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Obes Rev. 2016 Jun;17(6):531-40. doi: 10.1111/obr.12395. Epub 2016 Mar 7.

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.

Author information

1
Laboratorio de Ciencias de la Actividad Física, el Deporte y la Salud, Universidad de Santiago de Chile, USACH, Santiago, Chile.
2
Social and Health Care Research Center, University of Castilla-La Mancha, Cuenca, Spain.
3
Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile.
4
Physical Activity, Physical Education, Sport and Health Research Centre, Sports Science Department, School of Science and Engineering, Reykjavik University, Reykjavik, Iceland.

Abstract

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 (6-17 years 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 (4-12 week duration) produced larger decreases in systolic blood pressure (SMD = 0.39; -3.63 mmHg) and greater increases in maximum oxygen uptake (SMD = 0.59; 1.92 ml/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. © 2016 World Obesity.

KEYWORDS:

Cardiorespiratory fitness; childhood obesity; intensity training; intermittent training

PMID:
26948135
DOI:
10.1111/obr.12395
[Indexed for MEDLINE]

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