• Title/Summary/Keyword: the fitness

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Effects of Standardized Ginseng Extract and Exercise Training on Aerobic and Anaerobic Exercise Capacities in Humans (표준화된 인삼추출물과 운동훈련이 사람의 호기적 및 혐기적 운동능력에 미치는 영향)

  • Pipat , Cherdrungsi;Kanyarat , Rungroeng
    • Journal of Ginseng Research
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    • v.19 no.2
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    • pp.93-100
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    • 1995
  • This study was undertaken to determine whether administration of a standardized gindeng extract at 300 mg.$d^1$ for 8 weeks could enhance maximum aerobic and anaerobic exercise capabilities and whether any changes of such effects can be occurred when exercise training was added. Forty-one male university students were randomly divided into four groups as ginseng-untrained (GU, n=10), ginseng-trained (GT, n=10), placebo-untrained (PU, n=10), and placebo-trained (PT, n=11). The trained groups underwent 8 weeks of aerobic exercise at 65% of individual's maximum oxygen consumption ($Vo_2$ max) for 30 min.$d^1$, 3d.$wk^1$. Prior to and at the end of experiment, $Vo_2$ max, anaerobic power (AP), anaerobic capacity (AC), and leg muscle strength were determined and some physiological parameters related to $Vo_2$ max were measured. Initially, all subject groups did not differ in average $Vo_2$ max (range 45.9 to 47.9 ml/.kg-1.min-1). After 8 weeks, the $Vo_2$ max increased significantly from the initial level by 12.6% in group GU, 14.5% in group PT, and 24.5% in group GU which was significantly higher than group GU but not group PT. Changes in all measured parameters related to $Vo_2$ max were similar among the subject groups except group PU. Both the AP and the AC were significantly increased in all subject groups (range +3.6 to +13.1% above initial for the AP and +4.4 to) 8.955 above initial for the AC) but the higher changes were found for the AP in groups PT and GU, and for the AC in grouts PT, when compared with group PU. No significant differences in the two anaerobic variables were observed between group GT and the other groups of subjects. Leg strength was also significantly enhanced over group PU in groups PT, GU and GT. There were no significant differences among the latter three subject groups. As a result of these findings, it was concluded that under the conditions of this study ginseng administration at the prescribed dose exhibited the training-like effects on $Vo_2$ max as well as anaerobic power and leg muscle strength but no clear synergistic action on these physical fitness variables occurred when both g inseng administration and exercise training were combined.

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A Study on the Sports Ideas of Mao Ze Dong, a young man in the "Ti-Yu zhi Yan-Jiu" (「체육지연구(體育之硏究)」속 청년 모택동(毛泽东) 체육사상에 관하여)

  • Shin, eui-yun
    • The Journal of the Convergence on Culture Technology
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    • v.8 no.1
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    • pp.277-284
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    • 2022
  • In this study, some of the contents of the sentence " Ti-Yu zhi Yan-Jiu " written by young man Mao Ze Dong were directly interpreted and examined, and it was intended to summarize what the reasons for this sport, which influenced the formation of his sports thoughts in the future, had on sports development in modern China. As a research method, the original text "Ti-Yu zhi Yan-Jiu" contains young man Mao Ze Dong's unique thoughts on physical education some of the introductions and Articles 2 and 6 of the main text are mainly cited and excerpted. In conclusion, in this sentence, Mao Ze dong summarized that physical education is the way to overcome virtue and knowledge, and active physical education activities accelerate individual self-realization. First, he is a physical education in Salvation is the purpose of the evils of physical education at the time and that actual physical education must be a story, and make some comments. Second, identity theory, he suggested Mental and physical unity. Third, in accordance with the practice was unusually simple and practical, representatively, the six physical fitness practices suggested in "Ti-Yu zhi Yan-Jiu" are important examples.

