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Flashing glasses may boost volleyball performance, study finds

NCT ID NCT07392385

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
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Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

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Status unknown
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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

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

42 people

The number who actually took part.

Started

Mar 2025

Finished

Jun 2025

Lead sponsor

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

10 to 16 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

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

  • Yozgat Bozok University Faculty of Sport Sciences

    Yozgat, Merkez, 66100, Turkey (Türkiye)

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