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The aim of this study is to observe and to compare effects of segmental vibration on flexors versus extensor muscle groups on upper limb function in post-stroke patients. This study will be helpful in finding out that either low frequency segmental vibration on flexors muscle group is better in improving upper limb function or low frequency segmental vibration on extensor muscle group is more beneficent in improving upper limb function.
Stroke is the leading cause of long-term disability and is often associated with persistent involvement of upper limbs.Several disturbances are the manifestation of UL impairments after stroke (i.e., muscle weakness, changes in muscle tone, joint disturbances, impaired motor control) . Muscular weakness and spasticity are most commonly observed in post stroke patients. There are many strategies are developed to improve functional status and to reduce spasticity pattern in post stroke patients. Among the different approaches to improve motor functions in post stroke patients, vibration therapy gives strong stimulatory effects in post paretic limb. Segmental muscle vibration (SMV) is a fairly new technique that has been used to improve motor function and inhibit spasticity in the hemiplegic upper extremity of patients following a stroke. In SMV, a vibratory stimulus is applied to a specific muscle tendon using a mechanical device unit.The aim of this study is to observe and to compare effects of segmental vibration on flexors versus extensor muscle groups on upper limb function in post-stroke patients. This study will be helpful in finding out that either low frequency segmental vibration on flexors muscle group is better in improving upper limb function or low frequency segmental vibration on extensor muscle group is more beneficent in improving upper limb function.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Experimental Group A | Experimental | will recieve (low frequency segmental muscle vibration of 41 Hz over flexors muscles of upper limb Pectoralis minor, Biceps brachii, Flexor carpi muscle + general physical therapy session ) The transducer applied perpendicular to the muscle near its distal tendon insertion.The application consisted of 3 vibration sessions each with duration of 5 minutes for each muscle with 1 minute interval separated these sessions during the interval muscle vibration will interrupted and the subject will request to relax the muscle |
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| Experimental Group B | Experimental | group receive (low frequency segmental muscle vibration of 41 Hz over extensors muscles of upper limb Triceps brachii, Extensor carpi radialis longus & brevis + general physical therapy session ) The transducer applied perpendicular to the muscle near its distal tendon insertion The application consisted of 3 vibration sessions each with duration of 5 minutes for each muscle with 1 minute interval separated these sessions during the interval muscle vibration will interrupted and the subject will request to relax the muscle |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| segmental muscle vibration | Device | Segmental muscle vibration will delivered over the target muscles by means of vibrator with general physical therapy session |
|
| Measure | Description | Time Frame |
|---|---|---|
| Wolf Motor Functional Test | WMFT is valid and reliable on assessing upper extremities motor function of stroke patients. The WFMT is a tool with high interrater reliability, internal consistency, test-retest reliability and adequate stability. | 10 to 15 minutes |
| Modified Ashworth Scale | This scale measures resistance during passive soft-tissue stretching and is used as a simple measure of spasticity | 4 to 5 minutes |
| Fugl Meyer Assessment | Fugl Meyer Assessment | 10 minutes |
| Manual Muscle Testing | to check muscle strength | 8 to 10 minutes |
| • Brunnstrom Stages of Stroke Recovery • Brunnstrom Stages of Stroke Recovery Brunnstrom Stages of Stroke Recovery | to check the stages of improvemnet | 5 to 10 minutes |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Aruba Saeed, PhD* | Riphah international university.pakistan | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Muhammad shahid shabbir | Rawalpindi | Punjab Province | Pakistan | |||
| Riphah International University |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 41316550 | Derived | Shabbir MS, Saeed A, Tariq S, Shabbir N, Nasir R, Riaz H. Effects of segmental muscle vibration on flexor and extensor groups of the upper limb in enhancing functional recovery after stroke: A randomized trial. J Bodyw Mov Ther. 2025 Dec;45:1-7. doi: 10.1016/j.jbmt.2025.07.019. Epub 2025 Jul 25. |
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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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Assignment
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|
| Rawalpindi |
| Punjab Province |
| Pakistan |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |