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Title: The effect of ergonomic intervention on discomfort in computer users with tension neck syndrome
Authors: K. Mekhora
C. B. Liston
S. Nanthavanij
J. H. Cole
Mahidol University
Curtin University
Sirindhorn International Institute of Technology, Thammasat University
Keywords: Engineering;Social Sciences
Issue Date: 1-Sep-2000
Citation: International Journal of Industrial Ergonomics. Vol.26, No.3 (2000), 367-379
Abstract: To investigate the long-term effects of ergonomic intervention on neck and shoulder discomfort among computer users who have symptoms of tension neck syndrome, using simple materials and protocols, 80 Thai volunteers with symptoms of tension neck syndrome were identified through administration of a questionnaire to 470 computer users. Two pre-tests were conducted to determine subjects' level of discomfort before the planned intervention commenced. Half of the subjects' work stations were immediately adjusted according to ergonomic recommendations for individual anthropometry. The other half received the intervention 3 months later. Discomfort evaluations (head, neck, shoulders, arms, and back) were conducted eight times within 6 months for both groups. The same patterns of decrease in the levels of discomfort of all body parts were present in both groups. Substantial variation in the level of discomfort over time for each body part in each subject was noted after the intervention. However, the mean level of discomfort ratings before and after receiving intervention were significantly different. It was concluded that ergonomic intervention can help reduce the discomfort level of subjects with tension neck syndrome. In addition, the study supports the use of simple materials which can be used by individuals to adjust their own workstations according to ergonomic recommendations. Relevance to industry: Tension neck syndrome is a common disorder found in visual display terminal (VDT) users. Ergonomic intervention can help prevent and decrease the symptoms resulting in less absenteeism and higher productivity and efficiency. Using simple materials for intervention makes it feasible for workers to modify their own workstations to gain the benefit from basic ergonomic recommendations. (C) 2000 Elsevier Science B.V.
ISSN: 01698141
Appears in Collections:Scopus 1991-2000

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