Regional Skin Maximal Elongation Rate for Appling E-textiles to Tight-Fit Clothing (전자섬유의 피부 밀착의복 적용을 위한 인체 부위별 피부 최대변형률)

  • Jung, Dahee;Kim, So-Yeon;Sohn, Arim;Jeon, Bo-Young;Kim, Seon-Young;Lee, Joo-Young
    • The Korean Journal of Community Living Science
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    • v.28 no.3
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    • pp.365-375
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    • 2017
  • The purpose of this study was to investigate the maximal elongation rate and area expansion ratio of human skin in various postures. Five males and five females (male: $23{\pm}2yr$ in age, $177.9{\pm}4.8cm$ in height, $76.7{\pm}8.8kg$ in body weight, $24.2{\pm}2.5$ in BMI, $16.2{\pm}3.4%$ in body fat; female: $22{\pm}1yr$, $163.2{\pm}3.6cm$, $51.4{\pm}2.7kg$, $19.3{\pm}1.6$, $27.4{\pm}6.7%BF$) participated in this study. Measurements were conducted using a pen and tape on the elbow, knee, wrist, shoulder, and neck. Subjects held postures so that each joint of the body regions was bent at its maximal level. The results were as follows: 1) The maximal elongation rate of skin showed a significant difference among the regions: $16.6{\pm}3.4%$ for the wrist, $22.4{\pm}5.5%$ for the neck (back), $37.6{\pm}11.3%$ for the shoulder, $42.6{\pm}10.0%$ for the knee, and $43.9{\pm}4.0%$ for the elbow (p<0.05). 2) The maximal expansion rate of the body surface area had the greatest values on the elbow ($93.7{\pm}6.4%$) and knee ($74.8{\pm}10.8%$). 3) No significant difference was found between males and females. In summary, maximal values of skin elongation and expansion rates in vivo were greater than in vitro values known from previous reports. These results can be applied to develop electronic fibers or textiles for wearable tight fit work clothing as well as fitness wear.

3D-QSAR Analysis on the Fungicidal Activity with N-Phenylbenzenesulfonamide Analogues against Phytophthora blight (Phytophthora capsici) and Prediction of Higher Active Compounds (고추역병균(Phytophthora capsici)에 대한 N-Phenylbenzenesulfonamide 유도체들의 살균활성에 관한 3D-QSAR 분석과 고활성 화합물의 예측)

  • Soung, Min-Gyu;Kang, Kyu-Young;Cho, Yun-Gi;Sung, Nack-Do
    • Applied Biological Chemistry
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    • v.50 no.3
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    • pp.192-197
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    • 2007
  • 3D-QSARs on the fungicidal activity of N-phenylbenzenesulfonamide and N-phenyl-2-thienylsulfonamide analogues (1-37) against Phytophthora blight (Phytophthora capsici) were studied quantitatively using CoMFA and CoMSIA methods. The statistical results of the optimized CoMFA (2) model ($r^2_{cv.}(q^2)$ = 0.692 & $r^2_{ncv.}$= 0.965) show better predictability and fitness than CoMSIA (2) model ($r^2_{cv.}(q^2)$ = 0.796 & $r^2_{ncv.}$= 0.958). The fungicidal activities according to the information of the optimized CoMFA (2) model were dependent upon the steric and electrostatic fields of the molecules. Therefore, from the contribution contour maps of CoMFA (2) model, it is expected that 63% contribution was caused by the steric bulk of meta-substituent ($R_1$) on the S-phenyl ring. Also, the other contribution level of 32.9% was represented by the positive charged $R_4-group$ ($R_1$) on the N-phenyl ring and para-substituent ($R_1$) on the S-phenyl ring. A series of higher active compounds, $R_1$= 3-decyl substituent ($pred.pI_50$= 5.88) etc. were predicted based on the findings.

