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    Controllability and maintenance of human trunk response surface for isometric extension strength

    , Article ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, ESDA2010, 12 July 2010 through 14 July 2010 ; Volume 1 , July , 2010 , Pages 733-738 ; 9780791849156 (ISBN) Azghani, M. R ; Farahmand, F ; Meghdari, A ; Hakkak, F ; Parnianpour, M ; ASME Turkey Section; Loughborough University ; Sharif University of Technology
    From an ergonomic point of view, quantitative assessment of the feasibility of the task performance is an intricate process, which combines the multidimensional task demand profile with the individual's multidimensional performance capacity profile. Trunk muscle strength is affected by the trunk posture but it is not clear how the variability of trunk muscle is affected by the trunk posture or exertion level. A validated triaxial dynamometer, Sharif-LIST, was used for to model the surface response of trunk muscle extension strength variability as a function of trunk posture in the sagittal, coronal and transverse planes in standing position. Fifteen healthy males with no history of low back...