Journal of the Korean Society of Clothing and Textiles (한국의류학회지)

The Korean Society of Clothing and Textiles (한국의류학회)
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Development of Tight-fitting Upper Clothing for Measuring ECG -A Focus on Weft Reduction Rate and Subjective Assessment-

심전도 측정을 위한 밀착 의복 연구 -패턴 축소 및 주관적 평가를 중심으로-

  • Jeong, Yeonhee (Dept. of Clothing & Textiles, Kunsan National University/Institute of Basic Science, Kunsan National University) ;
  • Yang, YoungMo (Dept. of Emergency Medicine, Eulji University)
  • 정연희 (군산대학교 의류학과/군산대학교 기초과학연구소) ;
  • 양영모 (을지대학교 응급의학과)
  • Received : 2012.08.23
  • Accepted : 2012.10.30
  • Published : 2012.11.30
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Abstract

This study develops tight-fitting upper clothing to measure electrocardiography (ECG) data. Taking into consideration the elasticity of the clothing, we made 4 experimental clothes by applying to each a weft reduction rate of 40%, 50%, 60%, and 70%. The 4 experimental clothes were used to measure resting ECG, exercise ECG, and post-exercise ECG for 4 men in their 20s. We compared clothing pressures using sensors on the human body and on a dressform. Subjective wear sensations of the 4 experimental clothes were evaluated using a subjective 7-point scale (with 7 being most excellent). We measured clothing pressures by using the air type pressure (AMI 3037-2) for upper and lower chest sensors in the developed tight-fitting upper clothing. The lower chest sensor showed that the clothing pressure on a human body and dressform changed consistently as the weft reduction rate decreased. The upper chest sensor showed inconsistent changes in clothing pressure as the weft reduction rate decreased. The wearing-test result for preliminary subjects showed that the lower chest sensor was more stable than the upper chest sensor; therefore, we inserted the sensor at the lower chest position before performing ECG. Except for Subject 4, the resting ECGs were stably measured for 3 subjects (Subject 1, Subject 2, and Subject 3) in all the developed clothes (A clothing, B clothing, C clothing, and D clothing). However, D clothing showed stable ECG values after exercise. The results of the experiment showed that we could measure ECG without difficulty using clothes with a weft reduction rate of 40% when the movement was not intense; however, tight-fitting upper clothing with a weft reduction rate of 70% was necessary to measure exercise ECG and post-exercise ECG values.

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