The comparison of immediate effects of Whole body vibration and muscle energy technique on hamstring muscle flexibility and stiffness in healthy young females.
Determination of acute effect of Whole Body vibration(WBV) and Muscle Energy technique(MET) on hamstring flexibilit and stiffness
Design
The present study was a Randomized clinical trial. Randomization was done using balanced block randomization method. Fifty six patients were enrolled through two parallel groups
Settings and conduct
The study was carried out at the Biomechanics Laboratory of Tehran University of Medical Sciences. At first, participants were evaluated with Active Knee Extension test, Modified Sit & Reach test and Stiffness measuring. Then they were randomly assigned to one of the treatment groups. After the intervention, they did the same pre-treatment assessment again.
Participants/Inclusion and exclusion criteria
Inclusion criteria: Women aged between 18-30 years old; BMI between 18.5-29.5; 20 degree or more extension lack during active knee extention; Satisfaction with participation in the project.
Non inclusion criteria: Cardiovascular, Respiratory, Neurology and Musculo-skeletal diseases; using lower extremity prosthesis; pregnancy; severe deformity of lower extremity
Intervention groups
Intervention group 1 (Muscle Energy Technique): In the MET group, the isometric contraction of the hamstring muscle in 3 parts and the transfer of the knee to the greater range of motion are used to increase flexibility and reduce stiffness.
Intervention group 2 (Whole Body Vibration): In the WBV group, vibration by platform with 3 HZ frequency and 2mm amplitude is used to increase flexibility and reduce stiffness.
Main outcome variables
Hamstring proximal head flexibility; Hamstring distal head flexibility; Stiffness
General information
Reason for update
Acronym
IRCT registration information
IRCT registration number:IRCT20180926041140N1
Registration date:2018-11-11, 1397/08/20
Registration timing:retrospective
Last update:2018-11-11, 1397/08/20
Update count:0
Registration date
2018-11-11, 1397/08/20
Registrant information
Name
Maryam Azizi
Name of organization / entity
Country
Iran (Islamic Republic of)
Phone
+98 21 7752 8468
Email address
pt_maryamazizi@yahoo.com
Recruitment status
Recruitment complete
Funding source
Expected recruitment start date
2018-06-30, 1397/04/09
Expected recruitment end date
2018-10-29, 1397/08/07
Actual recruitment start date
empty
Actual recruitment end date
empty
Trial completion date
empty
Scientific title
The comparison of immediate effects of Whole body vibration and muscle energy technique on hamstring muscle flexibility and stiffness in healthy young females.
Public title
The comparison of WBV and MET on flexibility and stiffness
Purpose
Treatment
Inclusion/Exclusion criteria
Inclusion criteria:
Age between 18-30 years old
20 degree or more extension lack during active knee extension
BMI between 18.5 to 29.5
Satisfaction with participation in the project
Exclusion criteria:
Participation in sport activities 3 days or more in a week
Severe deformities in the back, hip, knee and ankle
Lower extremity prosthesis
Chronic musculo-skeletal disorders
Pregnancy
Neurological and Vestibular disorders
Cardiovascular and Respiratory disorders
History of Epilepsy, Seizure and Migraine
History of hamstring strain
Age
From 18 years old to 30 years old
Gender
Female
Phase
N/A
Groups that have been masked
No information
Sample size
Target sample size:
56
Randomization (investigator's opinion)
Randomized
Randomization description
Randomization was performed using a Balanced Block method, in which we designed four blocks of available probabilities, so that in each block, two were from the MET group and two from the WBV group, and the number of possible probabilities was 6. Then, using Excel we created a list of numbers from 1 to 6 and arranged the blocks according to the list of numbers.
