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Effect of Whole-Body Vibration on Delayed-Onset Muscle Soreness and Recovery of Muscle Function after Eccentric Exercise

Protocol summary

Summary
Objective: To investigate the acute effect of Whole Body Vibration Training (WBVT) on preventing delayed-onset muscle soreness (DOMS). Design: A randomized clinical trial was undertaken. Participants: 32 healthy untrained volunteers were recruited from the university community and assigned randomly into two groups: WBVT (n=15) and control (n=17). Interventions: subjects performed 6 sets of 10 maximal isokinetic (60̊.s-1) eccentric actions of knee extensors with dominant limb on a dynamometer. WBV was performed on a vibratory platform (Power Plate) (35 Hz, 5 mm peak-to-peak amplitude), with knee bent at 100̊ flexion for 60 seconds in the WBVT group before eccentric exercise, while no vibration was applied in the control group. Main outcome measurements: Muscle soreness, thigh circumference and pressure pain threshold (PPT) were recorded at baseline, 1, 2, 3, 4, 7, and 14 days postexercise. Maximal voluntary isometric and isokinetic knee extensor strength were assessed at baseline, immediately after, 1, 2, 7, and 14 days postexercise. Serum creatine kinase (CK) was measured at baseline, 1, 2, and 7 days postexercise.

General information

Acronym
IRCT registration information
IRCT registration number: IRCT138712111722N1
Registration date: 2009-07-16, 1388/04/25
Registration timing: retrospective

Last update:
Update count: 0
Registration date
2009-07-16, 1388/04/25
Registrant information
Name
Samira Karimpour
Name of organization / entity
Country
Iran (Islamic Republic of)
Phone
+98 21 7753 3939
Email address
hadianrs@sina.tums.ac.ir
Recruitment status
Recruitment complete
Funding source
This study was supported by a grant from the postgraduate Studies and Research Program, Tehran University of Medical Sciences.
Expected recruitment start date
2008-04-06, 1387/01/18
Expected recruitment end date
2008-09-12, 1387/06/22
Actual recruitment start date
empty
Actual recruitment end date
empty
Trial completion date
empty
Scientific title
Effect of Whole-Body Vibration on Delayed-Onset Muscle Soreness and Recovery of Muscle Function after Eccentric Exercise
Public title
Effect of Vibration on Exercise-induced Muscle Soreness
Purpose
Prevention
Inclusion/Exclusion criteria
Inclusion criteria: healthy subjects Exclusion criteria: positive history of cardiac disease, peripheral vascular disease, diabetes, epilepsy, neuromuscular disease, asthma, renal failure, total hip arthroplasty, total knee arthroplasty, acute hernia, discopathy, tumor, cardiac pacemaker, high blood pressure, migraine, participation in strength training program, having injection in a week before intervention, recently implanted pin and plaque
Age
From 19 years old to 26 years old
Gender
Both
Phase
N/A
Groups that have been masked
No information
Sample size
Target sample size: 32
Randomization (investigator's opinion)
Randomized
Randomization description
Blinding (investigator's opinion)
Not blinded
Blinding description
Placebo
Not used
Assignment
Parallel
Other design features

Secondary Ids

empty

Ethics committees

1

Ethics committee
Name of ethics committee
Deputy of Research, Tehran University of Medical Sciences
Street address
Keshavarz Blvd. Kods street
City
Tehran
Postal code
14167
Approval date
2007-11-13, 1386/08/22
Ethics committee reference number
260/1974

Health conditions studied

1

Description of health condition studied
Delayed onset muscle sorenss
ICD-10 code
M79.9
ICD-10 code description
Soft tissue disorder, unspecified

Primary outcomes

1

Description
serum creatine kinase enzyme
Timepoint
before intervention, on 1, 2, and 7 days post intervention
Method of measurement
blood sample

