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Life sciences · Journal article
Frontiers in Sports and Active Living · August 10, 2026
Encouraging direction, but not yet definitive.
This randomized trial demonstrates that 12 weeks of structured low-contact Sanda training produces metabolic and cardiorespiratory improvements comparable to moderate-intensity continuous cycling in young men with obesity, but with distinct adaptive profiles. Sanda training favored peak oxygen uptake and second ventilatory threshold power, while cycling favored body fat reduction and maximal fat oxidation. The findings are internally consistent but remain limited by small sample size and lack of comparison with standard HIIT protocols.
Randomized controlled trial with parallel groups. Young men with obesity; setting and specific eligibility criteria not detailed in the provided text. Intervention: Structured low-contact Sanda training: 3 sessions per week, 60 minutes each, for 12 weeks. Sanda is a Chinese combat sport characterized by footwork, striking combinations, defensive movements, and attack–recovery transitions, delivered in…. Compared with: Moderate-intensity continuous cycling: 3 sessions per week, 60 minutes each, for 12 weeks. n = 30.
Both interventions significantly improved body mass, body mass index, body fat percentage, cardiorespiratory fitness, and substrate oxidation indicators Sanda training produced greater improvements in peak oxygen uptake and second ventilatory threshold power compared to cycling Cycling training produced larger improvements in body fat percentage, maximal fat oxidation, and FATmax compared to Sanda
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These results suggest structured Sanda training may offer an engaging, practical alternative to traditional continuous cycling for improving cardiorespiratory fitness in young men with obesity, though the choice between modalities depends on clinical priority (fitness vs. fat loss). The finding that both interventions produced meaningful improvements supports offering choice to enhance adherence.
A small randomized trial with clear methodology comparing two active interventions in a specific population, showing differential but complementary adaptive responses; results suggest potential but require confirmation in larger, more diverse samples.
As stated by the source record.
Quoted from the source exactly as published.
These results suggest structured Sanda training may offer an engaging, practical alternative to traditional continuous cycling for improving cardiorespiratory fitness in young men with obesity, though the choice between modalities depends on clinical priority (fitness vs. fat loss). The finding that both interventions produced meaningful improvements supports offering choice to enhance adherence.
Graded across the dimensions that decide whether you should act, each from what the source actually supports. There is no single score, and where a dimension was not assessed it says so.
Background Innovative and engaging exercise interventions are needed to improve cardiometabolic health and exercise adherence in young adults with obesity. Sanda, a Chinese combat sport characterized by footwork, striking combinations, defensive movements, and attack–recovery transitions, may provide a practical intermittent exercise modality when delivered in a structured and low-contact format. However, its metabolic-load characteristics and adaptive effects in individuals with obesity remain insufficiently understood. Objective This study compared the effects of 12 weeks of structured low-contact Sanda training and moderate-intensity continuous cycling training on body composition, cardiorespiratory fitness, ventilatory thresholds, and substrate oxidation profiles in young men with obesity, while describing the real-time metabolic-load distribution of both exercise modalities. Methods Thirty young men with obesity were randomly assigned to a structured Sanda training group or a moderate-intensity continuous cycling group. Both groups completed a 12-week intervention consisting of three 60-min sessions per week. Body composition was assessed before and after the intervention. A graded incremental cycling test was used to determine peak oxygen uptake, first and second ventilatory thresholds, maximal fat oxidation, and FATmax. During training sessions, oxygen uptake, carbon dioxide production, heart rate, respiratory exchange ratio, and energy expenditure were continuously monitored using a portable metabolic system. Results Both interventions significantly improved body mass, body mass index, body fat percentage, cardiorespiratory fitness, and substrate oxidation indicators. Compared with moderate-intensity continuous cycling, structured Sanda training produced greater improvements in peak oxygen uptake and second ventilatory threshold power, whereas cycling training produced larger improvements in body fat percentage, maximal fat oxidation, and FATmax. Although total session energy expenditure was broadly comparable between groups, Sanda training showed a more intermittent metabolic-load pattern, with higher peak oxygen uptake, higher peak heart rate, and a greater proportion of time with respiratory exchange ratio above 0.95. In contrast, cycling training showed a more stable moderate-intensity load distribution. Conclusion Under equal-duration intervention conditions, structured Sanda training and moderate-intensity continuous cycling both improved cardiometabolic and fitness-related outcomes in young men with obesity, but their adaptive profiles differed. Structured low-contact Sanda training may serve as an engaging combat-sport-based exercise option for improving cardiorespiratory fitness and high-intensity exercise tolerance, whereas moderate-intensity continuous cycling may be more favorable for improving fat oxidation profiles and reducing body fat. These findings support the potential value of structured Sanda training as an innovative exercise intervention for obesity-related health promotion, while highlighting the need to interpret the results as a comparison between two practical exercise modalities rather than as a fully load-matched comparison between standardized HIIT and MICT protocols.
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