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| Name | Class |
|---|---|
| Muscular Dystrophy Association | OTHER |
| Stevens Institute of Technology | OTHER |
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The purpose of this project is to devise instrumented insoles capable of accurately measuring gait at each footfall, over multiple hours in any environment. To achieve high accuracy, the investigators will develop a new learning-based calibration framework. Features will be tested in controlled lab settings 39 during a single visit in people with SMA (13), DMD (13) and healthy controls (13) and in 15 participants in real-life environments.
Spinal muscular atrophy (SMA) and Duchenne muscular dystrophy (DMD) are genetic disorders that often result in progressive weakness and impaired function. Results from this study will help characterize how gait is affected in SMA and DMD. This novel device can serve as a more affordable and versatile measurement instrument for neuromuscular disorders that affect gait and balance. All participants will be observed and measured while wearing the instrumented insoles in the lab and in real-life environments.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Spinal Muscular Atrophy (SMA) | ambulatory children and adults at least 5 years old by the time of enrollment with genetically confirmed SMA |
| |
| Duchenne / Becker Muscular Dystrophy (DMD/BMD) | ambulatory children and adults ages at least 5 years old by the time of enrollment with genetically confirmed Duchenne or Becker muscular dystrophy or evidence on muscle biopsy with a clinical presentation consistent with DMD /BMD. |
| |
| Healthy Control | The healthy control group will be age and gender-matched to the SMA and DMD groups as best as possible |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Observational | Other | Observational |
|
| Measure | Description | Time Frame |
|---|---|---|
| Validation of Instrumented Insoles: Six Minute Walk Test | To measure spatial parameters, kinetic parameters, temporal parameters, and metrics of cumulative activity in order to compare against the gold standard instrumented walkway participants will complete the Six Minute Walk Test. This test is an objective evaluation of functional exercise capacity, measures the maximum distance a person can walk in six minutes over a 25 meter course. This will be performed in a corridor and include the instrumented walkway. | Baseline |
| Validation of Instrumented Insoles: 10 Meter Walk/Run | To measure spatial parameters, kinetic parameters, temporal parameters, and metrics of cumulative activity in order to compare against the gold standard instrumented walkway, participants will walk, or run if able to, for 10 meters on the instrumented walkway. | Baseline |
| Validation of Instrumented Insoles: Time Up and Go Test (TUG) | To measure spatial parameters, kinetic parameters, temporal parameters, and metrics of cumulative activity in order to compare against the gold standard instrumented walkway, participants will complete the TUG test. This test is designed to test mobility after a person stands up from a seated position. This will be completed on the instrumented walkway. | Baseline |
| Validation of Instrumented Insoles: Straight Line Walking | To measure spatial parameters, kinetic parameters, temporal parameters, and metrics of cumulative activity in order to compare against the gold standard instrumented walkway, participants will be asked to walk in a straight line multiple times over the instrumented walkway. | Baseline |
| Validation of Instrumented Insoles: Circle Walking | To measure spatial parameters, kinetic parameters, temporal parameters, and metrics of cumulative activity in order to compare against the gold standard instrumented walkway participants will be asked to walk a series of half-circles on the instrumented walkway. |
| Measure | Description | Time Frame |
|---|---|---|
| Free-living Testing of Instrumented Insoles | To determine spatial parameters, kinetic parameters, temporal parameters, and metrics of cumulative activity using instrumented insoles, 5 participants with SMA, 5 participants with DMD, and 5 healthy controls will be asked to wear the insoles along with a validated activity tracker. Participants will be asked to wear the insoles during a visit to the lab, and then for one week at home in a real-life environment. Participants will be asked to wear the insoles and activity tracker for at least 4 hours per day when at home. |
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Inclusion Criteria:
One of the following categories:
Able to walk independently at least 25 meters
Exclusion Criteria:
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The study sample will include 13 ambulatory SMA participants, 13 ambulatory DMD participants, and 13 healthy controls.
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| Name | Affiliation | Role |
|---|---|---|
| Jacqueline Montes, PT, EdD | Columbia University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Columbia University Medical Center | New York | New York | 10032 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 40557477 | Derived | Montes J, Kanner CH, Duong T, Rodriguez-Torres R, Uher D, Young SD, Farooquee R, Druffner A, Pasternak A, Fragala-Pinkham M, Zanotto D. Wearable-Derived Patterns of Performance Fatigability During Gait in Spinal Muscular Atrophy. Muscle Nerve. 2025 Sep;72(3):493-501. doi: 10.1002/mus.28461. Epub 2025 Jun 25. |
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| ID | Term |
|---|---|
| D014897 | Spinal Muscular Atrophies of Childhood |
| D020388 | Muscular Dystrophy, Duchenne |
| D009134 | Muscular Atrophy, Spinal |
| D009468 | Neuromuscular Diseases |
| ID | Term |
|---|---|
| D013118 | Spinal Cord Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
| D020271 | Heredodegenerative Disorders, Nervous System |
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| ID | Term |
|---|---|
| D057832 | Watchful Waiting |
| ID | Term |
|---|---|
| D017063 | Outcome Assessment, Health Care |
| D010043 | Outcome and Process Assessment, Health Care |
| D011787 | Quality of Health Care |
| D006298 | Health Services Administration |
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| Baseline |
| Muscle Strength Testing with Hand-held Dynamometry (HHD) | HHD is used to assess strength of selected muscles. | Baseline |
| One week |
| D019636 | Neurodegenerative Diseases |
| D016472 | Motor Neuron Disease |
| D030342 | Genetic Diseases, Inborn |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |
| D009136 | Muscular Dystrophies |
| D020966 | Muscular Disorders, Atrophic |
| D009135 | Muscular Diseases |
| D009140 | Musculoskeletal Diseases |
| D040181 | Genetic Diseases, X-Linked |