نتایج جستجو برای: ergonomic posture
تعداد نتایج: 19378 فیلتر نتایج به سال:
Background and aims: In manual assembly industries, productivity could increase by scientific study, correct and accurate identification of activities and the time required for implementing each activity - with respect to the health, safety and human wellbeing. Although the positive effect of engineering interventions on the efficiency of production is evident, but its impact on the productivit...
Background: Inappropriate postures when carrying loads and heavy objects can result in physical problems and changes in the body's skeletal structure and pressure on the sole of the foot. Therefore, this study was to evaluate the foot plantar pressure and the perceived comfort of two new types of ergonomic and common backpacks. Methods: This study, which is semi- experimental, was performed on...
conclusions various risk factors in the workplace may contribute to msds in different upper extremities. preventive interventions should hence include ergonomic and office equipment modifications. results the predictors of shoulder msds in the past 12 months were uncomfortable sitting posture (β = 0.42, p = 0.04), limited rest breaks (β=0.73, p = 0.012), and no access to adjustable desks (β = 0...
background and purpose: work-related musculoskeletal disorders are the most prevalent work- related disorders and the main cause of disability among workers. also these disorders are the main cause of absence from work and losing work hours and lead to reduction of productivity. materials & methods this cross–sectional analytical study was done on 100 workers of sorak tobacco factory selected r...
background: most dentists complain of musculoskeletal disorders which can be caused by prolonged static posture, lack of suitable rest and other physical and psychological problems. objective: we evaluated a chair with a new ergonomic design which incorporated forward leaning chest and arm supports. methods: the chair was evaluated in the laboratory during task simulation and emg analysis on 12...
Background and aims: Postural Ergonomics Risk Assessment (PERA) is an ergonomic assessment method to detect the major causes of the cyclic work by focusing on the stressful postures analysis in the form of a task analysis. Because of its ability to detect the ergonomic risk sources in work cycles, this study aims to use this method as a systematic ergonomic analysis tool in order to redesign th...
Background and Objectives: Musculoskeletal disorders are among the most common injuries in dentists. Therefore, the present study was conducted to determine the relationship between studentschr('39') level of knowledge of the principles of ergonomics and body position during dental treatments. Materials and Methods: In this descriptive study, 41 dental students of Guilan University of Medical ...
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