Effects of Whole Body Vibration in Subacute Stroke Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-05-31

Study Completion Date

2011-12-31

Brief Summary

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The overall aim of the proposed study is to determine whether whole body vibration is beneficial in promoting bone turnover, physical fitness and neuromotor performance in patients with subacute stroke.

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Detailed Description

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Brief periods of Whole body vibration (WBV) have been shown to improve bone density in post-menopausal women and children with cerebral palsy. In addition to the apparent benefits on bone health, WBV has been shown to increase muscle strength, postural control, muscular blood flow and oxygen uptake in various populations. Therefore, WBV can potentially be used as a tool to improve muscle strength, balance, and cardiovascular performance, especially for those with relatively low level of functioning. Stroke patients are therefore possible beneficiaries of WBV, as they often demonstrate muscle weakness, balance deficits, and poor cardiovascular function, in addition to bone loss. Only one pilot study has examined the effects of WBV in stroke patients. Van Nes et al.showed that postural stability in chronic stroke patients is improved after a few minutes of WBV at 30Hz and 3mm amplitude. The overall aim of the proposed study is to determine whether whole body vibration is beneficial in promoting bone turnover, physical fitness and neuromotor performance in patients with subacute stroke.

Conditions

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Stroke

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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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.

Group Type EXPERIMENTAL

Whole body vibration therapy

Intervention Type DEVICE

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.

CON

The subjects in this group will not receive whole body vibration therapy.

Group Type ACTIVE_COMPARATOR

standing on the vibration platform but no vibration will be applied

Intervention Type OTHER

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.

Interventions

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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.

Intervention Type DEVICE

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.

Intervention Type OTHER

Eligibility Criteria

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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

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No