| Anthropometry-corrected exposure modeling as a method to improve trunk posture assessment with a single inclinometer. | |
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MedLine Citation:
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PMID: 23351120 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Measuring trunk posture in the workplace commonly involves subjective observation or self-report methods or the use of costly and time-consuming motion analysis systems (current gold standard). This work compared trunk inclination measurements using a simple data-logging inclinometer with trunk flexion measurements using a motion analysis system, and evaluated adding measures of subject anthropometry to exposure prediction models to improve the agreement between the two methods. Simulated lifting tasks (n = 36) were performed by eight participants, and trunk postures were simultaneously measured with each method. There were significant differences between the two methods, with the inclinometer initially explaining 47% of the variance in the motion analysis measurements. However, adding one key anthropometric parameter (lower arm length) to the inclinometer-based trunk flexion prediction model reduced the differences between the two systems and accounted for 79% of the motion analysis method's variance. Although caution must be applied when generalizing lower-arm length as a correction factor, the overall strategy of anthropometric modeling is a novel contribution. In this lifting-based study, by accounting for subject anthropometry, a single, simple data-logging inclinometer shows promise for trunk posture measurement and may have utility in larger-scale field studies where similar types of tasks are performed. |
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Authors:
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Robin Van Driel; Catherine Trask; Peter W Johnson; Jack P Callaghan; Mieke Koehoorn; Kay Teschke |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of occupational and environmental hygiene Volume: 10 ISSN: 1545-9632 ISO Abbreviation: J Occup Environ Hyg Publication Date: 2013 Mar |
Date Detail:
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Created Date: 2013-01-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101189458 Medline TA: J Occup Environ Hyg Country: England |
Other Details:
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Languages: eng Pagination: 143-54 Citation Subset: IM |
Affiliation:
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a School of Population and Public Health, University of British Columbia , Vancouver , Canada. |
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Descriptor/Qualifier:
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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