• Journal of the Korean Society of Clothing and Textiles
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• 제24권4호
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• pp.521-529
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• 2000

This paper proposed the sizing system for women's upper clothes in order to improve clothing fitness and raise the productivity. The sizing system was classified according to 5 body types and 5 age groups. The size intervals of the basic dimensions were established at regular intervals centering around their means. The size interval of stature was 8cm centering around 158cm and that of bust girth 4cm centering around 84cm and that of hip girth 4cm centering around 92cm. Frequency distribution on the size of upper clothes showed that the most frequent size were 96-96-150 in the longest-fattest type, 88-96-158 in the long-fatter type, 84-92-158 in the medium length-fat type, 84-92-166 in the Short-balanced type, and 76-88-158 and 80-88-158 in the medium length-balanced type. The number of the sizes of upper clothes, which had frequencies more than 5%, was 32 and each size was presented with waist girth, back waist length and sleeve length. The size system classified by age group had 22 cases in the early twenties, 15 cases in the late twenties, 21 cases in the early thirties, 19 cases in the late thirties, and 15 cases in the forties.

• Journal of the Korean Society of Clothing and Textiles
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• 제25권4호
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• pp.743-753
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• 2001

This paper proposed the sizing system for womens lower clothes. The sizing system was classified according to 4 body types and 5 age groups. The size intervals of waist girth, hip girth, stature, and slacks length were 3cm, 4cm, 8cm, and 5cm respectively. Frequency distribution analyzed with waist girth, hip girth, and stature showed that the most frequent sizes were 86-100-158 in the fattest-medium length H type, 77-92-158 in the fat-short M type, 68-92-158 in the balanced-long A type, and 65-88-158 in the balanced-medium length A type. The number of the sizes for lower clothes, which had frequencies more than 4∼5%, was 33 and each size was presented with slacks length, skirt length, thigh girth, and knee girth. Also frequency distribution analyzed with waist girth, hip girth, and slacks length showed that the most frequent sizes were 86-100-90 in the fattest-medium length H type, 74-96-90 in the fat-short M type, 68-92-90 in the balanced-long A type, and 65-88-90 in the balanced-medium length A type. The sizing system classified by age group had 21 cases in the early twenties, 21 cases in the late twenties, 18 cases in the early thirties, 16 cases in the late thirties, and 8 cases in the forties. This result will contribute to clothing fitness and efficient production.

• Fashion & Textile Research Journal
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• 제18권4호
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• pp.489-497
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• 2016

The purpose of this study is to most appropriately develop maternity wear according to the preferences of specific age groups of pregnant women. The specific age groups were women in their twenties, early thirties, and late thirties. This survey was conducted in the metropolitan area around Seoul, South Korea through a questionnaire given to 150 pregnant women. The study found that pregnant women purchased significantly cheaper clothes after their pregnancy than before. The participants responded that they mostly bought clothes using the Internet, but they also reported many instances of returning the clothes due to fit and sizing. It was shown that women in their twenties tended to consider the price, design, and activity more than women in their thirties when purchasing maternity wear. The study showed that pregnant women tended to wear maternity wear from early in the pregnancy-preferring leggings, one-piece dresses, pants, shirts, briefs, and bras with the girdle on the outside. More women in their late thirties purchased maternity support belts than younger age groups. In any case, in purchasing maternity wear, clothing features that the respondents focused on were comfort, functionality, fit, the covering of their body changes, and fashion. Still, many respondents 35 years and older reported more interest in safety rather than fashion in comparison to the responses of respondents under the age of 35.

• Journal of the Korean Society of Clothing and Textiles
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• 제23권3호
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• pp.391-401
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• 1999

For proper communication among manufactures in various countries and for consumers' convenience in purchasing garments imported from foreign countries the ISO revised the size designation system in 1969. Since 1970's various countries have revised their standard sizing system by adapting the ISO system . The purpose of this study is (1) to satisfy domestic consumer's needs by developing a sizing system based on that of ISO for Korean women in their early twenties and (2) to contribute to entering the international fashion market by manufacturing high quality apparel products The results were as follows: (1) By measuring and analyzing of 464 female between the ages for 18 and 24 the data indicated that body height could be divided into following three groups. S(Short) : 152cm (19.2%) R(Regular) : 160cm (57.8%) L(Long) : 165cm(22.6%) (2) According to the results to analyzing body type of this study the medium hip(drop 6) is 47.4% the large hip(over drop 12) is 42.7% the 2 types covers 90.3% (3) Comparing Korean women's size with foreign women's size DOB size code is 17 JIS size code is 9AR, FNOR size codes are 36n. 38n. and Italian size cods are 40, 42

• Journal of Fashion Business
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• 제18권3호
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• pp.104-116
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• 2014

This study investigated the jacket preferences and actual fit according to body image perception of female university students in their early twenties, using a survey questionnaire method to analyze areas of dissatisfaction and improvements based on wearing experience. On the relationship between jacket and body image perception, female students with poor body image expressed the highest rate of "not satisfied" with purchase, which was significant. On buying preferences, the "Internet" was the primary place of purchase and "design" of jacket had highest consideration on the decision to buy. "Princess with a cinched - in waist" was the most preferred silhouette, and the most preferred length was "below the hip line." The most preferred cut was "basic," a jacket with a "tailored-collar of notched lapel shape," and "2-buttons." On discomfort and improvement of jacket fitness, students were most dissatisfied with "arm hole." The studies of production of a jacket which fitness and activities is both considered for female university students in their early twenties who use clothes to make them look more like their ideal body image.