Secondary outcomes

1

Description
isometric strength of quadriceps muscle
Timepoint
before intervention, on the days 1, 2, 7, and 14 postexercise
Method of measurement
isokinetic dynamometery, Biodex system 3

2

Description
pressure pain threshold
Timepoint
before intervention, on the days 1, 2, 3, 4, 7, and 14 postexercise
Method of measurement
using a specific device instrumented for measuring pressure pain threshold

3

Description
thigh circumferences
Timepoint
before intervention, on the days 1, 2, 3, 4, 7, and 14 postexercise
Method of measurement
tape measure

4

Description
subjective pain (soreness)
Timepoint
before intervention, on the days 1, 2, 3, 4, 7, and 14 postexercise
Method of measurement
Visual Analogue Scale

5

Description
eccentric strength of quadriceps muscle
Timepoint
before intervention, on the days 1, 2, 7, and 14 postexercise
Method of measurement
isokinetic dynamometery, Biodex system 3

Intervention groups

1

Description
Intervention group: intervention was consisted of applying whole body vibration, 35 Hz, 5 mm peak-to-peak amplitude, in standing position with knee bent at 100 flexion for 1 minute, through Power Plate device, before receiving DOMS-inducing eccentric exercise.
Category
Prevention

2

Description
Control group: no intervention
Category
N/A

Recruitment centers

1

Recruitment center
Name of recruitment center
Biomechanic laboratory of Rehabilitation Faculty
Full name of responsible person
Atefeh Aminian-far
Street address
Rehabilitation Faculty, Pich e Shemiran. Enghelab Street
City
Tehran

Sponsors / Funding sources

1

Sponsor
Name of organization / entity
Deputy of Education, Tehran university of Medical Sciences
Full name of responsible person
Dr. Hossein Keshavarz
Street address
Keshavarz Blvd, Kods street
City
Tehran
Grant name
Grant code / Reference number
260/1974
Is the source of funding the same sponsor organization/entity?
Yes
Title of funding source
Deputy of Education, Tehran university of Medical Sciences
Proportion provided by this source
100
Public or private sector
empty
Domestic or foreign origin
empty
Category of foreign source of funding
empty
Country of origin
Type of organization providing the funding
empty

Person responsible for general inquiries

Contact
Name of organization / entity
Rehabilitation Faculty
Full name of responsible person
Atefeh Aminian-far
Position
Ph.D candidate of physiotherapy
Other areas of specialty/work
Street address
Rehabilitation Faculty, Pich e Shemiran, Enghelab Street
City
Tehran
Postal code
1148965141
Phone
+98 21 7753 3939
Fax
Email
aminianfar@razi.tums.ac.ir
Web page address

Person responsible for scientific inquiries

Contact
Name of organization / entity
Rehabilitation Faculty, Brain and Spinal Injury Research center (BASIR), Imam Khomeini Hospital
Full name of responsible person
Dr. Mohammad Reza Hadian
Position
Professor, Tehran University of Medical Sciences (TUMS), Faculty of Rehabilitation
Other areas of specialty/work
Street address
Rehabilitation Faculty, Pich e Shemiran, Enghelab Street
City
Tehran
Postal code
1148965141
Phone
+98 21 7753 6134
Fax
+98 21 7753 4133
Email
hadianrs@sina.tums.ac.ir
Web page address

Person responsible for updating data

Contact
Name of organization / entity
Rehabilitation Faculty
Full name of responsible person
Atefeh Aminian-far
Position
Ph.D candidate of physiotherapy
Other areas of specialty/work
Street address
Rehabilitation Faculty, Pich e Shemiran, Enghelab Street
City
Tehran
Postal code
1148965141
Phone
+98 21 7753 3939
Fax
Email
aminianfar@razi.tums.ac.ir
Web page address

Sharing plan

Deidentified Individual Participant Data Set (IPD)
empty
Study Protocol
empty
Statistical Analysis Plan
empty
Informed Consent Form
empty
Clinical Study Report
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Analytic Code
empty
Data Dictionary
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