2011 대구세계육상선수권대회 남자 장대높이뛰기경기 우수/준우수선수 경기기술의 운동학적 요인 비교 분석 (Kinematical Analysis of 2011 Daegu IAAF World Championships Men's Pole Vault Event)

서지정보

· 발행기관 : 국민체육진흥공단 한국스포츠과학원
· 수록지 정보 : 체육과학연구 / 25권 / 4호 / 680 ~ 689페이지
· 저자명 : 최규정, 문제헌, 이경옥, 정범철

초록

이 연구는 2011 대구세계육상선수권대회 남자 장대높이뛰기경기에 참가한 선수의 경기기록 차이가 기술의 운동학적 변인과 어떻게 연계되는 가를 알아보기 위해 수행하였다. 결선에 진출한 8명(G1)과 예선경기 최하위 기록을 보인 7명(G2)이 각자의 최고기록을 낸 시기를 대상으로 2차원, 3차원 영상분석을 실시하였다. 5대의 비디오카메라를 사용하여 60 Hz로 영상자료를 수집하고, 디지타이징하였다. Butterworth 2차 저역통과필터(차단주파수 10 Hz)를 사용하여 원자료를 평활하고 운동학적 변인을 산출한 후, 두 집단의 독립표본 차이검정을 실시하였다. 분석 결과, 조주 단계에서는 스텝 수와 11-6 m 조주구간의 수평 속도가 G1이 G2보다 높다. 도약 단계에서는 G1이 G2보다 수평속도 감속이 적으며, 도약각도(바에 접근하는 각도)가 적어 전체적으로 G2보다 먼 지점에서 낮게 도약하는 기술적 특성을 보인다. 장대 구부리기 및 펴기 단계에서는 G1이 G2보다 수평속도가 대체적으로 높으며, 수직속도는 장대를 곧게 펴는 구간과 장대를 놓는 순간에 월등히 높기 때문에 G1이 높이 도약할 수 있었던 것으로 사료된다.

영어초록

The purpose of the study was to investigate the relationship between the different kinematical variables with respect to the records and techniques performed by the participants during the 2011 Daegu IAAF World Championships Men's Pole Vault Event. Subjects chosen for the study were 8 male athletes who were selected for men’s pole vault finals (highly skilled group) and 7 athletes who scored lowest record (skilled group) from the men’s pole vault qualifying round. Personal best record of the each subjects were chosen to perform two dimensional (2D) and three dimensional (3D) video analyses. The data were obtained at 60 Hz with the use of five video cameras and digitizing was performed. Kinematical variables were calculated after smoothing the data using 2nd order Low-Pass Butterworth filter at cut-off frequency of 10 Hz and Independent samples t-test was performed to test any differences between two subject groups. The results: during the run-up stage, the horizontal velocity rate of the number of steps and run-up phase was obtained higher in highly skilled group than skilled group. During the take-off phase, deceleration in the horizontal velocity rate was observed in highly skilled group than skilled group. Distinct technical characteristics of distant and lower take-off of the take-off angle (angle of pole support) were also observed in highly skilled group than skilled group. During the pole bending and releasing phase, horizontal velocity was generally higher in highly skilled group than skilled group. It is considered that highly skilled group was able to jump higher as the vertical velocity during the pole bending as well as release phase was much higher in comparison to the skilled group.

참고자료

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