Central Institute of Labour Protection National Research Institute CIOP PIB

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Central Institute of Labour Protection National Research Institute CIOP PIB

Poland
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Bedynska S.,University of the Humanities | Zolnierczyk-Zreda D.,Central Institute of Labour Protection National Research Institute CIOP PIB
International Journal of Occupational Safety and Ergonomics | Year: 2015

Stereotype threat as an example of serious interpersonal strain at workplace can lead either to impaired work engagement or it can motivate workers to strengthen their efforts to disconfirm a stereotype and can result in excessive work engagement. Thus, the basic aim of the study was to examine whether stereotype threat is related to burnout or to work engagement. The mediating role of the negative and positive emotions were also tested in the classical approach. Mediational analysis revealed a linear relation of stereotype threat and burnout, mediated by negative emotions and a quadratic relationship between stereotype threat and work engagement. In the latter analysis none of the mediators were significant. Therefore, the results showed that both burnout and work engagement are associated with stereotype threat at the workplace, probably depending on the stage of response to the stereotype threat. Further research should confirm these associations in a longitudinal study. © 2015 The Author(s).


Malinska M.,Central Institute of Labour Protection National Research Institute CIOP PIB | Bugajska J.,Central Institute of Labour Protection National Research Institute CIOP PIB | Kamiriska J.,Central Institute of Labour Protection National Research Institute CIOP PIB | Jedryka-Goral A.,Central Institute of Labour Protection National Research Institute CIOP PIB
International Journal of Occupational Safety and Ergonomics | Year: 2012

The aim of this study was to evaluate working conditions with a notebook computer (notebook) as a potential cause of musculoskeletal disorders. Material and methods. The study had 2 stages. The first one was a questionnaire survey among 300 notebook users. The next stage was an expert analysis of 53 randomly selected workstations. The questionnaire survey included questions about the participants, their working conditions, work organization and also duration of work with a notebook. Results and conclusions. The results of the research showed that most examined operators used a notebook as a basic working tool. The most important irregularities included an unadjustable working surface, unadjustable height of the seat pan and backrest, unadjustable height and distance between the armrests and no additional ergonomie devices (external keyboard, docking station, notebook stand or footstool).


Dabrowski A.,Central Institute of Labour Protection National Research Institute CIOP PIB
International Journal of Occupational Safety and Ergonomics | Year: 2012

Portable chain saws are still very dangerous machines. Reduced prices of these machines mean they are widely available to people who like DIY (do it yourself) and professionals. Kickback of chain saws is extremely dangerous for the operator. This paper discusses the results of laboratory investigations of combustion chain saws. The tests were conducted on a standardized kickback test stand and covered the course of kickback, its energy, angle and duration. The results showed that during the contact of a saw chain with wood, the first to appear was the process of wood cutting, which absorbed 90-95% of the reduced energy of the cutting system. The greater the absorbed energy, the smaller the kickback angle. Wood cutting work is particularly influenced by proper chain tension, the use of chains with anti-kickback links, guide bars with sliding endings and a quickly activated chain brake.


PubMed | Central Institute of Labour Protection National Research Institute CIOP PIB
Type: Journal Article | Journal: International journal of occupational safety and ergonomics : JOSE | Year: 2012

Portable chain saws are still very dangerous machines. Reduced prices of these machines mean they are widely available to people who like DIY (do it yourself) and professionals. Kickback of chain saws is extremely dangerous for the operator. This paper discusses the results of laboratory investigations of combustion chain saws. The tests were conducted on a standardized kickback test stand and covered the course of kickback, its energy, angle and duration. The results showed that during the contact of a saw chain with wood, the first to appear was the process of wood cutting, which absorbed 90-95% of the reduced energy of the cutting system. The greater the absorbed energy, the smaller the kickback angle. Wood cutting work is particularly influenced by proper chain tension, the use of chains with anti-kickback links, guide bars with sliding endings and a quickly activated chain brake.


PubMed | Central Institute of Labour Protection National Research Institute CIOP PIB
Type: Journal Article | Journal: International journal of occupational safety and ergonomics : JOSE | Year: 2012

The aim of this study was to evaluate working conditions with a notebook computer (notebook) as a potential cause of musculoskeletal disorders.The study had 2 stages. The first one was a questionnaire survey among 300 notebook users. The next stage was an expert analysis of 53 randomly selected workstations. The questionnaire survey included questions about the participants, their working conditions, work organization and also duration of work with a notebook.The results of the research showed that most examined operators used a notebook as a basic working tool. The most important irregularities included an unadjustable working surface, unadjustable height of the seat pan and backrest, unadjustable height and distance between the armrests and no additional ergonomic devices (external keyboard, docking station, notebook stand or footstool).

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