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Coenen, P. (author), Kingma, I. (author), Boot, C.R.L. (author), Faber, G.S. (author), Xu, X. (author), Bongers, P.M. (author), van Dieën, J.H. (author)
This study aimed to develop, compare and validate two versions of a video analysis method for assessment of low back moments during occupational lifting tasks since for epidemiological studies and ergonomic practice relatively cheap and easily applicable methods to assess low back loads are needed. Ten healthy subjects participated in a protocol...
article 2011
document
Coenen, P. (author), Kingma, I. (author), Boot, C.R.L. (author), Bongers, P.M. (author), van Dieën, J.H. (author)
Background: Cumulative low-back load is suggested to be associated with low back pain, possibly due to (micro-)fractures of spinal segments. Based on available in vitro data it can be assumed that, in order to predict spine segment failure from cumulative compressive loading, load magnitude should be weighted with an exponent higher than one,...
article 2012
document
Coenen, P. (author), Kingma, I. (author), Boot, C.R.L. (author), Bongers, P.M. (author), van Dieën, J.H. (author)
Valid and reliable low-back load assessment tools that can be used in field situations are needed for epidemiologic studies and for ergonomic practice. The aim of this study was to assess the inter-rater reliability of a low-back load video-analysis method in a field setting.Five raters analyzed 50 work site manual material handling tasks of 14...
article 2013
document
Coenen, P. (author), Kingma, I. (author), Boot, C.R.L. (author), Twisk, J.W.R. (author), Bongers, P.M. (author), van Dieën, J.H. (author)
Purpose Much research has been performed on physical exposures during work (e.g. lifting, trunk flexion or body vibrations) as risk factors for low back pain (LBP), however results are inconsistent. Information on the effect of doses (e.g. spinal force or low back moments) on LBP may be more reliable but is lacking yet. The aim of the present...
article 2013
document
Coenen, P. (author), Mathiassen, S.E. (author), Kingma, I. (author), Boot, C.R.L. (author), Bongers, P.M. (author), van Dieen, J.H. (author)
Session: 14. Exposure Assessment II
conference paper 2013
document
Coenen, P. (author), Kingma, I. (author), Boot, C.R.L. (author), Bongers, P.M. (author), van Dieën, J.H. (author)
Objectives: Reported associations of physical exposures during work (eg, lifting, trunk flexion or rotation) and low-back pain (LBP) are rather inconsistent. Mechanical back loads (eg, moments on the low back) as a result of exposure to abovementioned risk factors have been suggested to be important as such loads provide a more direct...
article 2014
document
Coenen, P. (author), Mathiassen, S.E. (author), Kingma, I. (author), Boot, C.R.L. (author), Bongers, P.M. (author), van Dieën, J.H. (author)
Objectives: Exposure-outcome studies, for instance on work-related low-back pain (LBP), often classify workers into groups for which exposures are estimated from measurements on a sample of workers within or outside the specific study. The present study investigated the influence on bias and power in exposure-outcome associations of the sizes of...
article 2015
document
Coenen, P. (author), Kingma, I. (author), Boot, C.R.L. (author), Bongers, P.M. (author), van Dieën, J.H. (author)
The trade-off between feasibility and accuracy of measurements of physical exposure at the workplace has often been discussed, but is unsufficiently understood. We therefore explored the effect of two low-back loading measurement tools with different accuracies on exposure estimates and their associations with low-back pain (LBP). Low-back...
article 2015
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