دوره 7، شماره 3 - ( فصلنامه تخصصی انجمن ارگونومی و مهندسی عوامل انسانی ایران 1398 )                   جلد 7 شماره 3 صفحات 33-43 | برگشت به فهرست نسخه ها


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Ordudari Z, Fadaei F, Habibi E, Hassanzadeh A. Relationship Between Workload and Prevalence of Wrist Disorders in Assembly Line Workers of Manufacturing Industry. Iran J Ergon. 2019; 7 (3) :33-43
URL: http://journal.iehfs.ir/article-1-584-fa.html
اردودری زهرا، فدائی فرزانه، حبیبی احسان اله، حسن زاده اکبر. بررسی رابطه بین بار کاری و شیوع اختلالات مچ دست در کارگران خط مونتاژ یک صنعت تولیدی. مجله ارگونومی. 1398; 7 (3) :33-43

URL: http://journal.iehfs.ir/article-1-584-fa.html


کارشناسی ارشد بهداشت حرفه‌ای، گروه مهندسی بهداشت حرفه‌ای، دانشکده بهداشت، دانشگاه علوم‌پزشکی اصفهان، اصفهان، ایران
چکیده:   (2223 مشاهده)
زمینه و هدف: اختلالات اسکلتی-عضلانی در خطوط مونتاژ بدلیل شرایط فیزیکی نامناسب،حرکات تکراری و فاکتورهای روانشناختی بوجود می آیند.این مطالعه با هدف ارزیابی بار کاری و ارتباط آن با شیوع اختلالات مچ دست در مونتاژ کاران یک صنعت تولیدی انجام شد.
روش کار: در این مطالعه مقطعی که بر روی ۱۲۰ کارگر زن انجام شد، بارکاری ذهنی، بارکاری فیزیکی و شیوع اختلالات مچ دست بترتیب با استفاده از شاخص NASA-TLX، روش OCRA و پرسشنامه مچ و دست نوردیک ارزیابی شد.
یافته ها: نتایج حاصل از ارزیابی بارکاری با استفاده از شاخص NASA-TLX نشان داد که شرکت کنندگان دو بعد فشارفیزیکی و تلاش و کوشش را به ترتیب  با نمره های ۷۸.۷۹ و ۷۸.۳۷ به عنوان بالاترین مقیاس بار کاری ارزیابی کرده اند.همچنین براساس سطح ریسک OCRA ، بیشترین ریسک دست راست در سطح ریسک ۳ و بیشترین ریسک دست چپ در سطح ریسک ۱ قرار دارد.آزمون های آماری نشان داد، سطوح ریسک OCRA و  میانگین مقیاس خواسته های فیزیکی و تلاش و کوشش در افرادی که درد مچ داشتند به طور معناداری بیشتر از کسانی است که درد مچ نداشتند بود(۰.۰۵< p) . همچنین بین شدت درد مچ با شاخص OCRA در دو دست (۰.۰۰۱= p)و نمره کل NASA ( ۰.۰۵< p و ۰.۲۳۲= r )رابطه مستقیم وجود دارد .
نتیجه گیری: بار کاری روانی درخطوط مونتاژ صنایع تولیدی بالا بوده و نتایج حاصل از ارزیابی فیزیکی نیز این موضوع را تأیید میکند. این مطالعه نشان داد بار کاری ذهنی میتواند در بروز اختلالات اسکلتی-عضلانی (MSDs) تأثیرگذار باشد. به همین دلیل است که بار کاری ذهنی باید به عنوان یک عامل خطر برای MSDs درنظر گرفته شود.

 
متن کامل [PDF 642 kb]   (106 دریافت)    
نوع مطالعه: پژوهشي | موضوع مقاله: تخصصي
دریافت: ۱۳۹۷/۹/۷ | پذیرش: ۱۳۹۸/۱۰/۱ | انتشار الکترونیک: ۱۳۹۸/۱۰/۲۲

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