- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05009303
Reliability and Validity of the OneStep Smartphone Application for Gait Analysis
Assessment of Reliability and Validity of the OneStep Smartphone Application for Gait Analysis During Treadmill Walking
Study Overview
Status
Intervention / Treatment
Detailed Description
Background:
The current gold standard for gait analyses are laboratories equipped for three-dimensional gait analysis. However, a major drawback of these laboratories is their inability to examine gait in patients' own environment. Therefore, there is a need for an inexpensive, portable, easy-to-use, and reliable gait tracking method. Wearable devices and smartphones may provide a solution. The OneStep smartphone application (app) is one such technology. It can be downloaded to a smartphone, placed in the pants pocket, and once activated, can collect gait data while a subject is in motion. In an earlier study, the OneStep app has been used to collect data on patients with lower extremity disability or pain, during in-hospital physiotherapy sessions, self-exercises in the hospital or at home, and other daily activities, to assess patients' adherence to and compliance with the prescribed rehabilitation regimen.
Study Objectives:
The goal of this study is to expand the utilization of the OneStep app in gait parameters analysis by:
- Collecting and analyzing new walking parameters: main parts of the foot bearing weight; walking base; identification of which part hits the ground first during the initial contact; ankle and knee range of motion; pelvic movement
- Validating the OneStep app against standard gait measurement tools among both healthy volunteers and patients
- Assessing the test-retest reliability of the OneStep app gait measurements.
Method:
The study sample will include a total of 100 participants: 30 healthy volunteers and 70 patients. Each participant will have two sessions using the treadmill for walks of up to 15 minutes, with the second walking session used for test-retest reliability assessment. Healthy volunteers will complete the second session on the same day as the first session after a 10-minute break. Patients will complete the second session within one week of the first. A check-in phase will be performed at the beginning of each session, during which the participants (specifically the patients) will be instructed to rest for up to 10 min, to ensure their performance on treadmill is not affected by prior physical activities.
During both sessions, participants will use the C-Mill treadmill (Motek, Amsterdam, Netherlands) and will be equipped with 2 smartphones placed on each hip. As some patients will not be able to keep on walking for 15 minutes, a minimal duration of the required walk was set at 2 minutes. Sessions will be recorded using two high resolution video cameras. The phones will be placed in a participant's front pants pockets; for those without pockets, two leg harnesses will be provided with space to hold the phones.
Data obtained from all participants will be collected and analyzed for gait parameters. Patients were instructed to walk at a comfortable gait speed. Healthy volunteers were given a specific walking protocol of 15 minutes each, which consisted of 14 selected gait types with different speeds and walking styles.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Tel Aviv, Israel
- Reuth Rehabilitation Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Men and women aged 18 to 65.
- Able to walk independently or with assistance (human / walking aids).
- Able to speak and read in Hebrew fluently.
- Patients requiring lower limb rehabilitation course (inpatient/outpatient) due to lower limb disability or chronic pain
- Ability to successfully complete a routine 6-minute walking test (as part of treatment)
- Mini-Mental State Examination (MMSE) Score ≥ 24
Exclusion Criteria:
- Subjects requiring prosthetics or orthoses.
- Subject unable to step on their foot.
Subject unfit to participate in the study according to the judgment of the principal investigator, including but not limited to:
3.1 Known pregnancy. 3.2 Existing cardio-pulmonary disease. 3.3 Balance impairment 3.4 visual disturbances (not rectified by glasses) 3.5 history of falls
- As walking on the treadmill with a walking aid will not be allowed, patients unable to walk without a walking aid will be excluded (use of handrails during walking will be permitted).
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Participants
Thirty healthy individuals and seventy patients suffering from chronic pain or disability in one or both of their lower extremities
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OneStep technology is a smartphone application that utilizes smartphone sensors to provide ongoing gait diagnostics.
Each participant will have two sessions, during which, they will walk on a C-Mill smart treadmill for up to 15 minutes (with a minimum of 2 minutes), while carrying 2 smartphones and being recorded via two video cameras.
The second walking session, conducted under similar conditions, will be used for test-retest reliability.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cadence
Time Frame: A walking session of up to 15 minutes
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Number of steps per minute [in steps per minute]
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A walking session of up to 15 minutes
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Gait Speed
Time Frame: A walking session of up to 15 minutes
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Time one takes to walk a specified distance [Expressed as ratio between distance and time, in meters per second]
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A walking session of up to 15 minutes
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Stride Length
Time Frame: A walking session of up to 15 minutes
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Distance [in cm] covered when one takes two steps, one with each foot, measured from ipsilateral heel contact to the next ipsilateral heel contact (right-to-right or left-to-left heel)
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A walking session of up to 15 minutes
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Step Length
Time Frame: A walking session of up to 15 minutes
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The distance [in cm] between the heel strike of one foot and the heel strike of the opposite foot (measured separately for each foot)
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A walking session of up to 15 minutes
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Swing Phase Duration
Time Frame: A walking session of up to 15 minutes
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The swing phase of gait begins when the foot first leaves the ground and ends when the same foot touches the ground again.
[Expressed in seconds or as percentage of the gait cycle] (measured separately for each foot)
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A walking session of up to 15 minutes
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Stance Phase Duration
Time Frame: A walking session of up to 15 minutes
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The stance phase of gait begins when the foot first touches the ground and ends when the same foot leaves the ground.
[Expressed in seconds or as percentage of the gait cycle] (measured separately for each foot)
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A walking session of up to 15 minutes
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Single Limb Support Duration
Time Frame: A walking session of up to 15 minutes
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Part of the swing phase where only one limb in in contact with the ground [Expressed in seconds or as percentage of the stance phase] (measured separately for each foot)
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A walking session of up to 15 minutes
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Double Limb Support Duration
Time Frame: A walking session of up to 15 minutes
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Part of the swing phase where both limbs are in contact with the ground [Expressed in seconds or as percentage of the stance phase]
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A walking session of up to 15 minutes
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Dana Gefen-Doron, MD, Reuth Rehabilitation Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Anticipated)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 0003-21-RRH
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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