Actively Recruiting
Concordance Between an App-based Range of Motion Measurement and Standard Goniometer for Knee Range of Motion
Led by Zimmer Biomet · Updated on 2026-01-20
41
Participants Needed
1
Research Sites
21 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
This research aims to evaluate how well the mymobility app measures knee range of motion compared to a clinician's traditional goniometer assessment. The study focuses on knee range of motion and will observe the agreement between these two measurement methods. It is an observational study sponsored by Zimmer Biomet. Participants will have their knee range of motion measured three times during a single visit. First, the mymobility app will be used to assess the knee's range of motion. Then, two different assessors will each measure the knee range of motion twice using a goniometer, with each assessor unaware of the other's measurements. This process allows comparison between the app and standard clinical tools. During the visit, researchers will record active knee flexion, active knee extension, and passive knee extension with overpressure. These measurements will help determine the agreement between the app and clinical assessments. The study involves only one visit, and participants will undergo these evaluations during that time to contribute to the research findings.
CONDITIONS
Brief Title
Mymobility Knee ROM
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Patient is a minimum of 18 years of age
- Patient is willing and able to provide written Informed Consent by signing and dating the IRB-approved Informed Consent form
You will not qualify if you...
- The patient is currently participating in any other study that would hinder the assessor's ability to measure knee ROM
- Complex primary knee pathology with significant restrictions on the range of motion per surgeon discretion
- Patient is pregnant or considered a member of a protected population (e.g. prisoner, mentally incompetent, etc.)
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Your Study Journey
Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
Duration - 1 day
Participants have their knee range of motion measured using an app and a standard goniometer by two blinded assessors.
1 visit (in-person)
Trial Site Locations
Total: 1 location
1
Center for Advanced Orthopedics and Sports Medicine
Auburn Hills, Michigan, United States, 48326
Actively Recruiting
Research Team
E
Erik Kowalski, PhD
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
1
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