A Comparison Study of Posture and Fatigue of Neck According to Monitor Types (Moving and Fixed Monitor) by Using Flexion Relaxation Phenomenon (FRP) and Craniovertebral Angle (CVA)
This study quantified the neck posture and fatigue using the flexion relaxation phenomenon (FRP) and craniovertebral angle (CVA); further, it compared the difference between the level of fatigue and neck posture induced by two types of monitors (regular fixed monitor and moving monitor). Twenty-thre...
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doaj-eca350e52ce24de0a093583726e969732020-11-25T03:52:11ZengMDPI AGInternational Journal of Environmental Research and Public Health1661-78271660-46012020-08-01176345634510.3390/ijerph17176345A Comparison Study of Posture and Fatigue of Neck According to Monitor Types (Moving and Fixed Monitor) by Using Flexion Relaxation Phenomenon (FRP) and Craniovertebral Angle (CVA)Kyeong-Hee Choi0Min-Uk Cho1Chae-Won Park2Seoung-Yeon Kim3Min-Jung Kim4Boram Hong5Yong-Ku Kong6Department of Industrial Engineering, Sungkyunkwan University, Suwon 16419, KoreaDepartment of Industrial Engineering, Sungkyunkwan University, Suwon 16419, KoreaDepartment of Industrial Engineering, Sungkyunkwan University, Suwon 16419, KoreaDepartment of Industrial Engineering, Sungkyunkwan University, Suwon 16419, KoreaDepartment of Industrial Engineering, Sungkyunkwan University, Suwon 16419, KoreaDOTHEAL Co., Ltd., Suwon 16690, KoreaDepartment of Industrial Engineering, Sungkyunkwan University, Suwon 16419, KoreaThis study quantified the neck posture and fatigue using the flexion relaxation phenomenon (FRP) and craniovertebral angle (CVA); further, it compared the difference between the level of fatigue and neck posture induced by two types of monitors (regular fixed monitor and moving monitor). Twenty-three male participants were classified into two groups—the low-flexion relaxation ratio (FRR) group and the normal-FRR group, depending on the FRR value. All participants performed a document task for 50 min using both types of monitors. It was found that the FRR values significantly decreased after the documentation task. The CVA analysis showed that the moving monitor’s frequency of forward head posture (FHP) was lower than that for the fixed monitor. Overall, the moving monitor worked better than the fixed monitor; this can be interpreted as proof that such monitors can reduce neck fatigue.https://www.mdpi.com/1660-4601/17/17/6345forward head posture (FHP)flexion relaxation phenomenon (FRP)visual display terminal (VDT)neck fatiguecraniovertebral angle (CVA) |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Kyeong-Hee Choi Min-Uk Cho Chae-Won Park Seoung-Yeon Kim Min-Jung Kim Boram Hong Yong-Ku Kong |
spellingShingle |
Kyeong-Hee Choi Min-Uk Cho Chae-Won Park Seoung-Yeon Kim Min-Jung Kim Boram Hong Yong-Ku Kong A Comparison Study of Posture and Fatigue of Neck According to Monitor Types (Moving and Fixed Monitor) by Using Flexion Relaxation Phenomenon (FRP) and Craniovertebral Angle (CVA) International Journal of Environmental Research and Public Health forward head posture (FHP) flexion relaxation phenomenon (FRP) visual display terminal (VDT) neck fatigue craniovertebral angle (CVA) |
author_facet |
Kyeong-Hee Choi Min-Uk Cho Chae-Won Park Seoung-Yeon Kim Min-Jung Kim Boram Hong Yong-Ku Kong |
author_sort |
Kyeong-Hee Choi |
title |
A Comparison Study of Posture and Fatigue of Neck According to Monitor Types (Moving and Fixed Monitor) by Using Flexion Relaxation Phenomenon (FRP) and Craniovertebral Angle (CVA) |
title_short |
A Comparison Study of Posture and Fatigue of Neck According to Monitor Types (Moving and Fixed Monitor) by Using Flexion Relaxation Phenomenon (FRP) and Craniovertebral Angle (CVA) |
title_full |
A Comparison Study of Posture and Fatigue of Neck According to Monitor Types (Moving and Fixed Monitor) by Using Flexion Relaxation Phenomenon (FRP) and Craniovertebral Angle (CVA) |
title_fullStr |
A Comparison Study of Posture and Fatigue of Neck According to Monitor Types (Moving and Fixed Monitor) by Using Flexion Relaxation Phenomenon (FRP) and Craniovertebral Angle (CVA) |
title_full_unstemmed |
A Comparison Study of Posture and Fatigue of Neck According to Monitor Types (Moving and Fixed Monitor) by Using Flexion Relaxation Phenomenon (FRP) and Craniovertebral Angle (CVA) |
title_sort |
comparison study of posture and fatigue of neck according to monitor types (moving and fixed monitor) by using flexion relaxation phenomenon (frp) and craniovertebral angle (cva) |
publisher |
MDPI AG |
series |
International Journal of Environmental Research and Public Health |
issn |
1661-7827 1660-4601 |
publishDate |
2020-08-01 |
description |
This study quantified the neck posture and fatigue using the flexion relaxation phenomenon (FRP) and craniovertebral angle (CVA); further, it compared the difference between the level of fatigue and neck posture induced by two types of monitors (regular fixed monitor and moving monitor). Twenty-three male participants were classified into two groups—the low-flexion relaxation ratio (FRR) group and the normal-FRR group, depending on the FRR value. All participants performed a document task for 50 min using both types of monitors. It was found that the FRR values significantly decreased after the documentation task. The CVA analysis showed that the moving monitor’s frequency of forward head posture (FHP) was lower than that for the fixed monitor. Overall, the moving monitor worked better than the fixed monitor; this can be interpreted as proof that such monitors can reduce neck fatigue. |
topic |
forward head posture (FHP) flexion relaxation phenomenon (FRP) visual display terminal (VDT) neck fatigue craniovertebral angle (CVA) |
url |
https://www.mdpi.com/1660-4601/17/17/6345 |
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