Classification of Upper Body Types for the Establishment of a Size Standard for Chinese Women (중국 성인여성의 치수규격선정을 위한 체간부 체형분류)

  • Chang, Hee-Kyung;Sohn, Hee-Soon
    • Journal of Fashion Business
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    • v.15 no.1
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    • pp.103-114
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    • 2011
  • This study is to provide basic information on clothing fitness necessary to develop apparel products for Korean companies that want to enter or have already made inroads into the Chinese market. In an effort to serve this purpose, a standard upper torso body model for Chinese women was established by applying the Rohrer Index and Size Designation of Clothes - Women of GB/T 1335.2-1997 to Chinese women in their 20s to determine body types and its characteristics. First, according to the result of applying the Rohrer Index to categorize body types, Type 1 showed the longest vertical body length and a short horizontal length with the lowest degree of flatness. Type 2 was a standard body type with a height of 158.73cm, weight of 53.02kg and the Rohrer Index of 1.32. Type 3 had a thick and flat body shape that had the highest degree of flatness and the shortest vertical length in its upper torso among all three types of body. Second, F-test was conducted on 4 distinctive body types obtained from comparing obesity scores to verify differences in body shapes for different degree of obesity. The test result indicated significant differences in 3 of the 4 body types and showed different structural components for different degree of obesity. Third, the result of comparing correlational distributions of body types and height range, and body types and degree of obesity for all and specified age groups revealed that about 33.30% of the body types appeared in Type2-A followed by 20.18% in Type1-A, 18.40% in Type2-Y and 7.91% in Type1-Y respectively. Body types and degree of obesity for two different age groups were most frequent in Type2-A. For the group of young women in their early 20s appeared the most in Type2-A, Type1-A, Type2-Y and Type 1-Y respectively and young women in late 20s were frequent in the order of Type2-A, Type2-Y, Type1-A and Type1-Y.

A Study on Anthropometric Data of 5 th Grade Students I. The Distribution of Physical Conditions (국교 5년생의 성장발달에 관한 조사연구 I . 전국 5학년 생의 체격분포)

  • 문현경
    • Journal of Nutrition and Health
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    • v.20 no.5
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    • pp.309-317
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    • 1987
  • The Purpose of this study was to investigate physical conditions and related factors of 5th grade, in Korea. The number of students surveyed was 10.751 . School health records of 63 grade schools were used. The school health record of 5th grade contains results of physical examination from 1st grade to 5th grade and results of physical fitness assessment for 5th grade. A questionnaire was also administered to the student. 1) The proportion of mother who has a job was 29% of students surveyed. Since some of mothers were working at odd hour, it is hard to take care of student's meal and nutritional intake. The proportion of students who didn't eat breakfast everyday was 5.8% . Students who took medicine for health were 26% of total students surveyed. 2) Male students were taller than female students until 4 th grade. At 5 th grade, the mean height was 137.1cm for male students and 137.6cm for female students . At 5 th grade, the mean weight was 31.5kg for male students and 31.2kg for female students. The 10, 25, 50, 75.90 percentile of the total distribution was examined . By rising in grade, the height velocity was decreased for male student and increased for female students . The weight velocity was increased sharply for male and female students and the increasing velocity was larger in female than male students. Using heights and weights from 1st grade, BMI, RI, and RW were calculated. 3) The proportion of students who drank milk everyday was 49%, The \intake frequency of cookies, eggs, ice cream, chocolate were higher than the intake freguency of cheese, ham and soy bean milk

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Evaluation of Obesity and Metabolic Syndrome Risk Factors in College Students (대학생의 비만 및 대사증후군 위험인자 평가)

  • Jung, Joo-Ha;Park, Jung-Jun;Choi, Jae-Hyun;Kim, Do-Yoen;Yang, Jum-Hong
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.12 no.8
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    • pp.3579-3586
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    • 2011
  • The purpose of this study was to evaluate the prevalence of the obesity and metabolic syndrome of the university students and to contribute to the development of the national health promotion through the comparative analysis on the risk factors of the metabolic syndrome by BMI level. The subjects for the study were 848(445 men and 403 women) college students. That is underweight group(18.5 kg/$m^2$ ${\leq}$ BMI, UWG) 28(6%) men, 86(21%) women, normal weight group(18.5 kg/$m^2$ < BMI < 23 kg/$m^2$, NWG) 218(49%) men, 250(62%) women, overweight group(23 kg/$m^2$ ${\leq}$ BMI < 25 kg/$m^2$, OWG) 117(26%) men, 42(11%) women, obesity group(25 kg/$m^2$ ${\leq}$ BMI, OG) 82(19%)man, 25(6%) women based on BMI standard of classification by WHO(2004). The conclusions were as follow. This result are necessary to evaluate the fitness of the university students. Because we can recognize and prevent the negative factor that could be produced during young adults we know the risk factors that could be chronic disease.

