An analysis of injury claims from low-seam coal mines |
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Authors: | Sean Gallagher [Author Vitae] Susan Moore [Author Vitae]Author Vitae] |
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Affiliation: | National Institute for Occupational Safety and Health, Mining Injury Prevention Branch, PO Box 18070, Pittsburgh, PA 15236-0070, USA |
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Abstract: | IntroductionThe restricted workspace present in low-seam coal mines forces workers to adopt awkward working postures (kneeling and stooping), which place high physical demands on the knee and lower back.MethodThis article provides an analysis of injury claims for eight mining companies operating low-seam coal mines during calendar years 1996-2008. All cost data were normalized using data on the cost of medical care (MPI) as provided by the U.S. Bureau of Labor Statistics.ResultsResults of the analysis indicate that the knee was the body part that led in terms of claim cost ($4.2 million), followed by injuries to the lower back ($2.7 million). While the average cost per injury for these body parts was $13,100 and $14,400, respectively (close to the average cost of an injury overall), the high frequency of these injuries resulted in their pre-eminence in terms of cost. Analysis of data from individual mining companies suggest that knee and lower back injuries were a consistent problem across companies, as these injuries were each among the top five most costly part of body for seven out of eight companies studied.Application/ImpactResults of this investigation suggest that efforts to reduce the frequency of knee and low back injuries in low-seam mines have the potential to create substantial cost savings. |
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Keywords: | Mining Knee disorders Low back disorders Restricted workspace Posture Musculoskeletal disorders Injury costs |
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