The appropriated neck posture for neck and shoulder muscle activities during smartphone using in standing posture
- Conditions
- Healthy subjectSmartphoneMuscle activityStandingKinematicNeck
- Registration Number
- TCTR20190703001
- Lead Sponsor
- Research Center in Back, Neck, Other Joint Pain and Human Performance, Khon Kaen University
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- All
- Target Recruitment
- 32
1.They are healthy young adult aged between 18-25 years (Gustafsson E et al., 2011).
2.They have at least 6 month’s experience in smartphone using (Xie Y et al., 2016).
3.They use of their smartphone daily at least 2 hours per day (Xie Y et al., 2016).
4.They are right hand dominant and prefer to use dual handed text entry.
1.They have any history of traumatic injuries or surgical interventions of relevant regions within the past year (Kim GY, Ahn CS, Jeon HW, & Lee CR, 2013; Kim MS, 2015; Xie Y et al., 2016).
2.They have chronic diseases affecting musculoskeletal systems such as rheumatoid arthritis, osteoarthritis and other connective tissue disorders (Kim MS, 2015; Xie Y et al., 2016).
3.They have visual problems, which cannot be corrected by glasses, dizziness, and vertigo (Kim GY et al., 2013).
4.They had taken any sedative drug or alcohol within the past 48 hours (Kim GY et al., 2013).
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method eck and shoulder muscle activity 2 minutes during smartphone texting Surface electromyography,Neck and shoulder kinematic 2 minutes during smartphone texting 2D video recording and digitizing by Kinovea software
- Secondary Outcome Measures
Name Time Method eck discomfort score end of 2 minutes during smartphone texting scoring on visual analogue scale (VAS)