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Cuff trick boosts kicks? small study tests preconditioning in taekwondo athletes

NCT ID NCT07170774

Knowledge-focused Sponsor: Ziyue Ou 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This small study tested whether temporarily restricting blood flow to the legs (ischemic preconditioning) could improve aerobic energy supply and kick performance in 16 elite taekwondo athletes. Each athlete did a kicking test twice, once with real pressure and once with a sham, to compare oxygen use and kick count. The results may help understand if this simple technique can boost athletic performance.

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

16 people

The number who actually took part.

Started

Apr 2024

Finished

Jun 2024

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

18 to 22 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: * adult male athletes aged 18 years or older; * taekwondo athletes classified as national second-class or above (having placed in the top three provincial professional taekwondo championships or the top eight national professional taekwondo championships); * consistent and unified training over the past three months; * no prior ischemic preconditioning; * competitive taekwondo athletes. Exclusion Criteria: * supplementation with creatine; * acute or chronic illnesses, including anxiety, depression, cardiovascular diseases, and metabolic disorders; * engaging in vigorous physical activity within 48 hours prior to the experiment; * consuming alcohol or caffeine within 24 hours before the experiment.

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As listed by the trial registrant

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

Aerobic capacity Ischemic preconditioning

Contacts and locations

Locations

  • Guangzhou Sport University

    Guangzhou, 510500, China

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