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http://dx.doi.org/10.15207/JKCS.2020.11.9.277

Convergence Study of Wearing Head-Mounted Display on Cervical Range of Motion, Neck Muscles Thickness, and Pain  

Oh, So-Hyun (Dept. of Physical Therapy, Baekseok University)
Choung, Sung-Dae (Dept. of Physical Therapy, Baekseok University)
Shim, Jae-Hoon (Dept. of Physical Therapy, Baekseok University)
Yang, No-yul (Dept. of Occupational therapy, Chungnam state University)
Publication Information
Journal of the Korea Convergence Society / v.11, no.9, 2020 , pp. 277-285 More about this Journal
Abstract
The purpose of this study was to evaluate the effects of wearing Head-Mounted Display (HMD) on the cervical range of motion (CROM), neck muscle thickness, and pain in healthy young adults. The HMD group(male=16, female=7) was asked to perform sitting comfortably in a backless chair with hands on their knees with the HMD was worn on their heads to watch the video for 30 minutes. The control group(male=15, female=8) was asked to sit in the same posture as the HMD group for 30 minutes. CROM, neck muscle thickness, and pressure pain threshold (PPT) of both the upper trapezius and levator scapulae were measured before and after intervention. CROM and PPT of the upper trapezius and levator scapulae in the HMD group were significantly decreased and the thickness of the muscles in the HMD group were significantly increased more than in the pre-test (p<.05). There was no significant difference in CROM, muscle thickness, and PPT in the control group. Wearing HMD for a long time can cause a decrease in CROM and PPT and an increase in muscle thickness, and there is a risk of developing musculoskeletal disorders in the neck and shoulder. Therefore, this study recommends maintaining the correct posture of the neck and shoulder and using HMD only for an appropriate time.
Keywords
Cervical range of motion; Head-Mounted Display; Muscle thickness; Pressure pain threshold; Convergence;
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Times Cited By KSCI : 8  (Citation Analysis)
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