• 한국운동역학회지
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• 제18권4호
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• pp.31-39
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• 2008

이 연구는 국내에서 개최한 국제육강대회의 110m 허들 결승을 대상으로 대회 우승자(중국),2위 입상자(미국), 3위 입상자(한국) 총 3명을 대상자로 선정하였다. 국외 우수선수와 국내 우수선수의 허들링 동작을 분석하기 위해 3차원 영상분석을 이용하였으며, 기술적 특징을 분석한 결과 다음과 같은 결론을 얻었다. 허들을 넘기 전 질주동작인 준비구간에서 국내 우수선수는 도약 접지에서 도약이지까지 신체 무게중심의 수평거리가 1.04m로 국외 우수선수보다 0.13m 길게 질주하는 것으로 나타났다. 허들을 넘는 비행구간에서 국내 우수선수는 도약에서 비행정점까지 신체 무게중심의 수평거리가 1.63m로 나타났으며, 국외 우수선수보다 0.33m 짧게 도약하는 것으로 나타났다. 비행정점에서 착지까지는 국내 우수선수가 1.59m로 국외 우수선수보다 0.33m 길게 착지하는 것으로 나타났다. 또한 허들을 넘는 동안 신체 무게중심의 수평속도는 도약에서 착지까지 국내 우수선수가 0.75m/s 감소하는 것으로 나타났으며, 도약비율과 착지비율은 53:47로 나타났다. 허들을 넘은 후 질주하는 가속구간은 국내 우수선수가 착지이지에서 신체 무게중심의 수평속도가 8.78m/s로 나타났으며, 국외 우수선수보다 0.54m/s 느린 것으로 나타났다.

• 한국운동역학회지
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• 제21권5호
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• pp.529-540
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• 2011

The purpose of this study was to evaluate the kinematic characteristics of $5^{th}$ and $6^{th}$ hurdle clearances during the final of the 110-m hurdles at the IAAF World Championships, Daegu 2011. To this end, the hurdling motions of the top 4 ranked male hurdlers in the competition were analyzed. A total of 12 cameras were used to record their motions, with a sampling frequency of 120 Hz. The cameras were calibrated using $11{\times}2{\times}1\;m$ control objects that covered all of the lanes (1st~8th lanes). After analyzing all the data, we arrived at the following results. In the take-off phase, all athletes revealed similar take-off times (CT), and similar distances from the take-off to hurdleto (L1) and hurdle to landing (L2). In particular, Turner, ranked $3^{rd}$, had an inconsistent L2 and may need further training to correct it. In the flight phase, Richardson, ranked $1^{st}$, showed the longest flight distance, whereas Xiang, who was ranked $2^{nd}$, showed the highest CG height from the hurdle. For the step patterns, to increase the pitch frequency, Richardson and Xiang used shorter 3-step lengths than Turner and Oliver.

• 한국운동역학회지
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• 제23권1호
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• pp.11-17
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• 2013

The purpose of this study was to provide a fundamental information for enhancing 110m hurdlers' performance through conducting comparative biomechanical analysis between Skilled Group(SG) and Less-Skilled Group(LSG) those who are not in the first section of 110m hurdles. To persue the purpose of this study, total of 10 hurdlers participated. Then they were divided into two groups; SG: five hurdlers who have won awards with 14-second range at 2010 national track and field event, and LSG: five hudlers who did not win any awards with 15-second range. Three-dimensional motion analysis with 12 infrared cameras(Oqus 300, Qualisys) and 1 force plate(Type 9286AA, Kistler) was performed. From this study following conclusions were obtained. 1) For the overall runtime, SG revealed faster elapsed time than that of LSG. 2) At E4, LSG showed greater trunk angle than that of SG. 3) At E3 LSG revealed higher angular velocities than that of SG. 4) No significant differences was found for AP GRF between groups but LSG showed greater VGRF than that of SG.

