Volume 57, Issue 3 (8 1999)
Tehran Univ Med J 1999, 57(3): 52-58 |
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Nasl Seraji J, Kachoian H. Ergonomics evaluation of work posture in OWAS method in Ballast mines. Tehran Univ Med J 1999; 57 (3) :52-58
URL: http://tumj.tums.ac.ir/article-1-1459-en.html
URL: http://tumj.tums.ac.ir/article-1-1459-en.html
Abstract: (15644 Views)
In this study, musculoskeletal disorders incidents have been found through NMQ. Then, with the OWAS method the results have been analysed. In this thesis, we have studied the case in two different workshops of Ballast Production Company. The jobs were classified according to static load caused by poor work posture and recommendations for reducing the hurmful load were made. The study of the questionnaire showe that there is meaningful relation between work experience and Low Back Pain (LBP) (P<3%). Meanwhile BMI (Body Mass Index) is closely related to LBP (P<2%). However a relation was found between low back and back and shoulder pain complaints during recent one year and last one week with that of the existence of the pains, respectively P<2% and P<5%. Jobs related with repair and maintenance rates the first as regards static load on the muscloskeletal system. Cooking, digging operations, driving bullodozer, operation of stone crushing device, loaders and lorries rank respectively in order.
Keywords: Human factors engineering, Nordic musculoscletal questionnaire (NMQ), Musculoscletal system
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