Advances in Human Strength Measurement and Modeling in Workspace

Open Access
Article
Conference Proceedings
Authors: Biman Das

Abstract: Advances made in human strength measurement and modeling in three dimensional workspace are reported. A comprehensive experimental research was conducted to determine isometric and isokinetic push, pull, push-up and pull-down strengths in the workspace and the corresponding muscle activity during exertions. Data were obtained from able-bodied adult male and female participants in the normal, maximum and extreme reach envelopes at various horizontal and vertical angles/heights in both seated and standing positions. A three dimensional isometric strength measurement system was designed and constructed. The Kin-Com dynamometer was used to measure isokinetic strength. The Flex-Com system recorded electromyography (EMG) of four muscles: biceps, triceps, anterior deltoid and erector spiane. Strength profiles or data for isometric and isokinetic strengths were highlighted. Spatial factors affecting isometric and isokinetic strengths were analyzed. Muscle activity of the selected muscles during force exertions were investigated. Predictive models or equations were developed for isometric pull strengths in maximum reach of standing men by applying multiple regression analysis.

Keywords: Human Strength Measurement, Isometric Strength, Isokinetic Strength, Isometric Strength Measurement System, Kim-Com Dynamometer, Flex-Com System, Electromyography (EMG), Regression Modeling Approach

DOI: 10.54941/10034

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