- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06208631
Effects of Movement Retraining on Knee Loading in Individuals With Knee Osteoarthritis
Effects of Haptic Movement Retraining on Osteoarthritis Progression
This study investigates how well individuals with knee osteoarthritis can learn to alter their calf muscle activation using haptic biofeedback while walking and evaluates how these changes affect knee loading.
Prior research has utilized musculoskeletal simulations to determine that reducing the activation of one of the calf muscles, the gastrocnemius, can have a large impact on reducing knee loading. However, this has not been tested in individuals with knee osteoarthritis. In this study, participants will be trained to alter the activation of their gastrocnemius muscle, by receiving haptic feedback after each step. The feedback will indicate how the participant changed their muscle activation relative to baseline. Participants will train for up to three sessions, with 30 minutes of walking with feedback in each session. If a participant can learn to adjust their muscle activation in the first training session, they will be able to complete the second training session. An exploratory third session may be conducted to investigate changes in knee loading while using the new walking strategy during over-ground walking.
The movement data collected during the training sessions will be used as inputs to computer simulations of the musculoskeletal system to determine if walking with the new muscle activation strategy reduces knee loading.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Study Team
- Phone Number: 650-721-2547
- Email: oawalking@lists.stanford.edu
Study Locations
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California
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Stanford, California, United States, 94305
- Recruiting
- Stanford Human Performance Lab
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Contact:
- Scott D Uhlrich, PhD
- Phone Number: 650-721-2547
- Email: oawalking@lists.stanford.edu
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Medial and/or lateral compartment knee osteoarthritis
- Diagnosed with knee osteoarthritis of at least six months duration
- Ambulatory without aids
- Able to walk for at least 60 minutes
- Typical pain rating less than or equal to 4 on scale of 0-10
- Able to reduce gastrocnemius muscle activation by 10% from baseline
Exclusion Criteria:
- History of symptomatic arthritis in lower limb joints other than the knees
- Replacement of any lower extremity joint
- Symptoms originating from the patellofemoral joint
- Body mass index equal to or greater than 35
- Nerve or muscle disease associated with walking difficulty
- History of rheumatoid arthritis, gout, or autoimmune disease
- History of lower limb fracture or surgery requiring hospitalization
- Pregnant
- Severe knee malalignment, defined as a hip-knee-ankle angle of more than 5 degrees from neutral
- Recurrent giving way of the knee
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Gait modification
Participants will learn to change muscle coordination while walking through real-time haptic biofeedback based on the activation of the gastrocnemius muscle
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Changing muscle coordination while walking
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline in knee contact force
Time Frame: Evaluated during the second session of up to 30 minutes of gait retraining
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Knee contact force will be evaluated using motion capture data and musculoskeletal modeling and simulations, for participants that are able to reduce gastrocnemius activation.
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Evaluated during the second session of up to 30 minutes of gait retraining
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline in gastrocnemius activation
Time Frame: Evaluated during first session of up to 30 minutes of gait retraining and the second session of up to 30 minutes of gait retraining
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Gastrocnemius activation measured through EMG signals.
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Evaluated during first session of up to 30 minutes of gait retraining and the second session of up to 30 minutes of gait retraining
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Proportion of participants that reduce gastrocnemius activation
Time Frame: Evaluated during first session of up to 30 minutes of gait retraining and the second session of up to 30 minutes of gait retraining
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Gastrocnemius activation will be measured through electromyography (EMG) signals, and the muscle activation during gait retraining will be compared to baseline walking.
Participants that can reduce gastrocnemius activation 10% or more from baseline within 30 minutes of gait retraining will be counted as participants that can reduce gastrocnemius activation out of the total number of participants who try the gait retraining.
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Evaluated during first session of up to 30 minutes of gait retraining and the second session of up to 30 minutes of gait retraining
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Proportion of participants that reduce knee contact force
Time Frame: Evaluated during the second session of up to 30 minutes of gait retraining
|
For the participants who can successfully reduce gastrocnemius activation from baseline, knee contact force will be calculated using motion capture data and musculoskeletal modeling and simulations.
The proportion of participants that reduce knee contact force from baseline during gait retraining out of the total participants that reduce gastrocnemius activation will be evaluated.
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Evaluated during the second session of up to 30 minutes of gait retraining
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Scott L Delp, PhD, Stanford University
Publications and helpful links
General Publications
- Uhlrich SD, Jackson RW, Seth A, Kolesar JA, Delp SL. Muscle coordination retraining inspired by musculoskeletal simulations reduces knee contact force. Sci Rep. 2022 Jul 7;12(1):9842. doi: 10.1038/s41598-022-13386-9.
- Demers MS, Pal S, Delp SL. Changes in tibiofemoral forces due to variations in muscle activity during walking. J Orthop Res. 2014 Jun;32(6):769-76. doi: 10.1002/jor.22601. Epub 2014 Feb 26.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 34928
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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