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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.
Iscience
|July 12, 2026
Summary
Two exercise sequences for adolescent obesity improved fitness and body composition. Resistance exercise before sprinting (CRS) showed superior cardiorespiratory gains compared to sprinting before resistance (CSR).
Area of Science:
- Exercise Physiology
- Pediatric Obesity Research
- Sports Science
Background:
- Adolescent obesity necessitates efficient, school-based exercise interventions.
- Physical education settings require time-efficient strategies to improve fitness and body composition.
Purpose of the Study:
- To compare the effectiveness of two 12-week exercise sequences in adolescents with obesity.
- To evaluate combined repeated sprint exercise and bodyweight resistance exercise interventions within school settings.
Main Methods:
- Randomized controlled trial involving adolescents with obesity.
- Comparison of two exercise sequences: bodyweight resistance followed by repeated sprint exercise (CRS) and repeated sprint exercise followed by bodyweight resistance (CSR).
- Inclusion of a non-exercising control group.
Main Results:
- Both CRS and CSR groups demonstrated significant improvements in VO2max, BMI, body fat percentage, waist circumference, 20-m shuttle run, sit-ups, rope skipping, fat-free mass, and resting heart rate compared to the control group.
- Most outcomes were similar between the CRS and CSR groups.
- The CRS group exhibited a greater improvement in VO2max.
Conclusions:
- Combined high-intensity exercise programming is effective for school-based interventions targeting adolescent obesity.
- Sequencing resistance exercise before sprint exercise (CRS) may offer superior benefits for cardiorespiratory fitness in adolescents with obesity.
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