The impact of pension insurance on the human resources management of SME workers (중소기업 근로자의 연금보험이 인적자원 관리에 미치는 영향)

  • Lim, Sang-Ho
    • Industry Promotion Research
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    • v.2 no.1
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    • pp.93-99
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    • 2017
  • This study analyzed the effect of pension insurance on the human resources management of SME workers. As a result of the study, a total of 128 workers were enrolled in 60 SMEs in the Chungnam area who were enrolled in pension insurance. The analysis data were analyzed using frequency analysis, factor analysis, reliability analysis, correlation analysis, regression analysis And post - analysis. First, pension insurance had a significant effect on human resource management, and the correlation between independent variables (clarity, suitability, and satisfaction) and dependent variables (job efficiency) was high....Second, the correlation between pension insurance and job performance is more important than clarity and job performance (.339), fitness and job performance (.541), satisfaction and job performance (.531), job performance and job efficiency, And the turnover intention (.549). Third, there is no statistically significant difference in the analysis of the difference in turnover intention according to the number of years of service of the employees who are enrolled in pension insurance. The purpose of this study is to analyze the impact of pension insurance on human resources management to achieve successful policy objectives by promoting the long - term employment of the core manpower of SMEs and cultivating manpower.

Performance Improvement of Simple Bacteria Cooperative Optimization through Rank-based Perturbation (등급기준 교란을 통한 단순 박테리아협동 최적화의 성능향상)

  • Jung, Sung-Hoon
    • Journal of the Korea Society of Computer and Information
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    • v.16 no.12
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    • pp.23-31
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    • 2011
  • The simple bacteria cooperative optimization (sBCO) algorithm that we developed as one of optimization algorithms has shown relatively good performances, but their performances were limited by step-by-step movement of individuals at a time. In order to solve this problem, we proposed a new method that assigned a speed to each individual according to its rank and it was confirmed that it improved the performances of sBCO in some degree. In addition to the assigning of speed to the individuals, we employed a new mutation operation that most existing evolutionary algorithms used in order to enhance the performances of sBCO in this paper. A specific percent of bad individuals are mutated within an area that is proportion to the rank of the individual in the mutation operation. That is, Gaussian noise of large standard deviation is added as the fitness of individuals is low. From this, the probability that the individuals with lower ranks can be located far from its parent will be increased. This causes that the probability of falling into local optimum areas is decreased and the probability of fast escaping the local optimum areas is increased. From experimental results with four function optimization problems, we showed that the performances of sBCO with mutation operation and individual speed were increased. If the optimization function is quite complex, however, the performances are not always better. We should devise a new method for solving this problem as a further work.

A Comparative Analysis of Bibliotherapy Books in the UK, US, and Korea: A Suggestion for the Humanistic Approach to Bibliotherapy (영어권 및 국내 독서치료용 도서 비교 분석 - 인문학적 독서치료의 필요성에 관한 제안 -)

  • Kim, Jungjoo
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.27 no.4
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    • pp.105-123
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    • 2016
  • This study analyzes the spectrum of recommended books for adults included in the bibliotherapy book lists commonly used in libraries and organizations in the UK, US, and Korea. While the recommended book lists in the UK and US retain a diverse range of books relevant to the practitioners' needs, the Korean bibliotherapy book lists are mostly made up of non-fiction self-help books regardless of where the bibliotherapy service is provided. In the subcategory of the bibliotherapy book lists in the UK and US, aside from fictions, books on "health, fitness, dieting" including medical books rank higher than any other kind, which shows that bibliotherapy claims to have therapeutic effects in those organizations. In Korean bibliotherapy book lists, on the other hand, so-called "psychology books impregnated with self-help ideology" take up more than 60%. With the prospect of bibliotherapy as an interdisciplinary practice in mind, I suggest that bibliotherapy should draw upon the insights from humanities in order to help participants have time for deep introspection and attain inner maturity rather than just try to restore their normal conditions before the crisis.