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Teen tennis stars: does training frequency boost explosive power?

NCT ID NCT07398547

Knowledge-focused Sponsor: Biruni University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 how often adolescent tennis players (ages 12-18) should do functional training to improve their explosive strength. Thirty players completed a six-week program with different training frequencies. Researchers measured jumps and strength to see which schedule worked best. The goal is to help young athletes train smarter and reduce injury risk.

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.

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

30 people

The number who actually took part.

Started

Feb 2026

Finished

Apr 2026

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

12 to 18 years

Sex

Anyone

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: * Adolescent tennis players aged 12-18 years. * Have at least two years of regular tennis training history. * Regularly practice tennis at least three days a week. * Have not had an acute injury or surgery affecting the lower extremities in the last six months. * Have the physical ability to fully complete explosive strength tests (CMJ, SJ, SLJ, RSI). * Individuals who voluntarily agreed to participate in the study and provided written consent from their parents. Exclusion Criteria: * Those with ongoing pain, instability, or deformity in the knee, hip, ankle, or spine area. * Those who have undergone a musculoskeletal physical therapy or rehabilitation program within the last 6 months. * Those with a systemic disease that may affect neurological, vestibular, or balance. * Those who experience pain or fatigue to the extent that they cannot complete postural analysis or performance tests. * Those who do not have a regular sports history or have not trained regularly in the last 3 months. * Participants who exhibited a lack of cooperation during the assessment process that could compromise measurement consistency.

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As listed by the trial registrant

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

Exercise therapy

Contacts and locations

Locations

  • Sportplus Tennis Academy

    Istanbul, Maltepe, 34844, Turkey (Türkiye)

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