Autor: Zimmermann. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Affective Computing-A Rationale for Measuring Mood With Mouse and Keyboard
Autorzy:: Zimmermann, P.
Guttormsen, S.
Danuser, B.
Gomez, P.
Powiązania:: https://bibliotekanauki.pl/articles/90061.pdf
Data publikacji:: 2003
Wydawca:: Centralny Instytut Ochrony Pracy
Tematy:: affective computing
mood
emotions
HCl
klawiatura
pozycja przy pracy
komputer
zagrożenia zdrowia
emocjonalność
psychologia pracy
Opis:: Emotions are an increasingly important factor in Human-Computer Interaction (HCI). Up to the present, emotion recognition in HCI implies the use of explicit or intrusive methods, for example, video cameras or physiological measurements. We are developing and evaluating a method for the measurement of affective states through motor-behavioral parameters from standard input devices (mouse and keyboard).
Źródło:: International Journal of Occupational Safety and Ergonomics; 2003, 9, 4; 539-551
1080-3548
Pojawia się w:: International Journal of Occupational Safety and Ergonomics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Electromyographic Analysis of a Repetitive Hand Gripping Task
Autorzy:: Cook, T.
Rosecrance, J.
Zimmermann, C.
Gerleman, D.
Ludewig, P.
Powiązania:: https://bibliotekanauki.pl/articles/91061.pdf
Data publikacji:: 1998
Wydawca:: Centralny Instytut Ochrony Pracy
Tematy:: electromyography
cumulative trauma disorders
work-rest cycle
muscle force
hand gripping
elektromiografia
siła mięśni
cykl pracy
kończyna górna
Opis:: Electromyography (EMG) has been proposed as a method for determining muscle effort in repetitive upper limb tasks, which are often related to cumulative trauma disorders. EMG activity of the finger flexor musculature was investigated during a repetitive hand gripping task having 5 different cycle durations (2 to 6 s), various percentage of work time (and rest) within the work cycle (20% to 80%), and 3 different grip force levels. Thirty healthy adult participants each performed 27 randomly ordered 30-s repetitive hand gripping trials as well as 3 isometric contractions, which were used to normalize data from the hand gripping trials. There was a significant decrease in mean EMG as the duration of the work-rest cycle time increased. At each force level, EMG increased as the percentage of work time within the work-rest cycle increased, but to a greater extent at the highest force level. The results of this study suggest that overall muscle effort, and perhaps muscle fatigue, can be reduced most effectively by modifying the force requirements of the repetitive task. Other variables, such as the percentage of work time within a cycle and overall work cycle time have less effect on the EMG activity level. The results of this study have implications for developing strategies to reduce muscle fatigue during repetitive hand gripping tasks in an effort to reduce the effects of cumulative trauma disorders.
Źródło:: International Journal of Occupational Safety and Ergonomics; 1998, 4, 2; 185-198
1080-3548
Pojawia się w:: International Journal of Occupational Safety and Ergonomics
Dostawca treści:: Biblioteka Nauki

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