Effects of 28 weeks of high-intensity interval training during physical education classes on cardiometabolic risk factors in Chilean schoolchildren: a pilot trial
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The purpose of this investigation was to determine the effects of 28 weeks of high-intensity interval training (HIIT) during physical education classes on the weight status, cardiorespiratory capacity, and blood pressure of overweight and obese schoolchildren. The participants included 197 schoolchildren (108 girls and 89 boys) aged between 6 and 11 years (8.39 ± 1.15 years) in four groups: experimental group 1 (EG1) = 59 overweight schoolchildren; experimental group 2 (EG2) = 92 obese schoolchildren; control group 1 (CG1) = 17 overweight children; and control group 2 (CG2) = 29 obese schoolchildren. The participants in the EGs carried out HIIT twice per week for 28 weeks. After the 28-week intervention, the participants showed significant reductions in body mass index (p < 0.001). Waist circumference of boys in EG2 and waist-to-height ratio of girls in EG2 was significantly reduced (p < 0.05). Body fat percentage diminished, for girls in both groups and boys in EG2 (p < 0.05). Furthermore, the program significantly reduced the number of hypertensive schoolchildren (p = 0.001) and reduced the percentage of obese schoolchildren. The distance covered in the 6-min walk test improved significantly for girls in EG1 and EG2 (p < 0.05) and boys in EG2.
What is Known:
• High-intensity interval training (HIIT) programs improve health, but investigations have used relatively short intervention periods.
What is New:
• The 28-week period (a large intervention period) of HIIT-based games during physical education classes caused significant improvements in cardiorespiratory capacity, anthropometric variables, and blood pressure levels of overweight and obese schoolchildren.
KeywordsPhysical education Obesity Schoolchildren High-intensity interval training Health
6-min walk test
Body mass index
Diastolic blood pressure
High-intensity interval training
Systolic blood pressure
PDF contributed to the conception, organization and oversight of the study, the drafting of the analysis plan, the writing of the original manuscript draft, and final approval of the version to be published.
MES contributed to critical manuscript revision and final approval of the version to be published.
FGP contributed to critical manuscript revision and final approval of the version to be published.
PLR contributed to data analysis and interpretation, critical manuscript revision, and final approval of the version to be published.
The research team wishes to thank the Plan for Motricity Intervention and to the Teaching Management Unit of the Municipality of Temuco (Temuco, Chile).
Compliance with ethical standards
The investigation complied with the 2013 Helsinki Declaration and was approved by the Ethics Committee of the University of Jaen (Spain).
Conflict of interest
The authors declare that they have no conflict of interest.
The parents signed an informed consent document before the investigation.
- 3.Kumanyika SK, Obarzanek E, Stettler N, Bell R, Field AE, Fortmann SP, Franklin BA, Gillman MW, Lewis CE, Poston WC 2nd, Stevens J, Hong Y, American Heart Association Council on Epidemiology and Prevention, Interdisciplinary Committee for Prevention (2008) Population-based prevention of obesity: the need for comprehensive promotion of healthful eating, physical activity, and energy balance: a scientific statement from American Heart Association Council on epidemiology and prevention, interdisciplinary Committee for Prevention (formerly the expert panel on population and prevention science). Circulation 118(4):428–464. https://doi.org/10.1161/CIRCULATIONAHA.108.189702 CrossRefPubMedGoogle Scholar
