Treadmill trick may boost ACL recovery
NCT ID NCT06529679
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether walking on a treadmill with belts moving at different speeds can improve how the knee loads weight after ACL reconstruction. Thirty-two participants who had ACL surgery within the past 10 months walked on the treadmill for 20 minutes. Researchers measured changes in knee joint forces to see if this simple exercise could help restore normal walking patterns.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- split-belt treadmill training
- What this could lead to
- If successful, this could point toward a simple treadmill exercise to help people recover better after ACL surgery.
- What could go wrong
- This is a small, early-stage study with only 32 participants. It only looks at short-term effects, so long-term benefits are unknown.
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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32 people
The number who actually took part.
- Started
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Oct 2024
- Finished
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Feb 2026
- 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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14 to 45 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * aged 14-45 years * suffered an acute, complete ACL rupture as confirmed by MRI and physical exam * have undergone ACL reconstruction w autograft within the past 10 months * willingness to participate in testing and follow-up as outlined in the protocol * English-speaking Exclusion Criteria: * inability to provide written informed consent * female subjects who are pregnant or are planning to become pregnant (self-reported) * previous ACL injury * previous surgery to either knee * bony fracture accompanying ACL injury * patients who experienced a knee dislocation * patients who had their ACL reconstructed with an allograft * patients who underwent a multi-ligamentous and/or staged ACL reconstruction
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University of Michigan
Ann Arbor, Michigan, 48109, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Stem cell byproduct may boost ACL graft healing — trial puts it to the test
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