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Can stronger breathing muscles boost Jiu-Jitsu grip and power?

NCT ID NCT07794241

Knowledge-focused Sponsor: Halic University Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 31, 2026 · Last updated Sep 01, 2026 · Updated 1 time

Summary

This study looks at whether the strength of breathing muscles relates to how well Brazilian Jiu-Jitsu athletes perform short, intense efforts and hold a kimono grip. Researchers will measure breathing muscle strength and lung function in 40 male athletes, then test their Jiu-Jitsu-specific anaerobic performance and static grip endurance. The goal is to see if stronger respiratory muscles are linked to better performance on the mat.

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 stronger breathing muscles link to better Jiu-Jitsu performance, trainers might add respiratory exercises to improve athletic output.
What could go wrong
This is a small observational study, so it can only show a link, not prove cause and effect. Results may not apply to all athletes.

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 40 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Apr 2027

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

Adult male Brazilian Jiu-Jitsu athletes who train regularly at clubs or academies in Istanbul, Türkiye, and meet the prespecified eligibility criteria. Participants will be recruited by non-probability sampling.

Ages

18 to 40 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 sex * Age 18 to 40 years * At least 1 year of Brazilian Jiu-Jitsu experience * Brazilian Jiu-Jitsu training on at least 2 days per week during the previous 3 months * Familiarity with gi/kimono training and the butterfly-guard lifting movement * Ability to safely and technically perform the Maximum Static Kimono Grip Test and the Jiu-Jitsu Anaerobic Performance Test * Provision of written informed consent Exclusion Criteria: * Diagnosed cardiovascular, respiratory, neurological, metabolic, or musculoskeletal condition that may affect maximal testing or participant safety * Active pain, acute injury, or relevant surgery during the previous 6 months * Current regular use of cigarettes, electronic cigarettes, or inhaled nicotine products * Medical advice to avoid maximal physical effort * Regular use of medication that may materially affect study measurements

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As listed by the trial registrant

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

Athletic performance

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

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    Open the record ↗

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Contacts and locations

Locations

  • Roger Gracie Academy Turkey

    Istanbul, 34337, Turkey (Türkiye)

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