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Tired calves, lower jumps: study reveals muscle Fatigue's quick impact

NCT ID NCT07457398

Knowledge-focused Sponsor: University of Beykent Source: ClinicalTrials.gov ↗

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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at how making the calf muscle tired affects its stiffness and how high people can jump. 28 healthy young adults did a calf exercise until they felt very tired. Their muscle stiffness and jump height were measured right after and again 24 hours later. The goal was to understand how muscle fatigue changes performance and recovery.

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

28 people

The number who actually took part.

Started

Jan 2026

Finished

Feb 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

18 to 25 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: * Healthy volunteers aged between 18 and 25. * Physical activity level categorized as sedentary or recreationally active according to IPAQ. * Willingness to follow the supine isometric fatigue protocol and attend follow-up measurements. * Sedentary or recreationally active (IPAQ scores). Exclusion Criteria: * History of lower extremity musculoskeletal injuries or surgeries within the last 6 months. * Any diagnosed neurological, metabolic, or cardiovascular diseases. * Regular use of medications or supplements that may affect muscle tone or recovery (e.g., muscle relaxants, high-dose antioxidants). * Recent history of intensive strength training for the lower limbs.

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As listed by the trial registrant

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

Athletic performance Muscle elasticity Muscle fatigue

Contacts and locations

Locations

  • Istanbul Beykent University

    Istanbul, Turkey (Türkiye)

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