- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04213352
A Comparison of Two Different Wrist Immobilization Methods
Muscle Activation Of The Upper Trapezius During Computer Typing Task: A Comparison of Two Different Wrist Immobilization Methods
The aim of this study is to examine the effect of the splint and rigid taping on the muscle activation of the upper trapezius muscle during computer typing tasks in office workers.
The study will be conducted on 10 healthy office workers. The study subjects will be asked to type on a computer for 5 minutes (1) without splint or taping, (2) with a splint and (3) with rigid taping which limits the wrist flexion at the dominant side. The upper trapezius muscle activation will be recorded by surface EMG during the task. The mean values will be normalized according to Maximum Voluntary Isometric Contraction (MVIC) and %MVIC values.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Halit SELÇUK, M.Sc., Ph.D. (c)
- Phone Number: +905384855543
- Email: selcukhalit@gmail.com
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Being an office worker between 20-35 years of age
- Using a computer for at least 4 hours a day
- Working full time for at least 1 year without any upper extremity pathology
Exclusion Criteria:
- Having a body mass index of 30 kg / m2 or more on the day of evaluation
- Using muscle relaxants 72 hours before the evaluation
- Exercising within the last 48 hours
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Screening
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
No Intervention: Control Group
The subjects will be asked to type on a computer for 5 minutes without splint or taping.
The upper trapezius muscle activation will be recorded by surface EMG during the task.
The mean values will be normalized according to Maximum Voluntary Isometric Contraction (MVIC) and %MVIC values.
|
|
Experimental: Splint Group
The subjects will be asked to type on a computer for 5 minutes with a splint.
The upper trapezius muscle activation will be recorded by surface EMG during the task.
The mean values will be normalized according to Maximum Voluntary Isometric Contraction (MVIC) and %MVIC values.
|
Neutral position and volar supported wrist orthosis which limits the flexion and deviation while allowing pronation, supination, and extension of the wrist.
|
Experimental: Rigid Taping Group
The subjects will be asked to type on a computer for 5 minutes with rigid taping which limits the wrist flexion at the dominant side.
The upper trapezius muscle activation will be recorded by surface EMG during the task.
The mean values will be normalized according to Maximum Voluntary Isometric Contraction (MVIC) and %MVIC values.
|
Rigid taping in the neutral position will be performed to allow pronation, supination, and extension of the wrist while limiting the flexion and deviation.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Measurement of Muscle Activation for Control Group
Time Frame: It will be recorded at baseline for MVIC and 1 minute after baseline while performing the 5-minute typing task on computer for %MVIC
|
Surface Electromyography (sEMG) device will be used for measurement of muscle activation.
The electrodes going to be placed according to the SENIAM criteria(1).
First, the MVIC will be performed by each individual in the manual muscle testing position.
6 seconds MVIC will be measured with 3 repetitions and a 3-minute rest period going to be given.
The highest value of the three measurements will be recorded as MVIC.
The computer task consists of typing 300-word text for 5 minutes.
Individuals will be instructed about the typing task and to be seated comfortably and as close to screen as possible.
The 5-minute typing task will be performed without orthosis or taping.
The upper trapezius muscle activation will be recorded with the sEMG.
The number of words participants wrote will be noted.
To prevent muscle fatigue, a resting period of 5 minutes will be given.
The mean values (mV) during the writing task with sEMG will be normalized according to MVIC and %MVIC values will be determined.
|
It will be recorded at baseline for MVIC and 1 minute after baseline while performing the 5-minute typing task on computer for %MVIC
|
Measurement of Muscle Activation for Splint Group
Time Frame: It will be recorded at baseline for MVIC and 1 minute after baseline while performing the 5-minute typing task on computer for %MVIC
|
Surface Electromyography (sEMG) device will be used for measurement of muscle activation.
The electrodes going to be placed according to the SENIAM criteria(1).
First, the MVIC will be performed by each individual in the manual muscle testing position.
6 seconds MVIC will be measured with 3 repetitions and a 3-minute rest period going to be given.
The highest value of the three measurements will be recorded as MVIC.
The computer task consists of typing 300-word text for 5 minutes.
Individuals will be instructed about the typing task and to be seated comfortably and as close to screen as possible.
The 5-minute typing task will be performed with orthosis.
The upper trapezius muscle activation will be recorded with the sEMG.
The number of words participants wrote will be noted.
To prevent muscle fatigue, a resting period of 5 minutes will be given.
The mean values (mV) during the writing task with sEMG will be normalized according to MVIC and %MVIC values will be determined.
|
It will be recorded at baseline for MVIC and 1 minute after baseline while performing the 5-minute typing task on computer for %MVIC
|
Measurement of Muscle Activation for Rigid Taping Group
Time Frame: It will be recorded at baseline for MVIC and 10 minutes after baseline while performing the 5-minute typing task on computer for %MVIC
|
Surface Electromyography (sEMG) device will be used for measurement of muscle activation.
The electrodes going to be placed according to the SENIAM criteria(1).
First, the MVIC will be performed by each individual in the manual muscle testing position.
6 seconds MVIC will be measured with 3 repetitions and a 3-minute rest period going to be given.
The highest value of the three measurements will be recorded as MVIC.
The computer task consists of typing 300-word text for 5 minutes.
Individuals will be instructed about the typing task and to be seated comfortably and as close to screen as possible.
The 5-minute typing task will be performed with rigid taping.
The upper trapezius muscle activation will be recorded with the sEMG.
The number of words participants wrote will be noted.
To prevent muscle fatigue, a resting period of 5 minutes will be given.
The mean values (mV) during the writing task with sEMG will be normalized according to MVIC and %MVIC values will be determined.
|
It will be recorded at baseline for MVIC and 10 minutes after baseline while performing the 5-minute typing task on computer for %MVIC
|
Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 31.10.2019/113
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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