One-Leg workout may ease pain in both knees for seniors
NCT ID NCT07490977
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study explores whether exercising just one leg can improve strength, balance, and pain in both legs for older adults with knee osteoarthritis. Forty-five participants aged 60-80 will be assigned to different unilateral training programs for 8 weeks. Researchers will measure changes in balance, movement control, and pain to see if the benefits transfer to the untrained leg.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- unilateral strength and balance training program
- What this could lead to
- If it works, this could offer a simpler, less painful way to improve mobility and reduce fall risk in older adults with knee osteoarthritis.
- What could go wrong
- This is a small, early-stage study with only 45 participants, so results may not apply widely. The training may not produce meaningful improvements in the untrained leg.
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 45 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Sep 2026
An estimate. Start dates often move.
- Expected to finish
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Dec 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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60 to 80 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.
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: * age 60-80 years, * bilateral knee osteoarthritis of grade II-III according to the Kellgren-Lawrence classification Exclusion Criteria: * acute lower extremity injuries in the past year, * taking nonsteroidal anti-inflammatory drugs within the past month, * involvement in physical therapy within the past 6 months, * undergoing intra-articular injections and/or knee surgery within the past year, * rheumatoid arthritis, septic arthritis, uncontrolled diabetes, other systemic inflammatory and autoimmune diseases, and severe cardiovascular, renal, and hepatic comorbidities
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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 of Zagreb Faculty of Kinesiology
Zagreb, 10000, Croatia
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