescents. SPORT TK-EuroAmerican Journal of Sport Sciences, 10(1), 17–28. https://doi.org/10.6018/sportk.461551