MDS (Musculoskeletal disorders) are costly and common problem in automotive manufacturing. The research goal was to quantify MSD exposure as a function of vehicle rotation angle and region during assembly tasks. The study was conducted at the COHAM (Center for Occupational Health in Automotive Manufacturing) Laboratory. Twelve subjects participated in the study. The vehicle was divided into seven regions, (3 interior, 2 underbody and 2 engine regions) representative of work areas during assembly. Three vehicle rotation angles were examined for each region. The standard horizontal assembly condition (0 deg of angle rotation) was the reference frame. Exposure was assessed on the spine loads and posture, shoulder posture and muscle activity, neck posture and muscle activity as well as wrist posture. In all regions, rotating the vehicle reduced musculoskeletal exposure. In five of the seven regions 45 deg of angle of vehicle rotation represented the position that reduced MSD exposure most. Two of the seven regions indicated 90 deg of angle of vehicle rotation had the greatest impact for reducing MSD exposure. This study demonstrated that vehicle rotation shows promise for reducing exposure to risk factors for MDS during automobile assembly tasks.


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    Title :

    Musculoskeletal disorder risk as a function of vehicle rotation angle during assembly tasks



    Published in:

    Applied Ergonomics ; 42 , 5 ; 699-709


    Publication date :

    2011


    Size :

    11 Seiten, 5 Bilder, 7 Tabellen, Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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