Citation

Xu F. China Saf. Sci. J. 2020; 30(10): 179-185.

Copyright

(Copyright © 2020, China Occupational Safety and Health Association, Publisher Gai Xue bao)

DOI

10.16265/j.cnki.issn1003-3033.2020.10.025

PMID

unavailable

Abstract

In order to prevent decline in analysis and judgment capability and missing of important information caused by fatigue due to long-time, high-intensity and high-maintenance work in video investigation, subjective and objective work fatigue of video scouts in S city was studied. Subjective assessment introduced influence of visual fatigue and environmental factors based on fatigue self-assessment scale. Then, for objective assessment, functional assessment of biomechanics (FAB) and Eegosports electroencephalograph device were used to measure movement state and EEG signals of workers at different working hours, and fatigue state of head and neck and change rules of δ waves in EEG were analyzed. The results show that Cronbach coefficient of the scale is 0. 821 7, which has a good internal consistency. Average score of work fatigue is 1. 94 points, indicating obvious fatigue. Moreover, fatigue degree of middle and night shifts are relatively more significant, especially at end of night shift when physical and mental fatigue of operators reaches the peak. © 2020 China Safety Science Journal. All rights reserved.

Language: zh