Human Ecology Research

The Korean Home Economics Association (대한가정학회)
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Evaluation of Suitability of Retroreflective Material Locations by Motion Analysis of the Wearer of Safety Clothing

안전의복 착용자의 동작분석에 의한 재귀반사 소재 위치의 적합성 평가

  • Soon Ja Park (Convergence Institute for Multicultural Studies, Inha University) ;
  • Satoko Tanabe (Department of Design of Functional Clothing, Bunka Gakuen University) ;
  • Mariko Sato (Department of Design of Functional Clothing, Bunka Gakuen University)
  • Received : 2023.07.07
  • Accepted : 2023.08.14
  • Published : 2023.08.30
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Abstract

Since ISO 20471 regulations(2013) were enacted, high-visibility clothing made of fluorescent fabric and retroreflective materials has been standardized to distinguish the wearers from the surrounding background in a dark place and to protect them. Accordingly, we made high-visibility safety clothing based on the international standards, and examined the positions of the retro-reflective materials on the attached sites to evaluate the suitability of the positions, by 3 types of safety clothing and the body regions when the wearers work or move. Two retro-reflective films of 5cm-horizontal lines were attached to the front/back of the upper-wear, and the lower-wear. Vertical lines were attached from the shoulder to the horizontal waistline. To analyze the motion in 3-dimension, we took pictured infrared-reflective markers on the retro-reflective film covered with yellow-tape on the front-side when 6 subjects wearing experimental garments performed 6 types of motions. According to the metronome tempo, the motions were performed for 30 seconds and repeated 6 motions ①~⑥ by 3 experimental clothing. Among the 6 motions, significant differences in the appearance rate of the markers by body region during the motions were found in 5 types except for motion ③. Significant differences by the post-hoc test were shown in motions ④ and ⑥ as well. Therefore, for high-visibility safety clothing, it is necessary to anticipate the worker's motion and consider the attaching position of the retro-reflective material. It is considered desirable to attach the retro-reflective materials to several places where the clothing is hard to wrinkle.

Keywords

Acknowledgement

This research was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF) funded by the Ministry Education (2022R1I1A1A01053195)

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