- 4.Vanlancker T, Schaubroeck E, Vyncke K, Cadenas-Sanchez C, Breidenassel C, González-Gross M, Gottrand F, Moreno LA, Beghin L, Molnár D, Manios Y, Gunter MJ, Widhalm K, Leclercq C, Dallongeville J, Ascensión M, Kafatos A, Castillo MJ, De Henauw S, Ortega FB, Huybrechts I, HELENA project group (2017) Comparison of definitions for the metabolic syndrome in adolescents. The HELENA study. Eur J Pediatr 176(2):241–252. https://doi.org/10.1007/s00431-016-2831-6 CrossRefPubMedGoogle Scholar
- 6.Díez-Fernández A, Sánchez-López M, Mora-Rodríguez R, Notario-Pacheco B, Torrijos-Niño C, Martínez-Vizcaíno V (2013) Obesity as a mediator of the influence of cardiorespiratory fitness on cardiometabolic risk: a mediation analysis. Diabetes Care 37:855–862. https://doi.org/10.2337/dc13-0416 CrossRefPubMedGoogle Scholar
- 8.Organization WH (2010) Global recommendations on physical activity for healthGoogle Scholar
- 11.García-Hermoso A, Cerrillo-Urbina A, Herrera-Valenzuela T, Cristi-Montero C, Saavedra J, Martínez-Vizcaíno V (2016) Is high-intensity interval training more effective on improving cardiometabolic risk and aerobic capacity than other forms of exercise in overweight and obese youth? A meta-analysis. Obes Rev 17(6):531–540CrossRefPubMedGoogle Scholar
- 17.Falkner B, Daniels SR (2004) Summary of the fourth report on the diagnosis, evaluation, and treatment of high blood pressure in children and adolescents. Hypertension 44(4):387–388. https://doi.org/10.1161/01.HYP.0000143545.54637.af CrossRefPubMedGoogle Scholar
- 23.Rajjo T, Almasri J, Al Nofal A, Farah W, Alsawas M, Ahmed AT, Mohammed K, Kanwar A, Asi N, Wang Z, Prokop LJ, Murad MH (2017) The association of weight loss and cardiometabolic outcomes in obese children: systematic review and meta-regression. J Clin Endocrinol Metab 102(3):758–762. https://doi.org/10.1210/jc.2016-2575 PubMedCrossRefGoogle Scholar
- 26.Bluher S, Kapplinger J, Herget S, Reichardt S, Bottcher Y, Grimm A, Kratzsch J, Petroff D (2017) Cardiometabolic risk markers, adipocyte fatty acid binding protein (aFABP) and the impact of high-intensity interval training (HIIT) in obese adolescents. Metabolism 68:77–87. https://doi.org/10.1016/j.metabol.2016.11.015 CrossRefPubMedGoogle Scholar
- 28.Corte de Araujo AC, Roschel H, Picanco AR, do Prado DM, Villares SM, de Sa Pinto AL, Gualano B (2012) Similar health benefits of endurance and high-intensity interval training in obese children. PLoS One 7(8):e42747. https://doi.org/10.1371/journal.pone.0042747 CrossRefPubMedPubMedCentralGoogle Scholar
- 29.Kargarfard M, Lam ET, Shariat A, Asle Mohammadi M, Afrasiabi S, Shaw I, Shaw BS (2016) Effects of endurance and high intensity training on ICAM-1 and VCAM-1 levels and arterial pressure in obese and normal weight adolescents. Phys Sportsmed 44(3):208–216. https://doi.org/10.1080/00913847.2016.1200442 CrossRefPubMedGoogle Scholar
- 30.Lazzer S, Tringali G, Caccavale M, De Micheli R, Abbruzzese L, Sartorio A (2017) Effects of high-intensity interval training on physical capacities and substrate oxidation rate in obese adolescents. J Endocrinol Investig 40(2):217–226. https://doi.org/10.1007/s40618-016-0551-4 CrossRefGoogle Scholar
- 33.Klijn PH, van der Baan-Slootweg OH, van Stel HF (2007) Aerobic exercise in adolescents with obesity: preliminary evaluation of a modular training program and the modified shuttle test. BMC Pediatr 7 (1):19Google Scholar
- 34.Lang JJ, Belanger K, Poitras V, Janssen I, Tomkinson GR, Tremblay MS (2017) Systematic review of the relationship between 20 m shuttle run performance and health indicators among children and youth. J Sci Med SportGoogle Scholar
- 35.Lurbe E, Agabiti-Rosei E, Cruickshank JK, Dominiczak A, Erdine S, Hirth A, Invitti C, Litwin M, Mancia G, Pall D, Rascher W, Redon J, Schaefer F, Seeman T, Sinha M, Stabouli S, Webb NJ, Wuhl E, Zanchetti A (2016) 2016 European Society of Hypertension guidelines for the management of high blood pressure in children and adolescents. J Hypertens 34(10):1887–1920. https://doi.org/10.1097/HJH.0000000000001039 CrossRefPubMedGoogle Scholar