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This study aims to evaluate the effectiveness of an automated mobile gait training device developed based on neurodevelopmental treatment (NDT) principles for patients with hemiplegic stroke. Stroke is a major cause of long-term disability, and many survivors experience impaired walking ability that affects their independence and daily functioning. NDT is a commonly used rehabilitation approach that emphasizes therapist-guided facilitation of normal movement patterns during gait training. However, conventional NDT gait training is physically demanding and time-consuming for therapists, which may limit the amount of repetitive gait practice patients can receive.
To address these limitations, this study introduces a power-assisted gait training device capable of reproducing key therapeutic interventions typically provided by therapists. The system uses synchronized dynamic assistance, auditory cues, and wearable inertial measurement units (IMUs) to support gait training on the ground and facilitate more natural and repetitive walking practice. The IMUs provide objective gait data that are used to evaluate changes in swing-phase symmetry, pelvic rotation amplitude, and walking speed.
The primary goal of this study is to assess changes in these gait parameters following training with the proposed NDT-based assistive device. The study plans to enroll 60 adult stroke survivors (aged 20 and older) over a 3-year period starting from March 26, 2025.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| NDT Gait Training System | Device | The intervention consists of an NDT gait training device that replicates therapist-applied techniques through mechanical assistance, combined with synchronized auditory feedback and real-time gait analysis using IMU sensors. |
| Measure | Description | Time Frame |
|---|---|---|
| Swing phase asymmetry | Swing-phase asymmetry, defined as the difference in swing-phase proportion between the non-paretic and paretic limbs- will be calculated from toe-off to heel-strike timing within the gait cycle, using the wearable inertial measurement units (IMUs) before and after the NDT gait training intervention . | Baseline (pre-intervention) and post-intervention (immediately after completion of the NDT gait training program). |
| Pelvic rotation amplitude | Gait data will be acquired via wearable IMUs before and after the NDT gait training intervention, and the amplitude of pelvic rotation will be derived from axial angular velocity data. | Baseline (pre-intervention) and post-intervention (immediately after completion of the NDT gait training program). |
| Walking speed | Walking speed will be quantified during gait using IMU-based measurements, and the average walking speed for each stage will be computed from recorded motor-driven motion data and reported in meters per second (m/s). | Baseline (pre-intervention) and post-intervention (immediately after completion of the NDT gait training program). |
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Inclusion Criteria:
Exclusion Criteria:
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Adult stroke survivors with hemiplegia
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| Name | Affiliation | Role |
|---|---|---|
| Szu-Fu Chen | MD, PhD | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cheng Hsin General Hospital | Taipei | 112050 | Taiwan |
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| ID | Term |
|---|---|
| D020521 | Stroke |
| ID | Term |
|---|---|
| D002561 | Cerebrovascular Disorders |
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
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| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |