Information Systems and Evolution of System Analysis Techniques

Kim, Chung-Tae,김충태 한국외국어대학교 무역대학원 1986 貿易論叢 Vol.14 No.1

도마운동 Cuervo Stretched 동작의 국면별 역학적 분석

박종훈 ( Jong Hoon Park ),윤득헌 ( Deuk Hun Yoon ),백진호 ( Jin Ho Back ),김충태 ( Chung Tae Kim ),김동민 ( Dong Min Kim ),한충식 ( Chung Sik Han ),한윤수 ( Yoon Soo Han ) 한국스포츠정책과학원(구 한국스포츠개발원) 2002 체육과학연구 Vol.13 No.3

본 연구의 목적은 도마 Cuervo Stretched 동작의 도약 국면별 운동역학적 변인의 차이가 제 2비약의 공중 회전운동과 착지 제어에 어떠한 영향이 미치는가를 규명하는데 있다. 이를 위해 국가대표 남자 기계체조 선수 3명을 대상으로 고속 비디오 카메라를 이용한 3차원적 영상분석과 구름판과 도마에 가해지는 힘의 측정을 통하여 운동역학적 변인들을 비교 분석한 결과 다음과 같은 결론을 얻었다. 1. 발구름 시 우수한 동작일수록 고관절을 좁히면서 구름판에 접근하고 신체중심을 앞으로 빠르게 이동시키며 동시에 견관절을 빠르게 좁혀주어 구름판 이륙 시 신체를 앞으로 많이 숙이는 것으로 나타났다. 이는 제 1비약의 체공시간을 짧게 하고 다리를 뒤로 차주는 동작을 용이하게 하여 신체의 회전 속도를 빠르게 유발시키는 것으로 나타났다. 2. 도마 접촉 국면 시 견관절각의 큰 신전과 함께 대퇴분절의 빠른 각속도 유지는 도마 접촉 시간을 짧게 하고 수직성분을 강화시키며 도마 이륙각을 수직에 가깝게 유지시킴으로서 제 2비약의 체공 높이와 거리를 증가시키고 제 2비약의 정점에서 공중 회전거리를 많이 확보할 뿐만 아니라 도마에 가해지는 힘을 크게 하여 탄성을 일으키는데 큰 기여를 하는 것으로 나타났다. 3. 발구름 시 강한 수평반력에 따른 제 1비약의 수직성분 강화는 도마 접촉 시 소요시간을 길게 하고 견관절의 각변위를 작아지게 만드는 것으로 나타났으며, 이는 신체를 앞으로 쓰러지게 하고 수직속도를 약화시킴으로서 제 2비약의 도약력 상승과 공중 회전운동에 나쁜 영향을 제공하는 것으로 나타났다. 또한 공중 회전운동 초반의 소극적인 움직임은 뒤늦게까지 회전운동의 강화에 치중하게 되어 착지 시 좁은 고관절각과 낮은 중심고를 제공하여 불안정한 착지 동작을 유발시키는 것으로 나타났다. This paper aims to closely examine how the difference of kinetic variables by take-off state of horse vaulting Cuervo stretched motion would have an effect on the rotation of the post flight and landing. For this, to three male national artistic gymnastics athletics a three dimensional image analysis using the high speed video camera was made and the force applied to the board was measured, and as a result of comparing and analyzing their kinetic variables, following conclusion was obtained. 1. It was indicated that more skilful motion at contact board approaches the contact board with hip joints in narrow, and moves cog. forward rapidly, and narrows shoulder joint, resulting in making the body bending forward at take-off state. In was indicated that this shortens the duration of pre-flight, and facilitates kicking motion, resulting the rotation velocity of the body. 2. Indicated that at the phase of contacting horse vaulting, large extension of shoulder joint angle and maintenance of rapid angular velocity shortens the contact time of horse vaulting, consolidates vertical components, keeps the take-off angle of horse vaulting close to the vertical state, increases the post-flight height and distance, secures rotation distance in the airborne at the peak of the post-flight, and generates elasticity at horse vaulting. 3. It was indicated the consolidation of the vertical component in the pre-flight according to strong horizontal reaction power prolongs required time at the time of contact horse vaulting, and reduces the angular displacement of shoulder joint, which makes the body fall ahead, and weakens vertical velocity, and provides disadvantage to increase and rotation motion of the take-off power at the post-flight, and the initial passive motion of air rotation motion focuses on the consolidation of rotation motion till late, so provides narrow hip joint angle and low cog. height at landing, resulting in unstable landing motion.

