Is high-intensity interval training more effective on improving cardiometabolic risk and aerobic capacity than other forms of exercise in overweight and obese youth? A meta-analysis

A. García-Hermoso, A. J. Cerrillo-Urbina, T. Herrera-Valenzuela, CARLOS SEBASTIAN CRISTI MONTERO, J. M. Saavedra, V. Martínez-Vizcaíno

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78 Scopus citations

Abstract

Summary: Background: The scientific interest in high-intensity interval training (HIIT) has greatly increased during recent years. Objective: The objective of this meta-analysis was to determine the effectiveness of HIIT interventions on cardio-metabolic risk factors and aerobic capacity in overweight and obese youth, in comparison with other forms of exercise. Data sources: A computerized search was made using seven databases. Study eligibility criteria: The analysis was restricted to studies that examined the effect of HIIT interventions on cardio-metabolic and/or aerobic capacity in pediatric obesity (6-17years old). Participants and interventions: Nine studies using HIIT interventions were selected (n=274). Study appraisal and synthesis methods: Standarized mean difference (SMD) and 95% confidence intervals were calculated. The DerSimonian-Laird approach was used. Results: HIIT interventions (4-12week duration) produced larger decreases in systolic blood pressure (SMD=0.39; -3.63mmHg) and greater increases in maximum oxygen uptake (SMD=0.59; 1.92ml/kg/min) than other forms of exercise. Also, type of comparison exercise group and duration of study were moderators. Conclusions: HIIT could be considered a more effective and time-efficient intervention for improving blood pressure and aerobic capacity levels in obese youth in comparison to other types of exercise.

Original languageEnglish
Pages (from-to)531-540
Number of pages10
JournalObesity Reviews
Volume17
Issue number6
DOIs
StatePublished - 1 Jun 2016

Keywords

  • Cardiorespiratory fitness
  • Childhood obesity
  • Intensity training
  • Intermittent training

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