• Korean Journal of Applied Biomechanics
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• v.12 no.2
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• pp.33-49
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• 2002

This study was intended to provide basic materials for golf coaching by somatotype by analyzing and comparing the kinematic factors found in each somatotype at the time of golf swing. For this purpose, the somatotype was divided into endomorph, mesomorph and ectomorph in reference to the weight, height and upper arm circumference of each of nine professional golfers. Each of their swing motions was videotaped with the camcorder and their swing motion was analyzed by dividing it into 8 sections. The time required for the swing motion, the displacement of the center of the human body and the rotation angle of the upper body were calculated through the three-dimensional image analysis based on the DLT(Direct Linear Transformation). Based on the findings of this study, the following conclusion was drawn: The endomorphic golfers showed the longest required golf swing time, followed by the mesomorphic golfer and then the endomorphic golfer. The displacement of left-to-right movement was largest in the mesomorphic golfers, followed by the endomorphic golfers the up-to-down displacement was upward at the time of impact and that the endomorphic and mesomorphic golfers raised the sense of stability by maintaining an almost uniform height at the time of impact. As for the rotational angle of the upper body and the rotational angle of the thigh, the upper body and the thigh took a form of rotating earlier in the ectomorphic golfers at the time of impact, who showed a somewhat different characteristics compared to the endomorphic and mesomorphic golfers. It is necessary to investigate the movement of more fundamental forces in presenting the theory related to the kinematic characteristics of this swing by somatotype. Accordingly, it is thought that it is necessary to analyze the center of pressure(COP) using the ground counterforce in the future study.

• Journal of the Korean Society of Food Science and Nutrition
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• v.42 no.10
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• pp.1592-1599
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• 2013

Despite numerous studies regarding overweight or obese children, only a limited number of studies have investigated the effect of underweight. The purpose of this study is to investigate the determinants of underweight among school-aged children. A total of 493 students (86 underweight and 407 normal weight students) aged 11 to 13 years were included in our study. Socio-demographic characteristics, eating habits, health information, self-perception of weight, weight-control efforts and birth-related information were collected by using survey questionnaires for children and parents. Dietary information was obtained by two 24-hour food records, which were completed by both children and their parents. The prevalence of underweight was significantly higher in girls than boys, and the frequency of medical treatment and flu symptoms were higher in underweight children than normal ones. Overall, girls tended to overestimate their own weight; this misclassification was greater among underweight girls. Birthweight was positively correlated with current weight (P<0.05) and height (P<0.01) in girls, but these correlations were not seen in boys. In conclusion, underweight girls had inappropriate self-perception of weight, and underweight in girls may be related with birthweight and inadequate dietary intakes. Therefore, it is important to build a well-designed framework that integrates efforts of home, school, and community to maintain a healthy weight with balanced diet and exercise throughout the lifetime.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.22 no.1
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• pp.650-659
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• 2021

This study was conducted to identify the factors affecting the health-related quality of life(HRQOL) in married women according to their occupations. The study subjects were 2,555 married women in the 7th National Health and Nutrition Examination Survey, and the SPSS 25.0 program was used for data analysis. The results are as follows. In the case of office workers, the age, household income, obesity etc., were significant factors, and the explanatory power was 8.9% (p<.001). In the case of service workers, the age, education level, weight control, subjective health, and stress were significant factors, and the explanatory power was 16.1% (p<.001). In the case of simple labor, the age, education level, number of household members, hypertension, obesity, weight change, weight control, sitting time, subjective health, subjective body image, and stress were significant factors, and the explanatory power was 24.7(p<.001). In the case of unemployed, the age, household income, number of household members, number of days taking a walk per week, sleeping time, sitting time, subjective health, subjective body image, and stress were significant factors, and the explanatory power was 29.9% (p<.001). In the future, when developing a program to improve the HRQOL, the individual management programs considering the factors affecting the HRQOL according to occupation should be applied.

