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Fin type may change Swimmers' leg muscles and injury risk

NCT ID NCT07621913

What the study statuses mean

This study's is highlighted.

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 This study
Running, but no longer taking on new participants.
Completed
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at how using a single large fin (monofin) versus two fins (bi-fins) affects leg muscles and joint flexibility in young swimmers aged 12-18. Researchers will measure muscle stiffness, elasticity, and joint range of motion in 42 healthy swimmers who train regularly. The goal is to understand differences that could help coaches design safer training and reduce injury risk.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this study could help coaches design safer, more effective training programs for swimmers using different fin types.
What could go wrong
This is a small observational study with only 42 participants, so findings may not apply to all swimmers. It measures physical traits, not treatment outcomes.

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

About 42 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2026

Expected to finish

Jun 2026

An estimate. End dates often move.

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

Young healthy swimmers

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: * Inclusion Criteria: * Being between 12-18 years old * Having been involved in at least one swimming style for at least 3 years * Having participated in at least one competition * Obtaining parental consent. Obtaining parental consent. Exclusion Criteria: * \- Having undergone any surgery on the shoulder girdle muscles. * Having any orthopedic or physical disorder in the shoulder girdle muscles (e.g., frozen shoulder). * Participating in another sport besides swimming.

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As listed by the trial registrant

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

Contacts and locations

Locations

  • Istanbul Gelisim University

    Istanbul, Avcılar, 34310, Turkey (Türkiye)