Flashing glasses may boost volleyball performance, study finds
NCT ID NCT07392385
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested whether wearing special stroboscopic glasses during volleyball drills could improve how players' brains and bodies react. 42 female volleyball players aged 10-16, from beginners to elite, took part. They did 8 weeks of extra drills with or without the glasses. Researchers measured brain activity, heart rate, sweat response, and eye movements to see if the training made a difference.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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42 people
The number who actually took part.
- Started
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Mar 2025
- Finished
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Jun 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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10 to 16 years
- Sex
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Female participants only
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Female volleyball players aged 10 to 16 years * Actively competing in organized volleyball * Regular participation in team training sessions * Classified as novice, intermediate, or elite based on training experience * Written parental/legal guardian informed consent and participant assent obtained Exclusion Criteria: * Presence of any chronic medical condition affecting study outcomes * Use of supplements or medications that may influence performance * Current injury or participation in a rehabilitation program * Failure to attend scheduled training sessions * Inability to complete baseline or post-intervention assessments * Injury occurring during the study period that prevents continued participation
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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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Yozgat Bozok University Faculty of Sport Sciences
Yozgat, Merkez, 66100, Turkey (Türkiye)
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