• Journal of Digital Convergence
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• v.20 no.4
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• pp.747-758
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• 2022

This study aimed to identify the factors that influence depression in stressed adults by age. Data were extracted from the 7th Korea National Health and Nutrition Examination Survey, covering 3,333 adults aged 20 to 59 years who were highly aware of stress. Linear regression analysis was performed using the IBM SPSS 25.0 program. The study found that in the case of people in their 20s, education level, health-related quality of life, obesity, weight change, smoking, and subjective body type were significant influencing factors, with an explanatory power of 60.3%. In the case of people in their 30s, gender, household income level, living with spouse, economic activity, health-related quality of life, food intake, obesity, alcohol consumption, smoking, and subjective health were significant influencing factors, with an explanatory power of 30.3%. For people in their 40s, household income level, living with spouse, economic activity, health-related quality of life, smoking, aerobic exercise, and subjective health were significant influencing factors, with an explanatory power of 34.4%. For people in their 50s, gender, education level, income, economic activity, health-related quality of life, protein intake, fat intake, high blood pressure, diabetes, weight control, aerobic exercise, subjective health, and subjective body type were significant influencing factors, with an explanatory power of 42.3%. Therefore, as it was found through this study that the factors affecting depression in stressed adults differ by age, it is necessary to establish an intervention strategy for each age when trying to lower depression in stressed adults.

• Journal of Animal Science and Technology
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• v.50 no.6
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• pp.763-774
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• 2008

This study was carried out to investigate the correlation of body measurement type and carcass traits. This study used body measurement type and carcass traits on 1,312 heads of Hanwoo steers tested(24 months) which was from 1997 to 2002 at Hanwoo Improvement Main Center National Agricultural Cooperatives Federation. Body measurement type used the age of 18 months body measurement type, and carcass traits used the results of decision grade of Animal Products Grading Service. Observing the phenotypic correlation between carcass traits and body measurement type from the result, the weight, withers height, and chest width at age of 18 months and carcass weight showed readings of 0.690, 0.483, and 0.506, respectively. Also, eye muscle area and age of 18 months weight and chest width read 0.356 and 0.279, respectively. According to results, that improvements in weight, withers height, and chest width are likely to enlarge the eye muscle area and meat production level. Not only quality improvement but also quantity augmentation affect income and sales of the farmers. As can be seen in this study, improvements of weight, withers height and chest width should always be put to much effort while other body measurement type should be considered continuously too. In order to attain clearer results further studies should be done on body measurement type, which will contribute to the improvements of body measurement type in Hanwoo.

• Fashion & Textile Research Journal
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• v.1 no.3
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• pp.252-258
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• 1999

The aims of this study is to classify the lower somatotype of adult women and appearance analysis on the shape of flare skirts by using the image processing. Also We have made skirts in order to analyze the various types of appearance of flare skirts by using the image processing. The subjects for our wear test lower somatotype, who were controlled in their waist, abdomen and hip shapes. The flare skirts used for wear test were 112 types(combinated 14 fabric type and 8 lower somatotype). The effect of lower somatotype on the shape of flare skirts was determined by the horizontally hem line section shape and the silhouette of flare skirts with image processing. The data were analyzed by using analysis of variance and Turkey, Duncan multiple range test. The results obtained are summarized as follows: It is shown that the fabric weight elongation differs in fabrics properties, in direction of textures. The shape horizontal section of flare skirt hem line has differed with the number of nodes, wave-height of nodes and breadth of silhouette by fabrics properties and lower somatotype. It is noticed that the breadth of flare skirts by the silhouette has high correlation with the drape ability of fabrics and lower somatotype. Results for our flare skirts show changes in amplitude and mean with fabrics, somatotype. Therefore we can say that gray-level histograms are correlated with changes in appearance, differences in drape spacing and related fabric properties and their somatotype.

