Could eccentric cycling be a smarter workout for obese teens?
NCT ID NCT02925572
First seen Aug 07, 2026 · Last updated Aug 07, 2026
Summary
This trial tests whether a 12-week program of eccentric cycling—where muscles lengthen under load, like pedaling against resistance—can reduce body fat in overweight and obese teenagers more effectively than traditional concentric cycling. The study compares both types of exercise at the same oxygen consumption level to see if the higher mechanical load of eccentric work leads to greater fat loss and improvements in metabolic health. Participants are teens aged 12 to 17 with a BMI above the 90th percentile, and the trial measures changes in total body fat, fitness, strength, and blood markers.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Eccentric cycling exercise program
- What this could lead to
- If eccentric cycling proves more effective, it could offer a more efficient exercise strategy to reduce fat mass in obese teenagers, potentially improving metabolic health.
- What could go wrong
- This is a small early-stage trial, so results may not be conclusive or widely applicable. Eccentric exercise can cause muscle soreness, and adherence may vary.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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CHU Clermont-Ferrand
Clermont-Ferrand, 63003, France