Effects of high-intensity interval training on physical morphology, cardiorespiratory fitness and metabolic risk factors of cardiovascular disease in children and adolescents: A systematic review and meta-analysis

Jie Men, Shuangling Zou, Jia Ma, Chenmin Xiang, Shufeng Li and Junli Wang

PLOS ONE, 2023, vol. 18, issue 5, 1-32

Abstract: Objective: To systematically evaluate the safety and efficacy of high-intensity interval training in children and adolescents. Methods: Eight databases were searched. Descriptive analysis of the efficacy and safety of high-intensity interval training on body shape, cardiorespiratory fitness, and metabolic risk markers of cardiovascular disease in children and adolescents. Subgroup analysis was performed using age, participants, intervention time, and exercise frequency as covariates. Results: 47 studies included 2995 children and adolescents. The results of the meta-analysis showed that high-intensity interval training significantly improved cardiorespiratory fitness indicators (VO2max, SBP, DBP and HRmax) and cardiovascular disease biomarkers (TC and HDL-C). HIIT had no significant effect on body shape indicators (BMI, BF% and WC) or cardiovascular disease biomarkers (TG and LDL-C). Conclusion: Currently, there is insufficient evidence that HIIT with interval running as the predominant form improves physical indicators in children and adolescents. However, HIIT can be promoted in children and adolescents to improve cardiorespiratory fitness and reduce some metabolic risk of cardiovascular disease.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0271845

DOI: 10.1371/journal.pone.0271845

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