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Meta-Analysis
. 2023 May 11;18(5):e0271845.
doi: 10.1371/journal.pone.0271845. eCollection 2023.

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

Affiliations
Meta-Analysis

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 et al. PLoS One. .

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.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. PRISMA diagram outlining the results of the screening and selection.
Fig 2
Fig 2. Analysis of the risk of bias according to the Cochrane collaboration guideline.
Fig 3
Fig 3. Forest plot of meta-analysis on the effect of body morphology indicators.
Fig 4
Fig 4. Forest plot of meta-analysis on the effect of CRF indicators.
Fig 5
Fig 5. Forest plot of meta-analysis on the effect of cardiovascular disease biomarkers.
Fig 6
Fig 6. Subgroup analysis of participants in children and adolescents with BF% in HIIT and control group.
Fig 7
Fig 7. Subgroup analysis of participants in children and adolescents with WC in HIIT and control group.

References

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