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Assessment of video display workstation set up on risk factors associated with the development of low back and neck discomfort.

Authors
Babski-Reeves-K; Stanfield-J; Hughes-L
Source
Int J Ind Ergon 2005 Jul; 35(7):593-604
NIOSHTIC No.
20031232
Abstract
Approximately 33% of visual display terminal (VDT) operators report back and neck pain annually. As a result, a number of "ergonomic" chairs have been developed ranging the price spectrum. The objectives of this study were to (1) assess the effects of monitor height and chair type on low back and neck muscle activity, perceived level of discomfort (PLD), and posture shifts; and (2) determine if chairs at opposing ends of their price spectrum differ in the physiological benefits. Two levels of monitor height and chair type were assessed. The findings of this research indicate that the interaction of monitor height and chair type significantly affects the loads placed on the human body. Task demands also play an important role in the loads placed on the body, posture fixity, and level of discomfort reported. Therefore, the location of VDT equipment and chair selection should be based on task demands to minimize static loading and discomfort. In general, no gross physiological differences were identified between high and low cost chairs, again supporting the recommendation that chair selection be based on task demands.
Keywords
Video-display-terminals; Risk-factors; Risk-analysis; Back-injuries; Neck-injuries; Injuries; Posture; Physiological-factors; Musculoskeletal-system-disorders; Workers; Worker-health; Office-equipment; Office-furniture; Office-workers
Publication Date
20050701
Document Type
Journal Article
Funding Type
Grant
Fiscal Year
2005
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-T01-OH-008613
Issue of Publication
7
ISSN
0169-8141
Source Name
International Journal of Industrial Ergonomics
State
VA
Performing Organization
Department of Industrial and Systems Engineering, Virginia Tech University, Blacksburg, Virginia
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