Improper design of the geometric elements and facilities bikeway systems could endanger cyclists’ safety comfort, resulting in an increased risk bicycle accidents; such accidents sometimes have severe consequences, namely casualties. The method expression for comfort question how correlation these factors with characteristics—such as geometry facilities—can be quantitatively described are key p...

Background: Firefighting and rescue require high physical and psychological needs under unpredictable and dangerous conditions. Thus, this study aimed to investigate mental workload and affecting factors in firefighters. Materials and Methods: This is a descriptive study which was conducted on 250 firefighters of Tehran, Iran. National Aeronautics and Space Administration Task Load Index (NASA...

mental workload is one of the factors that influence individuals’ performance in the work environment as well as their efficiency and productivity. the present study aimed at examining the association between mental workload and general health among welders of tehran heavy structuress metal company.this cross-sectional study was conducted in 2016. the sample included 100 welders who were workin...

Extensive job stress and workload are main causes of frustration and reduced efficiency among workers and despite negative effects of these factors on employees' performance, related studies in rehabilitation staff are limited. The aim of this study was to evaluate job stress, workload and their related factors in rehabilitation staff. In this cross-sectional study, 150 employees in three rehab...

abstract background: mental workload is a general concept in the literature of ergonomics and human factors that are affected by external working demands, environmental, psychological and organizational factors, organizational and mental abilities. the aim of this study was to assess the mental workload and its impact on musculoskeletal disorders among nurses employed at different parts of the ...

objectives: one of the applications of ergonomics disciplinary is designing driver workstation compatible to users’ characteristics. the aim of this study was evaluation of interior design of shoka vehicle with respect to the accommodation for iranian population and proposing suggestions for customizing design of the vehicle. methods: this study was a descriptive-analytical study conducted amon...