Effect of high-intensity interval training compared to moderate-intensity continuous training on body composition and insulin sensitivity in overweight and obese adults : A systematic review and meta-analysis
Sanca-Valeriano, Silvia (Universidad César Vallejo)
Espinola-Sánchez, Marcos (Universidad Privada del Norte)
Caballero-Alvarado, José (Universidad Privada Antenor Orrego)
Canelo Aybar, Carlos Gilberto (Institut d'Investigació Biomèdica Sant Pau)
Universitat Autònoma de Barcelona

Data:	2023
Resum:	To compare the effects of high-intensity interval training (HIIT) and moderate-intensity continuous training (MICT) on adults with overweight and obesity. Outcomes, including changes in insulin sensitivity, weight, body mass index (BMI), waist circumference, and body fat, were analyzed. A systematic literature review was conducted. This review is registered in the International Prospective Register of Systematic Reviews (PROSPERO) under the number CRD42021281899. Clinical trials involving individuals who are overweight and obese and comparing HIIT with MICT effects on insulin sensitivity, weight, BMI, body fat percentage, and waist circumference were included. PubMed, Web of Science, Embase, and Scopus databases were searched using controlled vocabulary and free-text terms related to HIIT, obesity, and overweight. The search included studies published until September 2022. The Rob2 tool was used to assess the risk of bias. The results were presented through meta-analyses that provided summary estimators and confidence intervals. Subgroup analyses were conducted to assess the effect of the risk of bias on the outcomes. This research did not receive any specific funding. Of the 2534 articles, 30 met the eligibility criteria. The intervention duration ranged from 4 to 16 weeks. The observed effects for each outcome were as follows: insulin sensitivity (p = 0. 02), weight (p = 0. 58), BMI (p = 0. 53), waist circumference (p = 0. 87), body fat percentage (p = 0. 07), body fat mass in kilograms (p = 0. 39). The level of evidence obtained was moderate except for waist circumference, which was rated as low. Limitations included heterogeneity in training protocols, measurements, and study duration. Additionally, a risk of bias was identified in these studies. HIIT and MICT did not significantly differ in their effects on weight, BMI, waist circumference, or body fat mass in adults with overweight and obesity. However, a moderate beneficial effect of HIIT was observed on insulin sensitivity. Therefore, further evidence is required to confirm these findings.
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Body composition ; High-intensity interval training ; Insulin sensitivity ; Obesity ; Overweight ; Physical exercise
Publicat a:	Heliyon, Vol. 9 Núm. 10 (october 2023) , p. e20402, ISSN 2405-8440

DOI: 10.1016/j.heliyon.2023.e20402
PMID: 37800068

20 p, 8.9 MB

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