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The investigator assumed that perturbed-event-induced vibrotactile cueing enable more precision arm movement adjustment, sensory function and dexterity improvement in the spastic arm. Thus the specific aim of the study was to develop a vibrotactile therapy system that can provide vibrotactile feedback through the pinch performance of the hand when countering mechanically induced perturbations and also analyzed training effects of the perturbation-based pinch task training system on the sensorimotor performance of the hands for stroke patients.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Vibratory perturbed task-specific movement training | Experimental | Intervention: 10 minutes of traditional sensorimotor facilitation followed by 20 minutes of vibratory perturbed task-specific movement training |
|
| Traditional task-oriented facilitation | Active Comparator | Intervention:10 minutes of traditional sensorimotor training followed by 20 minutes of reach-to-grasp and hand release training. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Vibratory perturbed task-specific movement training | Other | The perturbation-based pinch task training was conducted with the affected hand placed on the pinch device. The horizontal vibratory perturbation was generated for a total of 20 minutes by two recoil-type actuators with a frequency of 30 Hz and an amplitude of 2 mm, and intermittent exposure (10 s per 30 s). Each training session was divided into eight cycles with a training interval of 2 min per 2.5 min. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in the result of Fugl-Meyer assessment for UE motor function | Each item is rated on a three-point ordinal scale (2 points for the detail being performed completely, 1 point for the detail being performed partially, and 0 for the detail not being performed). The maximum motor performance score is 66 points for the upper extremity.completely, 1 point for the detail being performed partially, and 0 for the detail not being performed). The maximum motor performance score is 66 points for the upper extremity. | baseline, endpoint (6 weeks) and follow up (18 weeks) |
| Change in the result of Modified Ashworth scale (MAS) | Muscle tone is defined by the resistance of a muscle being stretched.The tester graded the resistance felt, with a single score. The higher values represent a worse outcome. 0 point for no increase in muscle tone; 1 point for slight increase in muscle tone, manifested by a catch or by minimal resistance at the end of the range of motion (ROM) when the affected part is moved in flexion or extension; 1 + for slight increase in muscle tone, manifested by a catch, followed by minimal resistance throughout the remainder (less than half) of the ROM; 2 point for more marked increase in muscle tone through most of the ROM, but affected parteasily moved, 3 point for considerable increase in muscle tone and passive movement difficult; 4 point for affected part rigid in flexion or extension. | baseline, endpoint (6 weeks) and follow up (18 weeks) |
| Change in the result of Box and blocks test | The score is the number of blocks carried from one box to the other in one minute. Higher values represent a better outcome. | baseline, endpoint (6 weeks) and follow up (18 weeks) |
| Change in the result of Semmes-Weinstein monofilament (SWM) test | The Semmes-Weinstein monofilamenttest examines the cutaneous pressure threshold, range from 1.65-6.65. Higher values represent a worse outcome. | baseline, endpoint (6 weeks) and follow up (18 weeks) |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| National Cheng-Kung University Hospital | Tainan | 704 | Taiwan |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 33278364 | Derived | Hsu HY, Kuan TS, Tsai CL, Wu PT, Kuo YL, Su FC, Kuo LC. Effect of a Novel Perturbation-Based Pinch Task Training on Sensorimotor Performance of Upper Extremity for Patients With Chronic Stroke: A Pilot Randomized Controlled Trial. Arch Phys Med Rehabil. 2021 May;102(5):811-818. doi: 10.1016/j.apmr.2020.11.004. Epub 2020 Dec 2. |
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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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|
| Traditional task-oriented facilitation | Other | Reach-to-grasp training and hand release training |
|
| Sensorimotor training | Other | Targeted to goals that are relevant to the sensorimotor facilitation of the patient |
|
| Change in the result of Motor Activity Log | MAL is a structured interview with testing sensitivity used to examine how much (amount of use, AOU) and how well (quality of movement, QOM) the subject uses their more-affected arm. For the 30 items MAL, each item is scored on a 0-5-ordinal scale. | baseline, endpoint (6 weeks) and follow up (18 weeks) |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |