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International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 2    
Website: http://www.ijser.org
scirp IJSER >> Volume 3,Issue 2,February 2012
An Ergonomic Evaluation and Intervention Model: Macro Ergonomic Approach
Full Text(PDF, )  PP.256-262  
Author(s)
N. Sadra Abarghouei, H. Hosseini Nasab
KEYWORDS
— Macro Ergonomics, Micro Ergonomics, Developing Countries, Musculoskeletal disorders, Productivity, Evaluation
ABSTRACT
The nature of ergonomics performs a unique role in protecting human health and preventing health risks. It is clear that improvements in productivity indices in the systems can be seen, resulting in better work conditions for people employed in production and services systems. Investigative results reveal that theoretical and applicable discussions about ergonomic science have not been considered seriously. In this research, a theoretical model has been developed and operated in an educational organization (EO) in order to lead and guide the "Ergonomics Interventions Process (EIP)" and to evaluate it. Therefore, EIP begins with macro ergonomic intervention and then the necessary planning is done and applied in the second stage simultaneously for micro ergonomic interventions. In this study, the results of "Total Ergonomics" (Micro and Macro ergonomics) intervention evaluations show that positive effects of applying this knowledge can be seen in increased productivity and reduced musculoskeletal disorder (MSDs). A performance comparison with the base year indicates lower costs, increased revenue and more work accomplished with a smaller work force. Data analysis of "body mapping questionnaire" showed a significant difference in confidence of ninety-nine percent between the sample and control population and a reduction in the number of musculoskeletal disorders. These indices indicate the positive effect of intervention ergonomics.
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