Effects of Whole Body Vibration in Subacute Stroke Patients
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ClinicalTrials.gov Identifier: NCT00796237 |
Recruitment Status : Unknown
Verified August 2011 by The Hong Kong Polytechnic University.
Recruitment status was: Recruiting
First Posted : November 24, 2008
Last Update Posted : August 9, 2011
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Condition or disease | Intervention/treatment | Phase |
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Stroke | Device: Whole body vibration therapy Other: standing on the vibration platform but no vibration will be applied | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 60 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Single (Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | Effects of Whole Body Vibration Training on Bone Health, Physical Fitness, and Neuromotor Performance in Individuals With Subacute Stroke: a Randomized Controlled Trial |
Study Start Date : | May 2008 |
Estimated Primary Completion Date : | December 2011 |
Estimated Study Completion Date : | December 2011 |

Arm | Intervention/treatment |
---|---|
Experimental: WBV
In their regular physiotherapy sessions, the subjects in the experimental group will receive whole body vibration therapy for a duration of 4 weeks during their stay in the Tung Wah Hospital.
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Device: Whole body vibration therapy
In their regular physiotherapy sessions, the subjects in the experimental group will receive WBV (20-240Hz, 10-minute sessions, 1 session per day, 5 sessions per week). The vibration loading will be carried out using the Fit-Vibe System (Germany), which is a vibration platform that is capable of generating vertical vibration. |
Active Comparator: CON
The subjects in this group will not receive whole body vibration therapy.
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Other: standing on the vibration platform but no vibration will be applied
The subjects in this group will perform the same exercises on the vibration platform as in the experimental group for the same duration, but no vibration will be given. |
- Level of bone resorption marker CTx [ Time Frame: baseline, immediately after treatment, and 2-month follow-up ]
- Level of bone formation marker, BSAP [ Time Frame: baseline, immediately after treatment, and 2-month follow-up ]
- Six minute walk test [ Time Frame: baseline, immediately after treatment, and 2-month follow-up ]
- Ankle arm index [ Time Frame: baseline, immediately after treatment, and 2-month follow-up ]
- Functional Ambulation category [ Time Frame: baseline, immediately after treatment, and 2-month follow-up ]
- Leg muscle strength (hand-held dynamometry) [ Time Frame: baseline, immediately after treatment, and 2-month follow-up ]
- Berg Balance Scale [ Time Frame: baseline, immediately after treatment, and 2-month follow-up ]
- Modified Ashworth Scale of Spasticity [ Time Frame: baseline, immediately after treatment, and 2-month follow-up ]
- Sensory threshold to light touch in the foot [ Time Frame: baseline, immediately after treatment, and 2-month follow-up ]
- Fugl-Meyer Motor Assessment [ Time Frame: baseline, immediately after treatment, and 2-month follow-up ]

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- diagnosis of stroke
- medically stable
- able to understand simple verbal commands
- of chinese origin
Exclusion Criteria:
- previous stroke in addition to the current admission
- other neurological conditions, in addition to stroke
- significant musculoskeletal or vascular conditions in the lower extremity
- metal implants in the lower extremity
- previous fracture in the lower extremity
- are taking or were taking bone resorption inhibitors

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00796237
Contact: Ricky WK Lau, MSc | 85298743644 | rsricky@inet.polyu.edu.hk |
Hong Kong | |
Tung Wah Hospital | Recruiting |
Hong Kong, Hong Kong | |
Contact: Leonard SW Li, MD lswli@hkucc.hku.hk | |
Principal Investigator: Leonard SW Li, MD | |
Sub-Investigator: Felix HF Chung, MSc | |
Sub-Investigator: Ricky WK Lau, MSc |
Principal Investigator: | Marco YC Pang, PhD | Hong Kong Polytechnic University |
Responsible Party: | Marco Yiu-Chung Pang, Hong Kong Polytechnic University |
ClinicalTrials.gov Identifier: | NCT00796237 |
Other Study ID Numbers: |
UW-08-032 |
First Posted: | November 24, 2008 Key Record Dates |
Last Update Posted: | August 9, 2011 |
Last Verified: | August 2011 |
stroke bone gait |
muscle vibration motor balance |
Stroke Cerebrovascular Disorders Brain Diseases Central Nervous System Diseases |
Nervous System Diseases Vascular Diseases Cardiovascular Diseases |