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ORIGINAL ARTICLE  EPIDEMIOLOGY AND CLINICAL MEDICINE 

The Journal of Sports Medicine and Physical Fitness 2021 July;61(7):983-90

DOI: 10.23736/S0022-4707.20.11527-5

Copyright © 2020 EDIZIONI MINERVA MEDICA

lingua: Inglese

Movement behaviors and health-related fitness among peripubertal adolescents: 2012 NHANES national youth fitness survey data

John Etta RASBERRY 1, Xiaoxia ZHANG 1, 2, Samantha MOSS 1, Senlin CHEN 3, Xiangli GU 1

1 Department of Kinesiology, University of Texas at Arlington, Arlington, TX, USA; 2 Department of Kinesiology, East Carolina University, Greenville, NC, USA; 3 School of Kinesiology, Louisiana State University, Baton Rouge, LA, USA



BACKGROUND: Less than half of adolescents in the United States meet the recommended levels of moderate-to-vigorous physical activity (MVPA) and health-related fitness (HRF). Using the 2012 NHANES National Youth Fitness Survey data, this study aimed to examine the associations of movement behaviors (i.e., MVPA and screen-based sedentary behaviors) with HRF (i.e., cardiovascular and muscular fitness) among 11-16- year-old peripubertal boys and girls, respectively.
METHODS: A total of 470 adolescents (227 boys, 243 girls; age: 13.59±1.12 years old) from the 2012 NHANES dataset were included. The study variables included movement behaviors (i.e., MVPA and screen-based sedentary behavior), anthropometric indices (i.e., waist circumference, Body Mass Index [BMI]), and HRF (i.e., cardiovascular fitness and muscular fitness). Correlational and hierarchical regression analyses were conducted for boys and girls, respectively.
RESULTS: MVPA significantly predicted cardiovascular fitness for boys (β=0.16, P<0.05) and girls (β=0.15, P<0.05) regardless of weight status; screen-based sedentary behavior and waist circumference in girls significantly predicted muscular fitness (β=-0.13 and β=-0.42, P<0.05).
CONCLUSIONS: To increase overall HRF in peripubertal girls and boys, it is important to help them maintain healthy weight status and to promote MVPA and limit screen-based sedentary behavior, especially in adolescent girls.


KEY WORDS: Cardiovascular system; Physical fitness; Exercise; Sedentary behavior

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