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Partly visible peri...
Partly visible periods in posture observation from video : prevalence and effect on summary estimates of postures in the job
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- Trask, Catherine (författare)
- Högskolan i Gävle,Arbetshälsovetenskap,Centrum för belastningsskadeforskning
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- Mathiassen, Svend Erik (författare)
- Högskolan i Gävle,Arbetshälsovetenskap,Centrum för belastningsskadeforskning
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- Rostami, Mehdi (författare)
- School of Public Health, University of Saskatchewan, Canada
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(creator_code:org_t)
- Elsevier BV, 2015
- 2015
- Engelska.
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Ingår i: Applied Ergonomics. - : Elsevier BV. - 0003-6870 .- 1872-9126. ; 49, s. 63-69
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We investigated the extent to which observers rate clearly visible postures on video differently from postures that are only partly visible, and whether this would have an effect on full-shift posture summaries. Trunk and upper arm postures were observed from 10,413 video frames representing 80 shifts of baggage handling; observers reported whether postures were fully or only partly visible. Postures were summarized for each shift into several standard metrics using all available data, only fully visible frames, or only partly visible frames. 78% of trunk and 71% of upper arm postural observations were inferred. When based on all data, mean and 90th percentile trunk postures were 1.3° and 5.4° lower, respectively, than when based only on fully visible situations. For the arm; differences in mean and 90thpercentile were 2.5° and 8.1°. Daily posture summaries can, thus, be significantly influenced by whether partly visible postures are included or not
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
Nyckelord
- Observation
- ergonomics
- posture
- exposure assessment
- validity
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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