Effects of high-intensity interval training on cardiometabolic health: a systematic review and meta-analysis of intervention studies
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- 20 October 2016
- journal article
- review article
- Published by BMJ in British Journal of Sports Medicine
- Vol. 51 (6), 494-503
- https://doi.org/10.1136/bjsports-2015-095841
Abstract
The current review clarifies the cardiometabolic health effects of high-intensity interval training (HIIT) in adults. A systematic search (PubMed) examining HIIT and cardiometabolic health markers was completed on 15 October 2015. Sixty-five intervention studies were included for review and the methodological quality of included studies was assessed using the Downs and Black score. Studies were classified by intervention duration and body mass index classification. Outcomes with at least 5 effect sizes were synthesised using a random-effects meta-analysis of the standardised mean difference (SMD) in cardiometabolic health markers (baseline to postintervention) using Review Manager 5.3. Short-term (ST) HIIT (2 max; SMD 0.74, 95% CI 0.36 to 1.12; p2 max (SMD 1.20, 95% CI 0.57 to 1.83; p2 max, but no other significant effects were observed. Current evidence suggests that ST-HIIT and LT-HIIT can increase VO2 max and improve some cardiometabolic risk factors in overweight/obese populations.Keywords
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