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청소년의 운동과 학업에 대한 목표지향성의 교차상황 검증
윤형기(Hyung Gi Yoon) 한국사회체육학회 2000 한국사회체육학회지 Vol.13 No.-
This study is a fundamental research for proving to possibilities of cross situational generalizing as to the speciality of youth`s achievement. 474 High school students(male: 181, female: 293) participated in this test of research. Achievement goal was studied by the survey involving work-directional and self-directional elements, which was corrected and supplied according to sport and schoolwork situation. The result of element analysis as for these two elements divides work and self-directional equally and supports cross-situational generalizing possibilities. But the result of analysis involving sport and schoolwork was divided into 4 elements, but there was change in work and self-directional element. And in the result of t-test inspection as for schoolwork and sport, both work and self-directional showed the higher average, meaningful difference with sport.
탈진 운동이 혈중 항산화효소와 과산화지질에 미치는 영향
윤형기(Yoon Hyung-Gi) 한국체육과학회 2000 한국체육과학회지 Vol.9 No.2
The purpose of this study was to evaluate the effects of exercises on activation of antioxidant enzymes and concentration of glutathione and malondialdehyde by exercise types and gender. For this purpose, ordinary students and soccer players of both gender were picked up to be tested to a treadmill running with a fixed load amounting to 80% of VO2max until their entire physical exhaustion. Subjects' blood was tested before, immediately after, 5 and 10 minutes after the exercise to be examined. It was found out that the before and immediately after the exercise, the ordinary male student group showed the highest concentration significantly, while the female soccer player group indicated the lowest level. On the other hand, the level of ordinary female group's glutathione concentration was significantly recovery 5 and 10 minutes after the exercise. Also, it was found out that the ordinary male student group showed higher level of malondialdehyde concentration significant than male and female soccer palyer groups. However, immediately and recovery 10 minutes after the excercise, the ordinary male group showed a significantly higher level of malondialdehyde concentration than the other three groups. In conclusion, this study shows that regular training associated with significantly changed concentration of glutathione and malondialdehyde. These findings support the view that free radical-induced damage in muscle could be one of the factors involved in muscle fatigue. If so, the increased endurance in trained male should reflect lengthening of the time required for the increased oxidative processes to sufficiently impair cell function so as to make further exercise impossible. Future studies amy consider age, muscle fiber type, physical fitness lever and training intensity.
초등학생의 신체유형, 골격성숙도 및 체력의 인과관계 검증
윤형기(Yoon Hyung-Gi) 한국체육과학회 2002 한국체육과학회지 Vol.11 No.1
This study investigated Skeletal maturation, physical fitness of classified by somatotype of 258 male elementary school students attending the elemetary school in Seoul. The result of the study were as follows; 1. In factor of TW20-2score, Carpals score, bone age appeared Endomorphy average the highest in three groups in Somatotype. 2. In factor of grip strength apeared Ectomorphy average the highest in three groups in Skeletal maturation. 3. The correlation coefficient between grip strength and TW20-2score, Carpals score, RUS score, bone age were revealed as the highest correlation in Mesomorphy.
윤형기(Hyung Gi Yoon) 한국사회체육학회 2002 한국사회체육학회지 Vol.17 No.-
This study investigated body composition of classified by skeletal maturation of 394 male middle school students attending the middle school in Seoul. The result of the study were as follows; 1. In factor of percent fat appeared 14 years group average the highest in four groups. 2. In factor of Skeletal maturation score(RUS) appeared 463.9 for 12 years, 561.1 for 13 years, 760.8 for 14 years and 881.1 for 15 years. 3. In factor of Fat free mass, BNH and Total body water appeared Advanced group average higher than Normals, Retard groups in 13 and 14 years.
당구활동 참여노인의 신체, 사회성 능력이 여가만족 및 삶의 질에 미치는 영향
윤형기(Yoon, Hyung-Gi),김대훈(Kim, Dae-Hoon) 한국체육과학회 2011 한국체육과학회지 Vol.20 No.5
This study was has set the target as elders who are over 60 years old living in Seoul area as of May, 2010 in order to clarify the effect of physical and social abilities of elders participating in billiard activity on leisure satisfaction and quality of life while the sample has been extracted using Systematic Stratified Cluster Random Sampling for sampling the subjects of investigation. For the extraction process of the sample, a total of 240 people dividing into four areas of Gangdong, Gangseo, Gangbuk and Gangnam based on Seoul area. Among the total of 240 sampled questionnaires, the factor analysis and multiple regression analysis were performed using SPSS 12.0 on the data of 210 people excluding insincere responses and partially omitted data to derive the following conclusions. First, as a result of analyzing the effect of physical ability on emotional/social and physical/environmental leisure satisfaction or the quality of life, the positive effect was shown in them including emotional/social and physical/environmental leisure satisfaction or the quality of life. Second, as a result of analyzing the effect of social ability on emotional/social and physical/environmental leisure satisfaction or the quality of life, the positive effect was shown in them including emotional/social and physical/environmental leisure satisfaction or the quality of life. Third, as a result of analyzing the effect of leisure satisfaction on the quality of life, the positive effect was shown in the quality of life.
생활체육 참여노인의 건강증진행위, 건강상태, 여가만족 및 삶의 질의 관계
윤형기(Yoon Hyung-Gi),김대훈(Kim Dae-Hoon) 한국체육과학회 2011 한국체육과학회지 Vol.20 No.4
To look into the matter closely, the work established the target as the senior citizens who over 60 years old in Seoul city, May, 2010. Using convenience sampling, the target is extracted from the leisure programs (Badminton, physical exercises, gate ball, mountain climbing, ping-pong, jogging, dance, aerobics and dance sports) of the public community center. The total amount, 240 people, is composed 60 people each from 4 districts (Gangdong, Gangseo, Gangbuk, Gangnam). Using SPSS 12.0 program after excepting untruthful people surveyed and some missed documents, total documents from 214 people are enforced using the way of factor analysis and multiple regression analysis. It may be summarized as follows. First, health promotion behavior of the people is a positive factor which effects on their health status, satisfaction of leisure and quality of life. Second, health status of the people is a positive factor which effects on the quality of life. Third, their satisfaction of leisure is effect on the economic quality of life.