B. K. Pedersen and B. Saltin, Evidence for prescribing exercise as therapy in chronic disease

, J Med Sci Sports, vol.16, pp.3-63, 2006.

B. A. Sibley and J. L. Etnier, The relationship between physical activity and cognition in children: A meta-analysis, Ped Exerc Sci, vol.15, pp.243-56, 2003.

K. Kashihara, T. Maruyama, M. Murota, and Y. Nakahara, Positive effects of acute and moderate physical exercise on cognitive function, J Physiol Anthropol, vol.28, pp.155-64, 2009.

C. Pesce, C. Crova, R. Cereatti-l-casella, and M. Bellucci, Physical activity and mental performance in preadolescents: effects of acute exercise on free-recall memory, Ment Health Phys Act, vol.2, issue.4, pp.16-22, 2009.

A. Diamond, The early development of executive functions, Lifespan Cognition: Mechnisms of Change, 2006.

Y. Zervas, N. Stambulova, Y. V. Auweele, F. Bakker, S. Biddle et al., Physical activity and cognitive functioning

, Champaign (IL): Human Kinetics, 1999.

J. Brisswalter, M. Collardeau, and R. A. , Effects of acute physical exercise characteristics on cognitive performance, Sports Med, vol.32, pp.555-66, 2002.

H. Budde, C. Voelcker-rehage, S. Pietrabyk-kendziorra, P. Ribeiro, and G. Tidow, Acute coordinative exercise improves attentional performance in adolescents, Neurosci Lett, vol.441, pp.219-242, 2008.

H. Budde, C. Voelcker-rehage, S. Pietrassyk-kendziorra, S. Machado, P. Ribeiro et al.,

, Steroid hormones in the saliva of adolescents after different exercise intensities and their influence on working memory in a school setting, Psychoneuroendocrinology, vol.35, pp.382-91, 2010.

C. H. Hillman, M. B. Pontifex, L. B. Raine, D. M. Castelli, E. E. Hall et al., The effect of acute treadmill walking on cognitive control and academic achievement in preadolescent children, Neuroscience, vol.159, pp.1044-54, 2009.

M. C. Gallotta, L. Guidetti, E. Franciosi, G. P. Emerenziani, V. Bonavolontà et al., Effects of varying type of exertion on children's attention capacity, Med Sci Sports Exerc, vol.44, pp.550-55, 2012.

M. C. Gallotta, G. P. Emerenziani, E. Franciosi, M. Meucci, L. Guidetti et al., Acute physical activity and delayed attention in primary school students, Scand J Med Sci Sports, 2014.

, Centers for Disease Control and Prevention. The association between school based physical activity, including physical education, and academic performance, Department of Health and Human Services, 2010.

L. A. Moreno, D. Henauw, S. González-gross, M. Kersting, M. Molnár et al.,

, Design and implementation of the Healthy Lifestyle in Europe by Nutrition in Adolescence Cross-Sectional Study, Int J Obes, vol.32, pp.4-11, 2008.

L. A. Moreno, M. González-gross, M. Kersting, D. Molnár, S. De-henauw et al.,

, Assessing, understanding and modifying nutritional status, eating habits and physical activity in European adolescents: the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) Study, Public Health Nutr, vol.11, pp.288-99, 2008.

L. Béghin, M. Castera, Y. Manios, C. C. Gilbert, M. Kersting et al., Quality assurance of ethical issues and regulatory aspects relating to good clinical practices in the HELENA Cross-Sectional Study, Int J Obes, vol.32, pp.12-12, 2008.

L. Béghin, I. Huybrechts, G. Vincente-rodriguez, D. Henauw, S. Gottrand et al.,

M. Gross, Main characteristics and participation rate of European adolescents included in the HELENA study, Arch Pub Health, vol.70, p.14, 2012.

T. J. Cole, M. C. Bellizzi, K. M. Flegal, and W. H. Dietz, Establishing a standard definition for child overweight and obesity worldwide: international survey, BMJ, vol.320, pp.1240-1283, 2000.

L. B. Houtkooper, S. B. Going, T. G. Lohman, A. F. Roche, and M. Van-loan, Bioelectrical impedance estimation of fat-free body mass in children and youth: a cross-validation study, J Appl Physiol, vol.72, pp.366-73, 1992.

R. Brickenkamp and E. Zillmer, The d2 Test of Attention, 1998.

J. R. Ruiz, F. B. Ortega, D. Martínez-gómez, I. Labayen, L. A. Moreno et al., Objectively measured physical activity and sedentary time in European adolescents: the HELENA study, Am J Epidemiol, vol.174, pp.173-84, 2011.

J. Vanhelst, L. Béghin, D. Turck, and F. Gottrand, New validated thresholds for various intensities of physical activity in adolescents using the Actigraph accelerometer, Int J Rehab Res, vol.34, pp.175-77, 2010.

U. Ekelund, S. A. Anderssen, K. Froberg, L. B. Sardinha, L. B. Andersen et al., Independent associations of physical activity and cardiorespiratory fitness with metabolic risk factors in children: the European youth heart study, Diabetologia, vol.50, pp.1832-1872, 2007.

C. J. Riddoch, B. Andersen, L. Wedderkopp, N. Harro, M. Klasson-heggebø et al., Physical activity levels and patterns of 9-and 15-yr-old European children, Med Sci Sports Exerc, vol.36, pp.86-92, 2004.

N. A. Khan and C. H. Hillman, The relation of childhood physical activity and aerobic fitness to brain function and cognition: a review, Pediatr Exerc Sci, vol.26, pp.138-184, 2014.

R. Castillo, J. R. Ruiz, P. Chillón, D. Jiménez-pavón, E. et al., Associations between parental educational/occupational levels and cognitive performance in Spanish adolescents: the AVENA study, Psicothema, vol.23, pp.349-55, 2011.

C. L. Davis and S. Cooper, Fitness, fatness, cognition, behavior, and academic achievement among overweight children: do cross-sectional associations correspond to exercise trial outcomes, Prev Med, vol.52, pp.65-69, 2011.

J. A. Swets, Measuring the accuracy of diagnostic systems, Science, vol.240, pp.1285-93, 1988.

R. J. Shephard, Habitual physical activity and academic performance, Nutr Rev, vol.54, pp.32-36, 1996.

D. P. Coe, J. M. Pivarnik, C. J. Womack, M. J. Reeves, and R. M. Malina, Effect of physical education and activity levels on academic achievement in children, Med Sci Sports Exerc, vol.38, pp.1515-1534, 2006.

E. Nagy, G. Vicente-rodriguez, Y. Manios, L. Béghin, C. Iliescu et al., Harmonization process and reliability assessment of anthropometric measurements in a multicenter study in adolescents, Int J Obes, vol.32, pp.58-65, 2008.