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Relative contribution of workplace factors and individual characteristics in the development of spine loads.

Authors
Davis-KG; Marras-WS; Waters-TR
Source
Proceedings of the Human Factors and Ergonomics Society 46th Annual Meeting, September 29 - October 4, 2002, Baltimore, Maryland, Bringing Fundamentals & New Opportunities. Santa Monica, CA: Human Factors and Ergonomics Society, 2002 Sep; 46(Ind Erg):1066-1070
NIOSHTIC No.
20023142
Abstract
Thirty males and thirty females performed lifting tasks while being exposed to varying levels of physical (box weight, task asymmetry), psychosocial (social support and mental concentration), and combination (lift rate, box placement) workplace factors. The study investigated the impact of these variables as well as individual factors (gender, personality) on trunk kinematics and kinetics, muscle activity, and the three-dimensional spinal loads. The study results indicate box weight, placement control, individual's anthropometry, and to a lesser extent gender and personality directly impact the loads on the spine as well as the trunk kinematics, kinetics, and muscle activity. Both the physical and mental aspects of the workplace must then be considered when developing ergonomic interventions.
Keywords
Spinal-cord-disorders; Physical-stress; Psychological-factors; Work-practices; Workplace-studies; Back-injuries; Muscle-stress; Muscle-tension; Anthropometry; Mental-stress; Materials-handling; Manual-materials-handling; Manual-lifting; Ergonomics
CODEN
PHFSDQ
Publication Date
20020901
Document Type
Conference/Symposia Proceedings
Fiscal Year
2002
NTIS Accession No.
NTIS Price
ISBN No.
9780945289203
Issue of Publication
Ind Erg
ISSN
1071-1813
NIOSH Division
DART
Source Name
Proceedings of the Human Factors and Ergonomics Society 46th Annual Meeting, September 29 - October 4, 2002, Baltimore, Maryland, Bringing Fundamentals & New Opportunities
State
OH
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