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Wyszukujesz frazę "Kawakami, M." wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Convenient Evaluation of Mental Stress With Pupil Diameter
Autorzy:
Yamanaka, K.
Kawakami, M.
Powiązania:
https://bibliotekanauki.pl/articles/90394.pdf
Data publikacji:
2009
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
pupil diameter
heart rate variability
mental stress
human-machine system
Opis:
This study proposes a convenient method of evaluating mental stress. The potential of monitoring changes in pupil diameter as a measure of human reliability while operating human–machine systems was examined experimentally. An experiment was carried out to clarify the relation between changes in pupil diameter and autonomic nervous activity by measuring an electrocardiogram and pupil diameter when 10 subjects completed a time-sensitive task. The electrocardiogram was measured using a multitelemeter system and pupil diameter was measured using an eye-mark recorder. Several relationships between changes in pupil diameter and autonomic nervous activity were revealed and indicated that measurement of pupil diameter was an effective indicator of autonomic nervous activity. Therefore, it may be possible to develop a monitoring system that measures changes in pupil diameter as an indicator of the mental state of workers operating human–machine systems.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2009, 15, 4; 447-450
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effects of Polyphenol on Visual Fatigue Caused by VDT Work
Autorzy:
Yoshihara, A.
Yamanaka, K.
Kawakami, M.
Powiązania:
https://bibliotekanauki.pl/articles/89982.pdf
Data publikacji:
2009
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
polyphenol
VDT work
visual fatigue
accommodative function
Opis:
Visual fatigue of VDT (visual display terminal) operators poses a serious problem for corporations where VDT work is a major part of operations. In this study, an investigation in a corporation was carried out to examine the effect of polyphenol on recovery from visual fatigue of the visual function caused by working at a VDT. Three kinds of parameters were used for evaluating the effect of polyphenol. As a subjective evaluation, the first was a questionnaire to ascertain subjective feelings of fatigue. As aspects of a physiological evaluation, the second and third parameters were the accommodative function and the flicker value.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2009, 15, 3; 339-343
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Job Redesign Needs for Aged Workers
Autorzy:
Kawakami, M.
Inoue, F.
Ohkubo, T.
Ueno, T.
Powiązania:
https://bibliotekanauki.pl/articles/90100.pdf
Data publikacji:
1998
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
ergonomics
job redesign
work intensity
assembly operation
labor productivity
ergonomia
wydajność pracy
montaż
starsi pracownicy
Opis:
The aim of this paper is to explore and present a proposal for redesigning elements of the workplace for agech workers. The method of research was to observe, record, and measure the actions of sitting workers performing assembly operations on electrical products in the Kani Plant Nagoya Works of Mitsubishi Electric Co. (Japan). The evaluation index used in the experiment was obtained by measuring time motion elements, cycle time per product, and motion velocity waves of elderly workers. Those motion characteristics were then compared to the motion characteristics of young workers. The results led to job redesign elements being identified to reduce handling factors of high difficulty for aged workers and to the necessity to consider a coefficient of correction in Method Time Measurement (MTM) according to differences in the manufactured object’s weight.
Źródło:
International Journal of Occupational Safety and Ergonomics; 1998, 4, 4; 471-483
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Prescriptive Exercise Program for Health Maintenance
Autorzy:
Yamashita, A.
Kawakami, M.
Inagaki, Y.
Ohkubo, T.
Powiązania:
https://bibliotekanauki.pl/articles/89896.pdf
Data publikacji:
2001
Wydawca:
Centralny Instytut Ochrony Pracy
Tematy:
health maintenance
prescriptive exercise program
aging society
heart rate
relative metabolic rate
myoelectric potential
starsi pracownicy
fizjologia
praca mięśni
wydolność
zdolność fizyczna
metabolizm
Opis:
The aim of this study was to design a prescriptive exercise program for people of various age and fitness basing on the popular in Japan Radio Physical Fitness Exercise, a program based on an experimental approach. The evaluation indices used in the experiment were heart rate (HR), oxygen consumption, and electrical activity of the rectus femoris, latissimus dorsi, and trapezius muscles, which measured during various motion elements of the program performed at various rate. The results of this study enable to calculate equations for predicting HR during exercise from relative metabolic rate (RMR). The data on HR, RMR, and myoelectric potential presented in this study may be a basis for designing individual exercise programs for elderly people.
Źródło:
International Journal of Occupational Safety and Ergonomics; 2001, 7, 2; 195-209
1080-3548
Pojawia się w:
International Journal of Occupational Safety and Ergonomics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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