Could a 15-minute recess workout sharpen a child's focus in class?
NCT ID NCT07719803
First seen Jul 22, 2026 · Last updated Jul 23, 2026 · Updated 1 time
Summary
This trial investigates whether short bursts of exercise during school recess can improve how well children pay attention in class. About 144 third- and fifth-graders are randomly assigned to high-intensity interval training, moderate-intensity continuous training, or their usual recess activities for six weeks. Their classroom attention is measured before and after using an automated video system that tracks head posture, eye gaze, and facial orientation.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- structured exercise programs (high-intensity interval training and moderate-intensity continuous training) during school recess
- What this could lead to
- If it works, this could point toward simple, school-based exercise breaks that help children focus better in class.
- What could go wrong
- This is a small, early-stage trial in just two grades at one school. The attention measure is based on video analysis, not direct academic outcomes, so real-world benefits may not follow.
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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
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Locations
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Shanghai University of Sport
Shanghai, Shanghai Municipality, 200438, China