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RISS 인기검색어
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- 저자 : 윤완영(Wan Yung Yoon) (검색결과 2 건)
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검도 초보자와 숙련자의 손목치기 동작의 좌측 상지관절에 대한 운동학적 분석
윤완영(Wan Yung Yoon),김성일(Seong Il Kim),안찬규(Chan Gyu Ahn) 한국사회체육학회 2001 한국사회체육학회지 Vol.16 No.-
The purpose of this study is to analysis and present descriptions of Wrist hitting motion of Gumdo. This study was carried out three dimentional kinematic analysis on wrist hitting motion of the two skilled and unskilled for instructing to novice. 1. There was no difference in AP or RFT during hitting wrist between the skilled and the unskilled, but the difference in the angle of the left wrist during impact between the skilled and the unskilled was significant(skilled; 152.64±1.32 and unskilled; 131.46±6.82). Therefore, it shows not only that the intensity and speed of hitting is better in the skilled than those in the unskilled but also the skilled reached at maximum angle of the left wrist while the unskilled didn`t. 2. Significant difference was not found in the algle of the left elbow at the event of AP, RFT and IP between the skilled and the unskilled(skilled; AP; 146.76±3.74, RFT; 114.66±2.31, IP; 163.11±5.62 and unskilled; AP; 137.97±0.70, RFT; 113.73±6.74, IP; 148.78±1.22). 3. There was difference in the angle of the left shoulder joint with the right foot taking off between the skilled and the unskilled(skilled; 123.67 ˚ and unskilled; 100.89 ˚). It shows that the skilled`s hitting was more efficient than that of the unskilled. 4. Significant difference was not found in the torque of the left wrist joint at the event of AP and RFT between the skilled and the unskilled. However, the torque of the left wrist joint was different significantly between the skilled and the unskilled(skilled; 31.06radian/sec and unskilled; 13.86 radian/sec). 5. In the IP, Despite of using the wrist joint, the unskilled was didn`t therefore, the unskilled was unefficient 6. There was difference in the torque of the left shoulder joint at the position of RFT between the skilled and the unskilled(skilled; -10,1±0.75 and unskilled;-6.57±6.29).
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김기형(Ki Hyung Kim),김형수(Hyung Soo Kim),이현섭(Hyun Sub Lee),안찬규(Chan Gyu Ahn),윤완영(Wan Yung Yoon),김의환(Ui Hwan Kim) 한국사회체육학회 2001 한국사회체육학회지 Vol.16 No.-
The purpose of this study is to present descriptions of head hitting motion of Kumdo. In this study, We carried out kinematic analysis on head hitting motion of three Kumdo players for establishing the technique guidance to novice. After calculating angles of lower and upper extremities, angular velocities and angular accelerations, following results could be made. 1. The total elapsed time of head hitting motion was 0.67±0.12 seconds, the elapsed time of RP↔BS phase was 0.37±0.03 seconds and BS↔IP phase was 0.29±0.09 seconds. Therefore, the progressing time of RP↔BS phase took more than those of the other phase. 2. In RP phase, the angle of left elbow joint was 147.14±4.30, and left shoulder joint was flexion. In BS phase, the angle of left wrist joint was 81.10±5.74˚, that of left shoulder joint was 111.36±16.16˚. At the impact, the left wrist joint showed the highest extension. Furthermore, the angle of right trunk joint showed the highest flexion during BS phase. In the knee angle, it was 145.24±24.76˚ in BS phase and was 128.43±19.17° in IP phase. In the vertical displacement of the right foot, it was 13.8±2.75cm, which is the highest value in BS↔IP phase. so it was concluded that a effective stroke was by fast moving of a lower joint, flexion and extension in the upper joint. 3. In the angle velocity of the expert, it is occurred that the shoulder joint was 7.76±1.19 rad/s in BS phase, the elbow joint was 6.30±2.19 rad/s in BS↔IP phase and wrist joint was 18.15±0.46 rad/s in IP phase. Also, The knee joint angular velocity was -8.49±0.18 rad/s, which was the lowest velocity in BS phase and increased up to 4.28 ± 1.05 rad/s in IP phase. In the angular acceleration, it is occured that the left wrist joint was 365.21±114.31 rad/s^2, which was the highest angular acceleration in BS↔IP phase but was slow down in IP phase. At the impact, the left shoulder joint showed the highest angular acceleration.
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