체조 지도자의 변혁적 리더십유형에 따른 지도자 신뢰 및 지도효율성의 관계

김충태,김동민,한충식 한국스포츠리서치 2005 한국 스포츠 리서치 Vol.16 No.2

The purpose of this work is to clarify the relationship between trust and effectiveness through the innovative leadership of gymnastic coaches to gymnasts. For the accomplishment of this goal, sampling has been made from 1.55 male and female gymnasts including 43 high school students. 74 university students, and 33 gymnasts of business gymnastic teams, The survey questionnaires were the Multifactor Leadership Questionnnaire(MLQ) developed by Bycio, Clark & Payne for trust and the Sports Achievement Scale by Duda & Nicholls for effectiveness. The data process has been conducted by Path Analysis with Standard Multiple Regression Analysis holding a sub-variant test for trust and a variant average difference. From this research, Some fruitful conclusions have been drawn about the bilateral relations of the two main factors of gymnastic relationship toward the students: First, the innovative leadership is closely related to trust of the gymnastic coaches. Second, it also has s strong connection with the effectiveness on the instructors. Third, the credibility of the leadership influences the effectiveness of teaching the gymnasts, Lastly. the bilateral relations of the two above are best viewed as a cause/effect relationship.

체조선수의 심리적 기능과 역할에 관한 이론적 고찰

김충태,박영희,송유진 韓國體育大學校附屬 體育科學硏究所 1997 韓國體育大學校附屬 體育科學硏究所論文集 Vol.16 No.1

The purpose of this study was to identify psychological methods and a range of applications as well as to apply theoretical knowledges about how gymnastic performers approach psychologically to increase quality of performance in terms of training and games. The psychological factors were an important tool in performing gymnastics underlying comples tasks and balances. As a matter of facts, researchers have investigated the most specific description of personality and characteristics of mental activity in systematic training of gymnatics. however, there has been a problem that coaches do not use psychological methods in training processes. The coaches who were related to the most aggressive factors were not open-minded in using the psychological methods. The guidelines of the most important psychological training for the coaches were as follows, 1. Coaches should know how they select potentially competitive performers and methods of psychological test for coaching strategies. 2. Coaches should learn psychological training methods about motion perspective, overcoming protective response, focus on strengths, overcoming physical-emotional fatigue and adopting psychological-physical load. 3. Coaches should learn educational-psychological methods that lead to the successful outcome, which performers can release psychological tension and competitive stress, cultivate persistence and overcom the emotional reactions about success and failure for beneficaial psychological background. 4. Coaches should learn coaching methods which were continuing instructional training, positively motivating performers and stimulating performers more interest about training and practice. 5. Coaches should provide beneficial psychological environments during training session. 6. According to the factors of analytic psychology, coaches should get to know each performer's age, personality characteristics, game preparation. For the sake of the above guidelines, coaches must execute continually goal-directed training and require recent research background in the field of sport psychology.

Rings운동에서의 Giant swing동작에 대한 운동학적 분석

윤희중,박종훈,한충식,김영란,김충태 韓國體育大學校附屬 體育科學硏究所 1992 韓國體育大學校附屬 體育科學硏究所論文集 Vol.11 No.1

This study was to investogate the kinematic patterns of the giant. swing on rings by 3 male gymnastic. The motion was filmed at 60frame/sec high video camera. The result was as follows ; 1. Subj. C showed a large displacement in the wrist J. at phase I and Subj. B showed a large displacement at phase 2, 3, 4. 2. Subj. C showed a large displacement in the hip J. at down swig phase and Subj.B, C showed a large displacement. at upward swing phase. 3. Subj. A showed a large velocity a in the hip J. at phase 1 and Subi. C shooed a large velocity at phase 2, 3, 4. 4. Subj. C showed a large velicity in the shoulder J. at whole phase. 5. Subj. C showed a large angular velocity in the hip J. at down swing phase and subj. B showed a large angular velocity at upward swing phase. 6. Subj. B showed a larege angular velocity in the shoulder J. at. phase 1, and Subj. C showed a large angular velocity at phase 2, 4 also subj. A showed a large angular velocity at phase 3.

