Pushing too hard? study tests best fatigue level for senior strength training
NCT ID NCT07522398
First seen Jun 24, 2026 · Last updated Sep 18, 2026 · Updated 3 times
Summary
This study looks at how different levels of fatigue during power training affect strength, muscle function, and recovery in healthy adults aged 65 to 85. Participants will do three supervised leg-press sessions, stopping when their movement speed drops by 10% or 30%, or matching the total work of the 30% session but stopping at 10%. Researchers will measure muscle strength, activation, soreness, and blood markers to find the safest and most effective training approach.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Power training at different velocity loss thresholds (10% vs 30%)
- What this could lead to
- If successful, this could help design safer and more effective power-training programs to improve strength and mobility in older adults.
- What could go wrong
- This is a small, early-stage study with only 42 participants, so results may not apply to all older adults. It measures short-term responses, not long-term benefits.
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
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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
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About 42 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Jan 2027
An estimate. End dates often move.
- Lead sponsor
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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
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65 to 85 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: Participants must: * Be 65 to 85 years old. * Be able to live independently and perform everyday activities without help. * Not have regularly done resistance or strength training in the past year. * Be able to understand study instructions and communicate in the study language. * Have a recent statement from their treating physician confirming that their heart and blood vessels are healthy enough to safely take part in this study. Exclusion criteria Participants will not be eligible if they have any of the following: * Unstable heart disease, neurological disease, acute infection, or fever. * Use of non-steroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, in the 5 days before the study. * Use of whey protein, casein, or amino acid supplements in the month before the study. * Acute or chronic injuries to the legs or lower body muscles. * Any injury or condition that prevents safe leg extension exercises. * Recent lower-limb joint replacement (less than 6 months ago). * Dependence on walking aids. * Current participation in another interventional trial.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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REVAL - Faculty of Rehabilitation Sciences
RECRUITINGDiepenbeek, Flanders, 3590, Belgium
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