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A Whole Body Postural Loading Simulation and Assessment Model for Workplace Analysis and Design

Rebelo F., Da Silva K. C., Karwowski W.

International Journal of Occupational Safety and Ergonomics

2012

Vol. 18, No. 4

509--519

This study reports on the development and validation of a new computer model for simulating human postures at work, and assessing the reaction forces and bending moments in 43 human articulation joints. The proposed model estimates the intradiscal pressure in the vertebral column in response to external loading forces encountered during human interactions with work objects or processes. The model was implemented in a selfcontained interactive software package. The simulation results compare favorably with the reported experimental data, and provide reasonable confidence in the quality of the model. Its characteristics and its applications in evaluating physical task performance are also discussed.