體操競技의 基礎 트레이닝에 關한 理論的 考察

金忠泰,金東敏,韓忠湜,南勝久 韓國體育大學校 1995 論文集 Vol.18 No.-

This study aimed to make an inquiry into the problem of basic skills in techniques in the gymnastic game and into the means for the training of basic skills. It become apparent that the training means must be performed to fit into the structure of the fargetrd technique. But the training means for some technique can be used in the training of the technique only through the setting of the more elaborate objectives and tasksand the training task will have to be determined based on an inquiry into structure of exercise as to how exercise should be performed as the means for training of basic skills on its spot is being performed based on the means for training of basic skills on its spot is being performed based on the director's experiences and there are few theoretical studies on this area. Only when both theoretical inquiry and reflection are simultaneously made of the content taken for granted on the spot for the purpose of developing the methodology of training. The vehicle for training will proceed to be rationalized in the future.

평행봉 Moy Piked to Support 동작의 운동학적 분석

윤창선,이연종,김충태 韓國體育大學校附屬 體育科學硏究所 1995 韓國體育大學校附屬 體育科學硏究所論文集 Vol.14 No.1

The purpose of this study was to provide the basic data for developing of competition skill in Moy Piked to Support motion on the parallel bars. The subjects used in this study were 3 collegiate male gymnasts. The selected kinematical variables of Moy Piked to Support motion were analyzed and compared. Therefore, the following conclusions were drawn ; 1. In landing phase, the vertical displacement of CDG showed the heigh of 1.10m for s-1,1.31m for s-2 and 1.13m for s-3. s-2 performed the highest height at landing. 2. In the release phase, the resultant, velocity of COG was 2.82m/s for s-1and 4.41m/s for s-2. And s-3 performed the most fast veiocity of 5.05m/s. Also the vertical velocity showed the velocity of 2.41m/s for s-1,3.75m/s for s-2 and 3.14m/s for s-3. s-2 performed the most fast velocity at release. 3. At the moment of release, the angle of shoulder joint showed the angle of 180˚for s-1,164 for s-2 and 168 for s-3. S-1 showed the largest angle at shoulder joint. 4. During down swing phase, the angular velocity of shoulder joint. indicated the angular velocity of 15˚/s for s-1 and 23˚/s for s-3. And s-2 performed the down swing with the fastest angular velocity of 34˚/s. Also at the moment of release, the angular velocity of hip joint was 40˚/s for s-1,426˚/s for s-2 and 602˚/s for s-3. S-3 showed the most largest angular velocity.

跳馬競技의 着地 成功率에 關한 硏究 : 女子選手를 中心으로 Centering on the Female

金忠泰,趙成東,韓忠湜 韓國體育大學校 1988 論文集 Vol.11 No.-

The purpose of this study was to analyze the success rate of landing in vaulting performance(Approach, Take-off, Pre-flight, Horse contact, Post-flight, Landing). The subjects were 24 gymnasts who were participated in the 10th Asian Games in Seoul, the 24th World Championships in Rotterdam and the 24th Olympic Games in Seoul especially who were in Competition Ⅰ and Competition Ⅲ. The results were as follows. 1. Landing success rate as the games The success rate was 65% in Asian Games, was 81.3% in World Championships, and in Olympic was 83.8% which was the highest rate. 2. Landing success rate as performances The skill of Tsukahara with stretched 1/1 turn(360。)was used 5 times, its success rate was 83.3%. The skill of Round-off and Flic flac on 1/2 salto backward with stretched 1/1 turn(360。)was used 11 times, and its rate was 82% through the 3 Games. 3. Landing success rate as an attitudes Tucked style was used 13 times and its rates was 69.2%, Picked styled was used 3 times and was 80%, Stretched style was used 32 times and was 79.4%.

