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스포츠 웨어의 슬릿 벤틸레이션 시스템이 인체 생리반응에 미치는 효과
연수민,김희은 한국의류산업학회 2005 한국의류산업학회지 Vol.7 No.1
The purpose of this study was to investigate the effects of silt ventilation system on physiological responses. We measured rectal temperature, local skin temperature, clothing microclimate, blood pressure, heart rate, energy metabolism, body weight loss and subjective sensation during 70 minute, 50 nun exercise period and 20 min rest period. The five women subjects randomly wore sportswear without slit ventilation system(NS sportswear) and sportswear with slit ventilation system(S sportswear) under environmental condition of 25°C, 50%RH. The results of this study are as follows; Rectal temperature, mean skin temperature, clothing microclimatc, blood pressure, heart rate, energy metabolism and body weight loss were significantly lower level in 'S sportswear'. In 'S sportswear', subjects replied less hot, less uncomfortable and less wet. Slit ventilation system can he used for bellow effect which is meaningful device of convection during exercise. We could find out that 'S sportswear' has advantage in physiological function.
기능성 의복의 인간공학적 평가 체계 개발 및 적용: 방염복의 평가 및 개선 대상 파악
조자영,정정림,연수민,장준호,유희천,김희은,Cho, Ja-Young,Jeong, Jung-Rim,Yeon, Soo-Min,Chang, Joon-Ho,You, Hee-Cheon,Kim, Hee-Eun 대한인간공학회 2007 大韓人間工學會誌 Vol.26 No.2
Ergonomic methods have been effectively applied to design and evaluation of functional clothing. The goals of the present study are to: (1) develop an ergonomic evaluation system for the systematic analysis of functional clothing and (2) examine the usefulness of the proposed evaluation system by applying to flame-proof clothing. Based on the survey of literature and the brainstorming of experts in clothing design and ergonomics, factors considered for clothing evaluation were selected, classified, and complemented, resulting in an ergonomic clothing evaluation system consisting of four factor categories (clothing construction, user, work and environment, and user response). Using the proposed system, a field survey and a laboratory experiment were conducted for flame-proof clothing to identify its design problems. The field survey to workers found a comprehensive set of problems on the flame-proof clothing design in terms of pattern, textile, and color. The laboratory experiment identified additional design problems using a questionnaire that was developed based on an analysis on the relationship between clothing design components and ergonomic evaluation measures. The present study showed the ergonomic evaluation system and the relationship analysis of clothing design components and ergonomic evaluation measures are of use to identify design problems of functional clothing in a comprehensive and analytic manner.
장갑 설계 적용을 위한 손동작에 따른 손체표의 길이변화 분석
권오채,선미선,정기효,이민정,연수민,유희천,김희은,Kwon, O-Chae,Sun, Mee-Sun,Jung, Ki-Hyo,Lee, Min-Jeong,Yeon, Soo-Min,You, Hee-Cheon,Kim, Hee-Eun 대한인간공학회 2005 大韓人間工學會誌 Vol.24 No.4
A glove design which reflects the changes in hand surface by hand motion can reduce the undesirable effects of use of gloves on hand performance. The present study examined changes in hand length dimensions due to hand motion and identified significant factors affecting the length changes. Recruiting 120 males and females in their 20s and 30s having various hand lengths, this study measured 10 hand length dimensions, defined at 2 hand areas(phalangeal and metacarpal areas) for 5 digits, when the hand is stretched and in fist, and then calculated the percentage of length increase for each dimension. ANOVA and simple-effect analyses showed the length change percentages were mainly different depending on digit and hand area: 111-127% at the phalangeal area and 112-116% at the metacarpal area. The length change percentages of the index, middle, ring, and little fingers in the phalangeal area ascended in order and showed a high correlation(r = 0.94)with the ranges of motion of the fingers.