• Journal of Fashion Business
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• 제25권6호
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• pp.1-12
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• 2021

The purpose of this study examines the fashion-related concerns of women in their early twenties and their personal thoughts on sociocultural factors through fashion. Data were collected twenty-seven female participants in their twenties in order to examine their traumas related to fashion and how these experiences affect their attitude toward clothing and fashion. Based on this, this study sheds light on what effects traumatic experiences have had on participants' self-esteem. It also provides an in-depth analysis of the problems underlying and reasons for the study participants' fashion choices, and attempts to demonstrate their self-reflection through fashion. Finding of the study was that the participants had a passive attitude toward fashion and built a wall against it. The study results suggest that the very first step to going beyond oneself and developing an active attitude is to try to be proactive and face a challenge related to fashion or clothes that one chooses oneself. Therefore, it is now time for Korean society to shape a culture that respects the unique qualities of every individual and allows free expression of diversity.

• Journal of Korean Ophthalmic Optics Society
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• 제17권2호
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• pp.153-158
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• 2012

Purpose: The purpose of this study was to evaluate the convergence accommodation to convergence (CA/C) ratio and to investigate relationships among age, accommodative amplitude and PD (interpupillary distance) of adults in their early twenties with normal binocular vision. Methods: 44 subjects (mean age, $21.75{\pm}1.16$ years) with healthy eyes were examined. The CA/C ratios were measured by using the difference of Gaussian (DOG) target with retinoscopy. Results: The mean CA/C ratio was $0.052{\pm}0.017$ D/$\Delta$. A moderate negative correction was present between CA/C ratio and age (r = -0.50, p = 0.0005), and a highly positive correction was found between CA/C ratio and accommodative amplitude (r = 0.79, p<0.0001). There was no relation between PD and CA/C ratio. Conclusions: The CA/C ratio presented was mean value for adults in their early twenties with healthy eye between 19 and 25 years of age. There was a high correlation between accommodative amplitude and CA/C ratio. Therefore, the CA/C ratio will be useful basic information for comparison in age, gender and binocular anomalies with similar data from other countries.

• The Journal of the Korea Contents Association
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• 제11권6호
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• pp.270-278
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• 2011

The purpose of this study was to compare acute and chronic LBP patient in twenties and forties, respectively by size measure paraspinal muscle (cross-sectional area; CSA). CSA of paraspinal muscle (psoas, multifidus, erector muscle) size was measured by free-handling technique of the picture archiving and communication system(PACS) using MRI at the level(lower end-plate of L4) in twenties(9 males, 10 females) and forties(9 males, 8 females) in acute and chronic LBP patient. The results of this study showed no significantly difference between acute and chronic LBP (p>0.05) in twenties patients. However, there was significant difference between acute and chronic LBP (p<0.05) in forties patients. Also, there was significant difference in paraspinal muscle CSA between chronic LBP patients in twenties and chronic LBP patients in forties (p<0.05). This study showed that paraspinal muscle atrophy was observed in forties with various cause, but Not chronic LBP patients in twenties. Accordingly it is required for chronic LBP patients in forties to minimize trunk muscle atrophy through immediate back muscle dynamic exercise and early functional activity.

• Korean Journal of Human Ecology
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• 제18권3호
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• pp.729-740
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• 2009

This study is to research on the rate of expansion or contraction according to movement of the lower body of the man their twenties using Rapid Form software. And aim of this study is to get information of ease allowance in developing slacks pattern using 3D body surface scan data through comparison with existing slacks patterns. Considering on the contraction and expansion according to movement, it need to set the more ease allowance in hip circumference than waist circumference, and the more ease allowance in back hip width than front hip width in slacks. In crotch length, the length of front crotch is revealed contraction but the length of back crotch is revealed expansion. It is desirable lowering front waist line and raising back waist line to possess ease allowance in back crotch area. The length of side seam is revealed a little expansion but the length of inseam is showed a great expansion. To develop slacks pattern of scientific approach using 3D body surface scan data, it need to analysis the rate of expansion and contraction of the lower body based on the movement, shear deformation, slip in fabrics and skin, or in fabrics and fabrics, and slip down from waist line.

• Fashion & Textile Research Journal
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• 제6권5호
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• pp.641-647
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• 2004

The research is focused on relationship between body fat percentage and physical characteristics of women in age group between 20s and 30s who experience great deal of physical change such as marriage, pregnancy, delivery, breast-feeding, and etc. The research used physical measurement of two hundreds women: 50 women in their early twenties, 50 women in their late twenties, 50 women in their early thirties, and 50 women in their late thirties. The research provides base data for women clothing industry by observing relationship between physical figure and body fat percentage rate based on obesity study on body fat percentage, physical BMI, R$\ddot{o}$hrer Index, and Vervaeck Index. Followings are conclusion of the research. The older the ages, the shorter the height and the heavier the weight. Recognizable differences in circumference, thickness, and width rather than in length are found. Also recognizable increases in average body fat percentage and average physical characteristics by age have found. By observing body fat percentage and physical measurements, it was revealed that weight has more effect on body fat percentage than height in all ages. Circumference, width, and thickness have more impact than length measurements among physical measurements. Main body or upper body has more impact than legs and arms or lower body. Body fat percentage increase rapidly by ages. 2.0% of age 20~24, 20.0% of age 25~29, 28.0% of age 30~34, and 54.0% of age 35~39 were sorted as obesity.