鐵棒競技의 着地 成功率에 關한 分析

金忠泰,南勝久,韓忠湜 韓國體育大學校 1990 論文集 Vol.13 No.-

The puropse of this study was to analyze the success rate of landing in Horizentar Bar. The subjects were 24 gymnasts who were participated in the 24th world championships, the 25th Olympic game in Seoul and the 25th world-championships especrally who made a good record at fesults were as follows. 1. Landing success rate as the games. The success rate was 77.5% in Olympic and in 25th world championships was 70% and in the 24the world champions was 80% whick was the highest rate. 2. Landing success rate as performances. The skill of Double salto backward stretched art was 9 times, and its rate was 88.8% through the 3 Games. The skill of Double salto backward stretched 1/1 turn to dismount Art was used 7 times, its success rate was 82.2%. 3. Landing success rate as art form. Tucked form was used 7 times and its rate was 57%, stretched form was used 16 times and was 85% (which was performed rather than Tucked formed and picked form).

體操競技 男·女 種目別 着地 成功率에 關한 比較分析

金忠泰,韓忠湜 韓國體育大學校 1993 論文集 Vol.16 No.-

The 47 players(M : 23, F : 24) who participated the gymnastic games(The 3rd game : the finals in each events) of the 11th Bei-jing Asian games were made an object of this research. The success rate of landing performance substances of 3 events(M : vaulting horse, parallel bars, horizontal bar. F : vaulting horse, balance heam, uneven bars) wich are similar in performance substance and technical figures. As a result rate of researche and analysis, the conclusion is as follows. 1. The success rate of landing in performance substance. 1) Vaulting horse(M,F) Men : yurenchenko technic was practiced 7 times at the first time and second time and it was proved as the highest success rate. The highest was 100% and the lowest was 60%. Handspring technic was practiced 2 times(at the first time and the second time) and it was proved as the lowest success rate. The highest 40% and the lowest was 0%. Women : Tsukahara technic was paracticed 3 times at the first time and second time and it was proved as the highest success rate. The highest was 80% and the lowest was 60%. Handspring technic was practiced 6 times(at the first time and second time) and it was proved as the lowest success rate. The highest was 80% and the lowest was 0%. 2) Parallel bars(M), Balance beam Parallel bars(M) : Double salto bwd. tucked, Double salto bwd. piked technics were proved as the highest success rate of 100%, and From hang on end double salto bwd. piked technic was proved as the lowest success rate of 60%. Balance beam(F) : Double salto bwd. tucked technic was proved as the highest success rate of 100% and Double salto bwd. tucked w. 1/1 twist technic was proved as the lowest success rate of 60%. 3) Horizontal bar(M), Uneven bars(F) Horizontal bar(M) : Double salto bwd. str. w. 2/1 turns technic was proved as the highest success rate of 100% and Triple salto bwd. tucked technic was proved as the lowest success rate of 60%. Uneven bars(F) : Double salto bwd. tucked technic was proved as the highest success rate of 100% and Double salto bwd. tucked w. 1/1 twist technic was proved as the lowest success rate of 60%. 2. The success rate of landing in technical figures. 1) Vaulting horse(M,F) Men : Stretched forms of technic which was practiced 8 times and 4 times at the first time and the second time was proved as the highest success rate of 71%. Piked forms of technic which was practiced once at the first time and the second time was proved as the lowest success rate of 40%. Women : Stretched forms of tetchnic which was practiced 6 times and once at the first time and the second time was proved as the highest success rate of 86%. Tucked forms of technic which was practiced once and 4 times at the first time and the second time was proved as the lowest success rate of 52.5%. 2) Parallel bars(M), Balance beam(F) Parallel bars(M) : Picked forms of technic which parcticed 3 times was proved as the highest success rate of 86% and Tucked forms of technic which parcticed 5 times was proved as the lowest success rate of 84%. Balance Beam(F) : Tucked forms of technic which parcticed 7 times was proved as the hifhiest success rate of 77% and Piked forms of technic which parcticed once was proved as the lowest success rate of 60% 3) Horizontal bar(M), Uneven bars(F) Horizontal bar(M) : Stretched forms of technic which was practiced 6 times was proved as the highest success rate of 76% and Tucked forme of technic which was practiced once was proved as the lowest success rate of 60%. Uneven bars(F) : All the players practiced Tucked forms of technic and they got the landing success rate of 85%.