نتایج جستجو برای: ergonomic evaluation of lifting activity
تعداد نتایج: 21269806 فیلتر نتایج به سال:
background: the agricultural sector is one of the most important sectors in production. the safety and health of farmers are important factors that can cause a significant increase in efficiency and productivity. the aim of this study was the assessment of musculoskeletal disorders (msds) using the ovako working posture analysis system (owas) and evaluation of the effect of ergonomic training o...
nowadays enhancing critical thinking in learners is considered one of the foreign language teachers’ tasks due to its high position in foreign language classrooms. when it comes to selecting materials for language classrooms, there are obviously some criteria that teachers should apply. the present study aimed at a critical thinking based analysis of ten picture story books and ten folktales th...
This article aims at identifying the mechanisms of knowledge management in the selection and integration of ergonomic methods for the evaluation of working conditions of nursing staff and surgeons in surgical wards. The criterion for choice of given category of work was specified for individual workstation based on the results of empirical research taking into account a case study of trauma and...
چکیده بررسی فعالیت ضد اکسیدانی و ضدمیکروبی عصاره گیاه بن سرخ (allium jesdianum) به کوشش: زهرا مقیمی هدف از این تحقیق بررسی میزان ترکیبات فنولی کل، ترکیبات فلاوونوئیدی کل، فعالیت ضداکسیدانی و ضدمیکروبی عصاره ی گیاه تازه و خشک بن سرخ بود. استخراج عصاره به روش های غوطه وری، استفاده از همزن مغناطیسی، دستگاه مایکروویو، امواج فراصوت و گرمادهی مقاومتی و با استفاده از متانول، اتانول و آب به عنوا...
evaluation an etiological model with psychosocial and occupational risk factors has applied implication for therapeutic intervention. this research was aimed to investigate psychosocial and occupational risk factors of musculoskeletal pains among computer users in semnan province of iran . in this cross-sectional study, 324 computer users from governmental offices and private industrial/organiz...
Introduction: Carpet-weaving is one of the hard and harmful jobs, which affect the health of the workforce. Based on the previously conducted research, musculoskeletal disorders in the neck, shoulder, and lower back regions are common among carpet weavers. This study conducted to investigate the muscle activity of the shoulder and lower back regions in carpet weavers during work on traditional ...
چکیده ندارد.
Background: The design and manufacturing process in electronic companies is the most time consuming work behind computers. Because of the high prevalence of musculoskeletal disorders in computer users, researchers need to identify risk factors and ergonomic problems and ways to reduce them. Methods: This study was a descriptive-analytical study and was conducted as an intervention in Behpaj...
• A manual repetitive handling task in construction was simulated a laboratory. Effects of passive exoskeleton system are examined. The significantly reduced Lumbar Erector Spinae muscle activity. developed rated as having acceptable usability. It could serve an ergonomic intervention tool to mitigate WMSDs risks. An can be effective for mitigating the risks developing work-related musculoskele...
Using high-level, 3-D computer graphics simulation and other engineering analysis tools, this research investigates the ergonomic advantages of one manufacturing system design over another. The designs compared are lean manufacturing (manufacturing cells) and the functional (job shop) design. Simulation models based on an actual manufacturing cell and its workers are used to generate correspond...
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