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Updated: Jul 13, 2026

Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults
Published on: December 1, 2023
Exercise order in school-based concurrent training for adolescents with obesity
Yuhang Gao1, Chunyan Dai2, Jiahui Ke3
1Faculty of Health and Wellness, City University of Macau, Macao SAR, China.
Abstract:
Adolescent obesity requires time-efficient school-based exercise strategies that improve fitness and body composition within routine physical education settings. This randomized controlled trial compared two 12-week exercise sequences combining repeated sprint exercise and bodyweight resistance exercise in adolescents with obesity: bodyweight resistance followed by repeated sprint exercise (CRS) and repeated sprint exercise followed by bodyweight resistance (CSR), alongside a non-exercising control group. Fifty-nine participants completed the trial. After adjustment for baseline values, both CRS and CSR showed more favorable post-intervention outcomes than the control group for VO2max, BMI, body fat percentage, waist circumference, 20-m shuttle run performance, sit-ups, rope skipping, fat-free mass, and resting heart rate. Most outcomes were similar between CRS and CSR, but CRS produced greater improvement in VO2max. These findings support flexible school-based combined high-intensity exercise programming, while suggesting that resistance-before-sprint sequencing may better target cardiorespiratory fitness.
Trial Registration:
Chinese Clinical Trial Registry ChiCTR2500103429; ethics approval PN-202400005.
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