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The effect of cap lamp lighting on postural control and stability.

Authors
Sammarco-JJ; Pollard-JP; Porter-WL; Dempsey-PG; Moore-CT
Source
Int J Ind Ergon 2012 Jul; 42(4):377-383
NIOSHTIC No.
20040841
Abstract
Researchers at the National Institute for Occupational Safety and Health (NIOSH) are conducting mine illumination research with the objective of improving miner safety. Slips, trips, and falls (STFs) are the second leading accident class (18.1%, n = 2,374) of nonfatal lost-time injuries at underground mines (MSHA, 2005-2009). Factors contributing to STFs include recognition of hazards as well as postural balance and age. Improved lighting may enable better hazard recognition and reduce the impact of postural balance and age. Previous research has shown that cap lamp technology that used light-emitting diodes (LEDs) has improved hazard detection. This study was an initial investigation to determine if cap lamp lighting significantly influences measures of static postural stability (displacement and velocity of center of pressure). Results of this investigation showed no significant differences in the balance measures of interest between cap lamps tested. However, balance was shown to significantly decline (p < 0.05) when tested in an underground coal mine compared to the laboratory testing condition. Relevance to industry: Underground coal mine workers wear cap lamps on their hard hats as their primary light source to illuminate nearby areas where their vision is directed. Proper illumination may improve miner safety by improving their STF hazard recognition and balance.
Keywords
Mining-industry; Mining-equipment; Underground-miners; Safety-equipment; Illumination; Light-emission; Lighting; Headgear; Coal-miners; Injury-prevention; Mine-workers; Fall-protection; Age-factors; Posture; Visual-motor-performance; Author Keywords: Trip hazards; Visual performance; Mine safety; Illumination
Contact
John J. Sammarco, Office of Mine Safety and Health Research, National Institute for Occupational Safety and Health, 626 Cochrans Mill Rd, PO Box 18070, Pittsburgh, PA 15236, USA
Publication Date
20120701
Document Type
Journal Article
Email Address
JSammarco@cdc.gov
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Identifying No.
B06062012
Issue of Publication
4
ISSN
0169-8141
NIOSH Division
OMSHR
Priority Area
Mining
Source Name
International Journal of Industrial Ergonomics
State
PA
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