Tired ankles throw off balance – study reveals hidden risk for Sprain-Prone individuals
NCT ID NCT07273097
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how fatigue in the ankle muscles affects walking balance in people with and without chronic ankle instability (CAI). Forty adults will walk on a treadmill at two speeds while gentle pushes are applied to their hips. Researchers will measure muscle activity and step patterns before and after tiring the ankle muscles to understand why people with CAI may be more prone to falls or re-injury.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2025
- Expected to finish
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May 2026
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.
Who is studied
Participants will be recruited by convenience sampling from the general population and clinical settings.
- Ages
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18 to 45 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 for the healthy control group (no CAI): * Age between 18 and 45 years, * No history of injuries or surgical procedures to the lower limbs, * No peripheral or central neurological impairments. Inclusion criteria for the chronic ankle instability (CAI) group: * Age between 18 and 45 years, * No history of major surgical procedures on the lower limbs * No peripheral or central neurological impairments, * Diagnosed chronic ankle instability: * First ankle sprain occurred at least one year prior to testing, * At least three months since the most recent ankle sprain, * Subjective feeling of ankle instability - CAIT (Cumberland Ankle Instability Tool) score \< 24. Exclusion criteria for the CAI group: * Other pathologies of the ankle joint. * Acute pain
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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.
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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University Rehabilitation Institute Republic of Slovenia - URI Soča
RECRUITINGLjubljana, 1000, Slovenia
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