Print Email Facebook Twitter Estimation of low back moments from video analysis: A validation study Title Estimation of low back moments from video analysis: A validation study Author Coenen, P. Kingma, I. Boot, C.R.L. Faber, G.S. Xu, X. Bongers, P.M. van Dieën, J.H. Publication year 2011 Abstract 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 comprising 12 lifting conditions. Low back moments were assessed using two variants of a video analysis method and a lab-based reference method. Repeated measures ANOVAs showed no overall differences in peak moments between the two versions of the video analysis method and the reference method. However, two conditions showed a minor overestimation of one of the video analysis method moments. Standard deviations were considerable suggesting that errors in the video analysis were random. Furthermore, there was a small underestimation of dynamic components and overestimation of the static components of the moments. Intraclass correlations coefficients for peak moments showed high correspondence (>0.85) of the video analyses with the reference method. It is concluded that, when a sufficient number of measurements can be taken, the video analysis method for assessment of low back loads during lifting tasks provides valid estimates of low back moments in ergonomic practice and epidemiological studies for lifts up to a moderate level of asymmetry. © 2011 Elsevier Ltd. Subject Healthy LivingWE - Work & EmploymentThemalijnWorkplaceLiftingLow back loadingLow back painPosture matchingVideo analysisLiftingLow back painLow-back loadingPosture matchingVideo analysisErgonomicsRandom errorsRatingadultanalytical errorarticlebiomechanicsbody movementcontrolled studyepidemiological dataergonomicsfemalehumanhuman experimentintermethod comparisonmalenormal humanoccupational healthpriority journaltask performancetrunkvalidation processvideorecordingweight lifting To reference this document use: http://resolver.tudelft.nl/uuid:c09c0ccf-d92e-4178-a6da-6c00f93d59bd DOI https://doi.org/10.1016/j.jbiomech.2011.07.005 TNO identifier 435997 ISSN 0021-9290 Source Journal of Biomechanics, 44 (13), 2369-2375 Document type article Files To receive the publication files, please send an e-mail request to TNO Library.