How strong is a replaced shoulder? new study takes a closer look
NCT ID NCT06222281
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This observational study looked at 34 people who had reverse shoulder arthroplasty (a type of shoulder replacement) at least one year earlier. Researchers measured the strength and elasticity of the deltoid muscle in both the operated and healthy shoulders using special tests and ultrasound. They also asked participants to fill out questionnaires about how well their shoulder functions in daily life. The goal was to see how the replaced shoulder compares to the healthy one and whether strength, stiffness, and function are related.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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34 people
The number who actually took part.
- Started
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May 2025
- Finished
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Jun 2025
- 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
Patients who were operated in the university hospital, department of orthopedics and traumatology
- Ages
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18 years and older
- 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: * Having undergone reverse shoulder arthroplasty surgery due to arthropathy because of unilateral rotator cuff tear * Followed for at least 12 months after surgery. * The other unoperated shoulder is healthy. Exclusion Criteria: * Patients with revision reverse shoulder arthroplasty * Having inflammatory diseases * Not having adequate range of motion to be able to perform isokinetic test
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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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Şensu Dinçer
Istanbul, 34093, Turkey (Türkiye)
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