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Volleyball Players' hidden shoulder issue may impact game performance

NCT ID NCT07372274

Knowledge-focused Sponsor: Saglik Bilimleri Universitesi Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
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

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at 52 male teen volleyball players (ages 14-18) to see if a common shoulder tightness called GIRD affects their shoulder endurance and stability. Players with at least 10 degrees less inward rotation in their spiking shoulder were compared to those without. Researchers used simple physical tests to measure endurance and stability, aiming to understand if GIRD is linked to weaker performance even without pain.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

52 people

The number who actually took part.

Started

Nov 2024

Finished

Dec 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.

Who is studied

The study population consists of adolescent male volleyball players aged 14-18 years with at least 3 years of licensed volleyball experience.

Ages

14 to 18 years

Sex

Male 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: * Male adolescent volleyball players aged 14-18 years * Be a licensed volleyball player for at least 3 years. * Be male and currently without shoulder symptoms (no current shoulder complaint) Exclusion Criteria: * Signs of possible shoulder impingement: 3 or more positive results out of 5 clinical shoulder tests (Neer test, Hawkins-Kennedy test, Painful Arc test 60°-120°, infraspinatus weakness, Empty Can test) * Shoulder pain within the last 6 months. * A history of shoulder surgery

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Glenohumeral internal rotation deficit (GIRD)

Contacts and locations

Locations

  • Faculty of Physiotherapy and Rehabilitation, University of Health Sciences

    Ankara, Ankara, 06010, Turkey (Türkiye)

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