The Effects of Whole Body Vibration in People With Chronic Stroke

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

COMPLETED

Clinical Phase

NA

Total Enrollment

80 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-06-28

Study Completion Date

2018-08-28

Brief Summary

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Whole body vibration (WBV) has been found to be useful in promoting bone health and muscle performance in older adults. To date, no study has examined the effects of different WBV frequencies on the properties of the muscle-bone unit in stroke patients. The overall aim of the proposed study is to compare the efficacy of different vibration frequencies on properties of the muscle function and bone turnover among people with chronic stroke.

It is hypothesized that the higher-vibration frequency protocol will lead to significantly better outcomes related to the bone turnover and muscle function.

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Detailed Description

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Whole body vibration (WBV) has been found to be useful in promoting bone health and muscle performance in older adults. To date, no study has examined the effects of different WBV frequencies on the properties of the muscle-bone unit in stroke patients. The overall aim of the proposed study is to compare the efficacy of different vibration frequencies on properties of the muscle function and bone turnover among people with chronic stroke.

It is hypothesized that the higher-vibration frequency protocol will lead to significantly better outcomes related to the bone turnover and muscle function in people with chronic 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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High frequency whole body vibration

This group will receive a single 8-minute session of WBV therapy. The frequency of the vibration signals will be set at 30Hz.

Group Type EXPERIMENTAL

High frequency whole body vibration

Intervention Type PROCEDURE

1 single session ( 8 minutes) of whole body vibration therapy at 30 Hz

low frequency whole body vibration

This group will receive a single 12-minute session of WBV. The frequency of the vibration signals will be set at 20 Hz.

Group Type ACTIVE_COMPARATOR

Low frequency whole body vibration

Intervention Type PROCEDURE

1 single session ( 12 minutes) of whole body vibration therapy at 20 Hz

Interventions

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High frequency whole body vibration

1 single session ( 8 minutes) of whole body vibration therapy at 30 Hz

Intervention Type PROCEDURE

Low frequency whole body vibration

1 single session ( 12 minutes) of whole body vibration therapy at 20 Hz

Intervention Type PROCEDURE

Other Intervention Names

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Whole body vibration therapy (30Hz) Whole body vibration therapy (20Hz)

Eligibility Criteria

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Inclusion Criteria

1. a diagnosis of stroke
2. stroke onset \>6 months
3. \>18 years of age
4. able to walk for short distance independently with or without walking aid
5. able to understand simple verbal commands

Exclusion Criteria

1. neurological conditions other than stroke
2. significant musculoskeletal conditions (e.g. amputations)
3. metal implants in the lower extremity
4. previous fracture of the lower extremity
5. are currently taking bone resorption inhibitors or were taking the same before stroke.
6. significant peripheral vascular disease
7. vestibular disorders
8. pregnancy
9. Other serious illnesses that preclude the person from participating in the study

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes