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A 10-second sprint may reveal who gains the most muscle from weight training

NCT ID NCT07721766

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

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 23, 2026 · Last updated Jul 24, 2026 · Updated 1 time

Summary

This study investigates whether a person's glycolytic power — how efficiently their body uses sugar for quick energy — can predict muscle growth from resistance training. Healthy adults who have not done structured weight lifting in the past year will take a 10-second all-out cycling sprint test to measure their peak lactate accumulation. Then they will complete eight weeks of supervised leg-focused weight training. Researchers will measure changes in thigh muscle thickness to see if those with higher glycolytic power gain more muscle.

What this could mean

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

Active substance
hypertrophy-focused resistance training
What this could lead to
If it works, this could help explain why people respond differently to exercise and pave the way for personalized training programs.
What could go wrong
This is an early observational study, not a treatment trial. It may find no link between glycolytic power and muscle growth, and results may not apply to all populations.

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

About 120 people

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

Started

May 2026

Expected to finish

Dec 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.

Ages

18 to 39 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: * Body Mass Index (BMI) between 20-29 kg/m2 * No structured resistance training performed in the last twelve months. * Maximum of four sessions per week of recreational or low-to-moderate aerobic endurance activity. * No history of competitive strength or physique sports. Exclusion Criteria: * Diagnosed cardiovascular, pulmonary, metabolic, neuromuscular, or orthopaedic disease that contraindicates exercise. * Positive response to any question on the PAR-Q 2025 questionnaire. * Current use of anabolic steroids, creatine, or other substances known to strongly influence muscle hypertrophy. * Regular engagement in shift work. * Women who are pregnant or breastfeeding.

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Conditions

The condition(s) this trial relates to.

disorder of glycolysis myostatin-related muscle hypertrophy

As listed by the trial registrant

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

Glycolysis Healthy volunteers Moderately trainend Muscle hypertrophy

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    8 sites in 4 countries. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • DLR Cologne, Department of Metabolism and Human Performance

    RECRUITING

    Cologne, North Rhine-Westphalia, 51147, Germany

  • Institute for Applied Training Science (IAT) Leipzig

    RECRUITING

    Leipzig, Saxony, 04109, Germany

  • TU Chemnitz, Sports Medicine and Exercise Therapy

    RECRUITING

    Chemnitz, Saxony, 09126, Germany

  • Technical University of Munich, TUM School of Medicine and Health

    RECRUITING

    München, Bavaria, 80809, Germany

  • Universidad Politécnica de Madrid, Facultad de Ciencias de la Actividad Física y del Deporte (INEF)

    RECRUITING

    Madrid, Madrid, 28040, Spain

  • University of Jyväskylä, Faculty of Sport and Health Sciences

    RECRUITING

    Jyväskylä, Central Finland, 40014, Finland

  • University of Limerick, Department of Physical Education and Sport Sciences (PESS)

    RECRUITING

    Limerick, Limerick, V94 T9PX, Ireland

  • iST University of Applied Sciences

    RECRUITING

    Düsseldorf, North Rhine-Westphalia, 40233, Germany

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