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Why do Kids' muscles tire differently? a new study investigates

NCT ID NCT03049241

Knowledge-focused Sponsor: University Hospital, Clermont-Ferrand 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 07, 2026 · Last updated Aug 07, 2026

Summary

This study aims to understand why muscle fatigue develops differently in prepubertal boys compared to adult men. Researchers will measure muscle strength and fatigue in the knee and ankle muscles of 50 healthy participants (boys aged 8-11 and men aged 18-35). By comparing these groups, they hope to identify whether central (nervous system) or peripheral (muscle) factors play a larger role in fatigue for each group. The findings could help tailor training and rehabilitation approaches for children.

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 research could improve training and rehabilitation programs for children by better understanding how their muscles fatigue.
What could go wrong
This is an observational study with a small sample size, so findings may not apply broadly. It does not test a treatment, so direct clinical benefits are not immediate.

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

50 people

The number who actually took part.

Started

Feb 2017

Finished

Nov 2017

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

prepubertal boys and adults

Ages

8 to 35 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: * Boys aged 8 to 11 years old, Tanner stages 1 to 3 * Male aged 18 to 35 years old * Non-smoker * Moderate physical activity level (\< 4h/week) * Covered by a social health insurance * Consent form signed by participants and/or legal guardians. Exclusion Criteria: * Competitive training * Cardiac or pulmonary diseases * Epileptic seizures past history * Magnetic field contraindication (including cardiac valve, pacemaker, prosthesis material, ferro-magnetic foreign body, cochlear implant and ocular prosthesis material.

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As listed by the trial registrant

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

Neuromuscular fatigue

Contacts and locations

Locations

  • CHU Clermont-Ferrand

    Clermont-Ferrand, 63003, France

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