• 한국운동역학회지
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• 제19권4호
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• pp.761-770
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• 2009

이 연구는 엘리트 110m 허들선수의 세 번째 허들 넘는 동작에 관한 자세의 기술적 특징을 운동학적으로 비교분석하였다. 연구대상자는 국내에서 개최된 110m 허들의 제3회 국제육상경기대회에서 상위 입상한 전 세계기록 보유자인 국외선수 2명과 국내선수 1명으로 선정하였다. 허들을 넘는 동작인 허들링 동작의 자세에 대한 기술적 요인을 분석하기 위해 신체분절의 각도를 조사한 결과 다음과 같은 결론을 얻었다. 국외선수는 국내선수에 비해 도약과 착지 순간 신체중심각도가 전 세계기록 보유자인 국외선수는 평균 $34.14^{\circ}$, 국내선수는 $24.89^{\circ}$로 신체중심각도의 이동범위가 크게 나타났다. 상체전경각도는 도약과 착지 순간 전 세계기록 보유자인 국외선수가 $4.27^{\circ}$, 국내선수가 $6.37^{\circ}$로 전 세계기록 보유자인 국외선수 상체의 상하 움직임이 작은 것으로 나타났고, 상체좌우각도는 도약과 착지 순간전 세계기록 보유자인 국외선수가 $3.18^{\circ}$, 국내선수가 $11.58^{\circ}$로 전 세계기록 보유자인 국외선수 상체의 좌우 움직임이 작은 것으로 나타났다.

• 한국운동역학회지
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• 제28권2호
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• pp.79-85
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• 2018

Objective: This study aimed to create a strategic training method to enhance optimal athletic ability using information from 1H to 10H rhythmic units. Method: Top three world class athletes and three national winners of 110-m hurdle finals from the 2010 Daegu International Athletics Competition and 2017 National Athletics Championship, respectively, were selected. To analyze the kinematic variables, Dartfish 9.0 was used for two-dimensional analysis. Results: Regarding the interval time from the start to the finish line, the national athletes took less time during the pure acceleration phase (start to 1H) than the foreign athletes. The horizontal velocity increase was slower after 1H; the national athletes showed a lack of ability to accelerate at the interval phases. Moreover, the hurdle clearance time between phases was longer in the national athletes than in the foreign athletes and lacked consistency. Conclusion: The national athletes lacked the ability to accelerate at the transition, maximum rhythm, rhythm maintenance, and re-acceleration phases and showed a longer hurdle clearance time. If technical improvements and strategic training methods using rhythmic units are applied for hurdling motions, the national athlete's hurdling abilities, performance, and consistency could improve.

• 한국운동역학회지
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• 제14권1호
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• pp.83-98
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• 2004

The purpose of this study was to determine the kinematic variables of the hurdling for a korea record holder (A) and a national hurdle representative (B). after the kinematic variables such the distance and the distance and height of C.G, the velocity and the angle were analyzed about the hurdling. The results were summarized as follows; 1. In terms of the distance and the height of C.G, subject A showed long in horizontal distance from C.G to the take-off phase, but showed short in the landing phase. Subject B showed short in horizontal distance from C.G to the take-off phase, and showed long in the landing phase. 2. In terms of the velocity of C.G, Subject A showed fast C.G velocity in horizontal direction to the braking phase, Subject A and B showed slower C.G velority in the landing phase, but Subject A showed height C.G velocity in vertical direction to the to the take-off, the landing, and propulsion phase 3. In terms of the angle of C.G and lean of C.G to front at the braking and the take-off phase. Subject A kept the less angle in the maximum trunk lean to front at the flight phase as comparison with Subject B. 4. In terms of the velocity of the knee and the ankle joint. Subject A showed fast in the resultant velocity of the left ankle joint the take-off phase, but showed slow in the left knee joint. Subject B showed fast in the resultant velocity of the left knee joint the take-off phase, but showed slow in the right knee and the right ankle joint.