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Article

Can Anthropometry and Body Composition Explain Physical Fitness Levels in School-Aged Children?

1
Department of Family Medicine, Linkou and Taipei Branches, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
2
Department of Industrial Engineering and Management, National Taipei University of Technology, Taipei 10608, Taiwan
3
Graduate Institute of Urban Planning, College of Public Affairs, National Taipei University, New Taipei City 23741, Taiwan
4
College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
5
Department of Orthopedic Surgery, Linkou Main Branch, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
6
Obesity Institute, Geisinger, Danville, PA 17837, USA
*
Author to whom correspondence should be addressed.
Academic Editors: Odysseas Androutsos and Antonis Zampelas
Children 2021, 8(6), 460; https://doi.org/10.3390/children8060460
Received: 30 April 2021 / Revised: 23 May 2021 / Accepted: 26 May 2021 / Published: 31 May 2021
(This article belongs to the Special Issue Body Composition in Children)
Physical fitness (PF) is closely related to various health outcomes and quality of life among children. However, the associations between anthropometry, body composition (BC), and PF are not fully elucidated. This cross-sectional study aimed to investigate the associations between demographic metrics (age, sex), anthropometric measures (body mass index z-score (BMI z-score) waist/height ratio (WHtR)), BC parameters (body-fat percentage (BF%), muscle weight), and PF levels (800-m run, sit-and-reach, 1-min sit-ups, standing long jump) in school-aged children. Continuous variables were dichotomized by median splits. The results of 180 girls and 180 boys (mean age: 10.0 ± 0.7 years; mean BMI z-score: 0.366 ± 1.216) were analyzed. Multivariable linear regressions revealed that BF% (regression coefficient (B) = 3.4, 95% confidence interval (CI) = 2.5–4.3) was independently correlated with the 800-m run. Sex (B = 4.6, 95% CI = 3.0–6.3), age (B = 3.1, 95% CI = 1.9–4.3), and BMI z-score (B = −0.7, 95% CI = −1.4–−0.1) were independently related to sit-and-reach. Age (B = 3.3, 95% CI = 2.0–4.7), BF% (B = −0.3, 95% CI = −0.4–−0.2), and muscle weight (B = 0.7, 95% CI = 0.2–1.2) were independently associated with 1-min sit-ups. In addition to demography, anthropometry and BC provided additional information concerning some PF levels in school-aged children. Weight management and PF promotion should be addressed simultaneously in terms of preventive medicine and health promotion for children. View Full-Text
Keywords: anthropometry; body composition; children; epidemiography; physical fitness anthropometry; body composition; children; epidemiography; physical fitness
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MDPI and ACS Style

Hsu, C.-Y.; Chen, L.-S.; Chang, I.-J.; Fang, W.-C.; Huang, S.-W.; Lin, R.-H.; Ueng, S.W.-N.; Chuang, H.-H. Can Anthropometry and Body Composition Explain Physical Fitness Levels in School-Aged Children? Children 2021, 8, 460. https://doi.org/10.3390/children8060460

AMA Style

Hsu C-Y, Chen L-S, Chang I-J, Fang W-C, Huang S-W, Lin R-H, Ueng SW-N, Chuang H-H. Can Anthropometry and Body Composition Explain Physical Fitness Levels in School-Aged Children? Children. 2021; 8(6):460. https://doi.org/10.3390/children8060460

Chicago/Turabian Style

Hsu, Chih-Yu, Liang-Sien Chen, I-Jen Chang, Wei-Ching Fang, Sun-Weng Huang, Rong-Ho Lin, Steve W.-N. Ueng, and Hai-Hua Chuang. 2021. "Can Anthropometry and Body Composition Explain Physical Fitness Levels in School-Aged Children?" Children 8, no. 6: 460. https://doi.org/10.3390/children8060460

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