3Deyo R A. Low Back Pair[J].Scientific Arnerican, 1998,279(8):49-53.
4Jinyan D. The Development of a Methodology for Assessing Industrial workstations using Computer-aided Ergonomics and Digital human models[D]. Faculty of Mississippi State University,December,2005.
5Nelson N A, Richard E H. Quantifying relationships between selected work-related risk factors and back pain: A systematic review of objective biomechanical measures and cost-related health outcomes [J]. International Journal of Industrial Ergonomics, 2008, (10) : 1-9.
6Patrick G. Dempsey & Svend Erik Mathiassen,on the evolution of task based analysis of manual materials handling, and its applicability in contemporary ergonomics [J]. Applied Ergonomics, 2006, (37) : 33-43.