Effects of replacing sedentary behavior by higher levels of physical activity in children in compliance to the WHO guidelines
Replacing Sedentary Behavior by PA in Children
DOI:
https://doi.org/10.52165/kinsi.30.3.5-18Keywords:
Childhood, isotemporal substitution, obesity, overweightAbstract
Objective: To estimate the effects of reallocating sedentary behavior time to achieve 60 minutes per day of moderateto- vigorous physical activity (MVPA) on health markers, using the isotemporal substitution method. Methods: A sample of 285 Portuguese children and adolescents was categorized in two groups based on body fat percentage. The daily mean moderate to vigorous physical activity was determined using accelerometry. Capillary blood samples and blood pressure were obtained using standard procedures. Shuttle run was used to assess cardiorespiratory fitness and bioimpedance for body composition. Data were analyzed by isotemporal substitution analyses estimating the effect of reallocating, from sedentary behavior, the time needed to accomplish 60 minutes of moderate to vigorous physical activity, on health markers. Results: Replacing sedentary behavior with MVPA significantly reduced body fat percentage (B = 2.57; 95% CI: 1.93–3.22) and improved cardiorespiratory fitness in both normoponderal (B = 2.13; 95% CI: 1.52–2.74) and overfat (B = 2.05; 95% CI: 0.74– 3.36) groups. Conclusion: Adding the extra time needed to accomplish the 60 min/day moderate to vigorous physical activity recommendation seems to favorably affect the body composition and cardiorespiratory fitness in normoponderal and overfat children and adolescents.
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Brown, C. L., Halvorson, E. E., Cohen, G. M., Lazorick, S., & Skelton, J. A. (2015). Addressing Childhood Obesity: Opportunities for Prevention. Pediatr Clin North Am, 62(5), 1241-1261. doi:10.1016/j.pcl.2015.05.013
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Brown, C. L., Halvorson, E. E., Cohen, G. M., Lazorick, S., & Skelton, J. A. (2015). Addressing Childhood Obesity: Opportunities for Prevention. Pediatr Clin North Am, 62(5), 1241-1261. doi:10.1016/j.pcl.2015.05.013
Collings, P. J., Westgate, K., Vaisto, J., Wijndaele, K., Atkin, A. J., Haapala, E. A., . . . Lakka, T. A. (2017). Cross-Sectional Associations of Objectively-Measured Physical Activity and Sedentary Time with Body Composition and Cardiorespiratory Fitness in Mid-Childhood: The PANIC Study. Sports Medicine, 47(4), 769-780. doi:10.1007/s40279-016-0606-x
Costa, M. S. S. d. (2017). Physical activity patterns in children and adolescents, and the contribution of physical education classes to daily physical activity, according to gender and body mass index. Porto: Manuela Costa
Dalene, K. E., Anderssen, S. A., Andersen, L. B., Steene-Johannessen, J., Ekelund, U., Hansen, B. H., & Kolle, E. (2017). Cross-sectional and prospective associations between physical activity, body mass index and waist circumference in children and adolescents. Obesity Science & Practice, 3(3), 249-257. doi:10.1002/osp4.114
del Pozo-Cruz, B., Gant, N., del Pozo-Cruz, J., & Maddison, R. (2017). Relationships between sleep duration, physical activity and body mass index in young New Zealanders: An isotemporal substitution analysis. PLoS One, 12(9). doi:10.1371/journal.pone.0184472
Ekelund, U., Luan, J., Sherar, L. B., Esliger, D. W., Griew, P., & Cooper, A. (2012). Moderate to vigorous physical activity and sedentary time and cardiometabolic risk factors in children and adolescents. Jama, 307(7), 704-712. doi:10.1001/jama.2012.156
Garcia-Hermoso, A., Saavedra, J. M., Ramirez-Velez, R., Ekelund, U., & Del Pozo-Cruz, B. (2017). Reallocating sedentary time to moderate-to-vigorous physical activity but not to light-intensity physical activity is effective to reduce adiposity among youths: a systematic review and meta-analysis. Obes Rev, 18(9), 1088-1095. doi:10.1111/obr.12552
Hansen, B. H., Anderssen, S. A., Andersen, L. B., Hildebrand, M., Kolle, E., Steene-Johannessen, J., . . . Int Childrens, A. (2018). Cross-Sectional Associations of Reallocating Time Between Sedentary and Active Behaviours on Cardiometabolic Risk Factors in Young People: An International Children's Accelerometry Database (ICAD) Analysis. Sports Medicine, 48(10), 2401-2412. doi:10.1007/s40279-018-0909-1
Huang, W. Y., Wong, S. H., He, G., & Salmon, J. O. (2016). Isotemporal Substitution Analysis for Sedentary Behavior and Body Mass Index. Med Sci Sports Exerc, 48(11), 2135-2141. doi:10.1249/mss.0000000000001002
Kumar, S., & Kelly, A. S. (2017). Review of Childhood Obesity: From Epidemiology, Etiology, and Comorbidities to Clinical Assessment and Treatment. Mayo Clin Proc, 92(2), 251-265. doi:10.1016/j.mayocp.2016.09.017
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Mekary, R. A., Willett, W. C., Hu, F. B., & Ding, E. L. (2009). Isotemporal Substitution Paradigm for Physical Activity Epidemiology and Weight Change. Am J Epidemiol, 170(4), 519-527. doi:10.1093/aje/kwp163
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Sardinha, L. B., Marques, A., Minderico, C., & Ekelund, U. (2017). Cross-sectional and prospective impact of reallocating sedentary time to physical activity on children's body composition. Pediatric Obesity, 12(5), 373-379. doi:10.1111/ijpo.12153
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