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- 저자 : 裵元煥 (검색결과 4 건)
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배원환 제주한라대학 1994 論文集 Vol.18 No.-
Fastball pitches and curveball pitches thrown by five high school baseball pitchers were filmed using high speed cameras (16 mm) and analyzed using the diret linear transformation (DLT) method of three-dimensional cinematography. After analyzing kinematic data, the following conclusions were made; 1. Fastball mainly affected back spin delivered the ball more energy than curveball mainly affected top spin and side spin. Therefore the speed of FB was faster than that of CB. The values of FB were higher that those of CB in release height, height of C.G, release angle, elbow angle. On the other hand, the values of CB were higher than those of FB in release point, wrist angle. 2. In the time reguired of each phases, FB and CB had some different aspets. CB have delivered energy and have changed the ball through mainly exercise of the upper body and upper extremities. So, CB had disadvantages in effectively using energy which was generated in lower body.
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체지방량의 차이에 따른 심폐기능비교 : 대구시내 남자고등학생을 대상으로
裵元煥,梁金山 慶北大學校 師範大學 體育學硏究會 1990 體育學會誌 Vol.18 No.-
To study % Fat and cardiorespiratory function of high-school boys in korea and know the relationship between the two, this paper has measured % Fat of 29 high-school boys selected at random by using Body composition analyzer (what is called Body watch) and measured cardiorespiratory function by using E. C. G. test and Gas analyzer which took adventage of treadmill, and made a comparative study on general characterisitics of total group and cardiorespiratory function among three divided group. (1) The school boys were inferior in physique and physical fitness to athletes and students majoring in physical education. However, they were in top condition of all characteristics(Height, weight, % Fat, F. F. W, Vo_2max/kg. H. R_max, V. E, V. T, O_2pulse, because they were in the period of physical development. (2) There were some significant differences in Exchaustion time (P<0.05), R. W(p<0.01), Vo_2max/kg(p<0.05) among three groups divided by the difference of % Fat. However, there were little significant difference in H. Rmax, V. E, V. T, O_2pulse, O_2removal, Respiratory rate, Respiratory Qoutient. (3) V. E was much related to O_2pulse (r=0.94) and V. T(r=0.74) V. T was related to O_2pulse (r=0.72). O_2pulse was related to B. S. A(r=0.83) and weight (r=0.78) B. S. A. was related to weight (0.98) (p<0.01).
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Body composition analyzer를 이용한 체구성 성분 분석
梁金山,裵元煥 慶北大學校 師範大學 體育學硏究會 1990 體育學會誌 Vol.18 No.-
This paper has measured % Fat and body composition component of 138 high-school boys in Korea, by using Body composition analyzer (what is called Boby watch)Which took advantage of bioelectrical impedance and researched the differences in items among the three divided groups on the basis of body fat and found the relationship among items. The followings are some conclusions from the research. (1) The average % Fat of all subjects was 9.8%, F·F·W was 90.20%, water content was 68.10% B. M. R was 1831.9 cal/dy, and D, E, E, was 2576 cal/by. There was a great difference among individuals because they were in the period of physical development. (2) There were some significant differences in R. W, W. C, F·F·W, among three groups divided by the difference of % Fat, However, there was little difference in B. M. R, D·E·E, among the groups. (3) The followings are the relationship among the items;Weight is much related to D·E·E(r=0.94), B. M. R(r=0.93), Height(r=0.55), F.F.W(r=-0.62) (p<0.001) % Fat is much related to F.F.W(r=-1.00), w,c(r=-0.73) (p<0.011), and Exercise time (r=-0.22) (P<0.01) Through the relationship, we can find that the more % Fat one has, the heavier one is, and the more % Fat, comparatively, the less W.C, F. F. W and exercise time. If one has more % Fat, he will have some difficulty with physical activity and the performance ability for exercise.
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李喆熙,裵元煥,李達源 啓明大學校 生活科學硏究所 1993 科學論集 Vol.19 No.-
This study was investigated for the purpose of conereting the arm of the physical education and acquiring intrinsic area of the physical education and contributing human culture in highly developed industrial society of the future. The conclusions were summerized as follows; In highly developed industrial society, sports activity for health and leisure by changing of physical education environment will be increased. The mass sports and sports science which social group carrys out positively will be accelerated. With recognition change for physical education, Eco-sports will be important sports. By developing sports scientification, Techno-sports will be more developed. The attitude and a view of value of the people for the sports will be more promoted. The conception of Pro-sports will be changed and the acceleration of political tool of physical education will be done in international sports. The role of physical education scientists who have the specialization and self-confidence of academy and deep experience will be large.
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