• Journal of Industrial Convergence
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• v.22 no.5
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• pp.79-88
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• 2024

The study aim was to investigate the relationship between adolescents' physical activity and subjective health perceptions and determine whether body mass index (BMI), an obesity-related indicator, had a mediating or moderating effect on this relationship. To achieve the purpose of this study, raw data from the 18th Youth Health Behavior Online Survey (2022) were used, and data from 23,612 people were ultimately selected for the research analysis. A confirmatory factor analysis and structural equation modeling were applied to the data, and bootstrapping techniques were used to verify the mediating effect. To verify the moderating effect, a multigroup analysis of the structural equation model was applied to calculate pairwise parameter comparison values. All statistical significance levels were set at .05. The results of this study follow. First, the greater the amount of physical activity among adolescents, the more positive was the effect on subjective health perception. Second, subjective body type perception had a partial mediating effect on the relationship between physical activity and subjective health perception. Third, subjective body type had a moderating effect on physical activity and subjective health perception. Specifically, people who perceived their subjective body types as average viewed their subjective health more positively when they engaged in more physical activity than those who perceived their body types as slightly or very overweight. In conclusion, preventing obesity and positively changing the subjective health status through sufficient physical activity during adolescence are important.

• Proceedings of the Costume Culture Conference
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• 2003.04a
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• pp.47-47
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• 2003

본 연구의 목적은 중국의 북경과 상해에 거주하는 성인 여성의 체형을 각 거주 지역(북경ㆍ상해)의 연령대(20대, 30대, 40대)별 신체적 특성을 파악하는 것이다. 연구문제는 다음과 같다. 1. 중국 성인 여성의 각 거주 지역의 연령대별 신체 계측치를 비교한다. 2. 중국 성인 여성의 각 거주 지역의 연령대별 요인점수를 비교한다. 3. 중국 성인 여성의 각 거주 지역의 연령대별 유형의 분포 경향을 파악한다. 연구 방법은 중국 북경과 상해에 거주하는 20세에서 49세 성인 여성 578명을 대상으로 인체 계측하였다. (중략)

• Journal of agricultural medicine and community health
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• v.25 no.1
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• pp.85-98
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• 2000

The questionnaire survey using the Center for Epidemiological Studies-Depression Scale(CES-D) was conducted to determine the prevalence of depression and related factors in the rural elderly. The subjects were 922 individuals of 60 years of age and over, living in Chonnam province. The results of this study were as follows. The prevalence rates of depression were 14.6% in male and 24.4%, in female. As the age increased, the prevalence rate increased and the rate was higher in non-educational and widowhood group. The prevalence rate was lower in the group of having good health habits and having a good health status. In the regression analysis, significant predictors of the depression were sex, education, physical activity, perceived health status and body image. In conclusion, main, characteristics which had close relationship to depression in the rural elderly were physical function and self-rated health status.

• Journal of the Korea Fashion and Costume Design Association
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• v.24 no.2
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• pp.73-84
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• 2022

Based on the method of marking the size of children's wear suggested by Korean Agency for Technology and Standards, this study classified the heights of school-aged girls by 10cm. The purpose of this study is to provide foundational material by analyzing and comparing the characteristics of torso types. The author analyzed the height section of 130 to 139.9cm, which the majority of subjects fell into, and concerning the method of research, this study statistically analyzed body sizes and calculated items related to 162 persons' torso types out of the 6th Korean Body Size Data. According to the results, eight factors were extracted, and the total explanatory variate of all the factors was found to be 81.93%. According to the results of cluster analysis with it as an independent variable, three types were drawn. Type 1 (41.4%) was found to be the thickest in the torso and round and severely curved in the sectional form of the circumference item. RegardingType 2 (25.9%), the horizontal size of the torso is similar to that of Type 1: the upper body is long, and the sectional form of the circumference item is oval-shaped. Regarding Type 3 (32.7%), mean values are similar to those of Type 2 overall: the upper body is short, and the body is the most upright. In conclusion, according to the results of analyzing torso types, the types and average values indicate significant differences in the height section of 130~139.9cm. This implies that when making ready-made clothes, it is necessary to come up with the sizes of more detailed items in relation with height. It is expected that the findings of this study will be utilized as basic data when children's wear companies develop prototypes and use grading variances according to the variations of size.