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
Ethics committee on biomedical research of Tehran University of Medical Sciences
Street address
Headquarters of the Ministry of Health and Medical Education, Simaye Iran st, Qods township
City
Tehran
Province
Tehran
Postal code
1148956111
Approval date
2018-06-20, 1397/03/30
Ethics committee reference number
IR.TUMS.VCR.REC.1397.194
Health conditions studied
1
Description of health condition studied
Hamstring tightness
ICD-10 code
ICD-10 code description
Primary outcomes
1
Description
Flexibility of hamstring distal head
Timepoint
Before and immediately after intervention
Method of measurement
Goniometer
2
Description
Flexibility of hamstring proximal head
Timepoint
Before and immediately after intervention
Method of measurement
Flex tester box
3
Description
Hamstring stiffness
Timepoint
Before and immediately after intervention
Method of measurement
Biodex system 3
Secondary outcomes
empty
Intervention groups
1
Description
Intervention group: Muscle energy technique, controlled isometric contraction from the target muscle and then transfer the knee to the greater extension range
Category
Rehabilitation
2
Description
Intervention group: Whole body vibration, vibrations with a frequency of 30 Hz and amplitude of 2 mm are applied through the platform to the whole body.
Category
Rehabilitation
Recruitment centers
1
Recruitment center
Name of recruitment center
Biomechanic laboratory of rehabilitation faculty, Tehran University of Medical Sciences
Full name of responsible person
Maryam Azizi
Street address
At the corner of Safi Alishah street, Enqelab-Eslami street
City
Tehran
Province
Tehran
Postal code
1148956111
Phone
+98 21 7753 5132
Email
pt_maryamazizi@yahoo.com
Sponsors / Funding sources
1
Sponsor
Name of organization / entity
Tehran University of Medical Sciences
Full name of responsible person
Seyyed Mohsen Mir
Street address
Rehabilitation faculty, At the corner of Safi Alishah street, Enqelab-Eslami street
City
Tehran
Province
Tehran
Postal code
1148956111
Phone
+98 21 7753 5132
Email
Rehabilitation@tums.ac.ir
Grant name
Grant code / Reference number
Is the source of funding the same sponsor organization/entity?
Yes
Title of funding source
Tehran University of Medical Sciences
Proportion provided by this source
100
Public or private sector
Public
Domestic or foreign origin
Domestic
Category of foreign source of funding
empty
Country of origin
Type of organization providing the funding
Academic
Person responsible for general inquiries
Contact
Name of organization / entity
Tehran University of Medical Sciences
Full name of responsible person
Maryam Azizi
Position
Student
Latest degree
Bachelor
Other areas of specialty/work
Physiotherapy
Street address
Rehabilitation faculty, At the corner of Safi Alishah street, Enqelab-Eslami street
City
Tehran
Province
Tehran
Postal code
1148956111
Phone
+98 21 7753 5132
Email
pt_maryamazizi@yahoo.com
Person responsible for scientific inquiries
Contact
Name of organization / entity
Tehran University of Medical Sciences
Full name of responsible person
Maryam Azizi
Position
Student
Latest degree
Bachelor
Other areas of specialty/work
Physiotherapy
Street address
Rehabilitation faculty of Tehran University of Medical Sciences, At the corner of Safi Alishah street, Enqelab-Eslami street
City
Tehran
Province
Tehran
Postal code
1148956111
Phone
+98 21 7752 8468
Fax
Email
pt_maryamazizi@yahoo.com
Person responsible for updating data
Contact
Name of organization / entity
Tehran University of Medical Sciences
Full name of responsible person
Maryam Azizi
Position
Student
Latest degree
Bachelor
Other areas of specialty/work
Physiotherapy
Street address
Rehabilitation faculty of Tehran University of Medical Sciences, At the corner of Safi Alishah street, Enqelab-Eslami street
City
Tehran
Province
Tehran
Postal code
1148956111
Phone
+98 21 7752 8468
Fax
Email
pt_maryamazizi@yahoo.com
Sharing plan
Deidentified Individual Participant Data Set (IPD)
No - There is not a plan to make this available
Justification/reason for indecision/not sharing IPD