손동작에 따른 손체표 길이 변화를 적용한 장갑 설계 평가
권오채,선미선,정기효,이민정,연수민,유희천,김희은,Kwon, O-Chae,Sun, Mee-Sun,Jung, Ki-Hyo,Lee, Min-Jeong,Yeon, Soo-Min,You, Hee-Cheon,Kim, Hee-Eun 대한인간공학회 2005 大韓人間工學會誌 Vol.24 No.4
Use of a glove made of materials with a low elasticity decreases the performance of the hand such as agility, dexterity, range of motion, and grip strength. The present study examined if the adverse effects of a low-elastic glove can be reduced by a design which accommodates the changes of hand surface lengths by hand motion. Two glove designs which provide patches of elastic cloth and pleats at the finger joints and knuckle were developed by considering the hand surface length changes, and then compared with two conditions(bare hand and conventional glove design that does not consider the dynamic characteristics of the hand dimensions) in terms of completion time in peg board insertion task, maximum grip strength, discomfort in hand motion, discomfort in force exertion, and overall discomfort by 24 right-handed participants. The test results confirmed that wearing of a glove significantly reduced the agility and grip strength capability of the hand and indicated that the novel designs were effective to lessen the performance decreases compared to the conventional design. Also, of the glove designs, the pleat glove design was found most preferred for both better hand performance and less subjective discomfort.
조자영(Jayoung Cho),정정림(Jungrim Jeong),연수민(Soomin Yeon),장준호(Joonho Chang),유희천(Heecheon You),김희은(Heeeun Kim) 대한인간공학회 2008 大韓人間工學會誌 Vol.27 No.4
Ergonomic techniques have been required to analyze the effectiveness of functional clothing design improvement in a systematic and analytic manner. The goals of the present study are to: (1) comprehensively and analytically examine the effectiveness of clothing improvement by using the relationship analysis between clothing design components (D) and ergonomic evaluation measures (E) and (2) prove the usefulness of cost-effectiveness analysis for clothing design optimization. The cost effectiveness analysis is comprised of the preliminary evaluation based on expertise and the in-depth evaluation where the D-E relationship analysis is applied. As a result of the cost effectiveness analysis applied to flame-proof clothing, an optimal design was identified by analyzing costs and qualitative/quantitative effects. In the preliminary evaluation, the expected effectiveness of each design alternative on wear efficiency and wear comfort was estimated. In the in-depth evaluation, however, the effectiveness of each design alternative was analyzed by quantitative evaluation in a wearing test using a questionnaire prepared based on the D-E relationship analysis. It was concluded that the D-E relationship analysis and the cost-effectiveness analysis are useful for comprehensive evaluation and optimization of functional clothing design.
정정림(Jeong Rim Jeong),조자영(Ja Young Cho),연수민(Soo Min Yeon),장준호(Joon Ho Chang),김희은(Hee Eun Kim),유희천(Hee Cheon You) 대한인간공학회 2010 대한인간공학회 학술대회논문집 Vol.2010 No.10
The present study was to (1) develop an ergonomic evaluation system for the systematic analysis of flame-proof clothing (2) comprehensively examine the effectiveness of clothing improvement by using the relationship analysis between clothing design components (D) and ergonomic evaluation measures (E) and (3) prove the usefulness of cost-effectiveness analysis for clothing design optimization. An ergonomic evaluation system for flame-proof clothing was established which consists of four analysis categories (clothing construction, user demographics, work and environment, and usability metrics). By applying the proposed system, the field survey to workers found a comprehensive set of problems on the flame-proof clothing design. The laboratory experiment identified additional design problems using a questionnaire that was developed based on a relationship analysis between D and E. The cost effectiveness analysis is comprised of the preliminary evaluation based on expertise and the in-depth evaluation where the D-E relationship analysis is applied. As a result of the cost effectiveness analysis applied to flame-proof clothing, an optimal design was identified by analyzing costs and qualitative/quantitative effects. It was concluded that the D-E relationship analysis and the cost-effectiveness analysis are useful for comprehensive evaluation and optimization of flame-proof clothing design.