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Effect of Golf Shoe Design on Kinematic Variables During Driver Swing

골프화의 구조적 특성 및 내부형태에 따른 스윙의 운동학적 변인에 미치는 영향

  • Published : 2009.03.30

Abstract

The purpose of this study was to investigate effect of golf shoe design on kinematic variables during golf swing. Five professional male golfers with shoe size 270mm were recruited for the study. Swing motion was collected using 8 high speed camera motion analysis at a sampling of 180Hz. Kinematic variables were calculated by EVaRT 4.2 software. Driver swing was divided into four events; El(adress), E2(top), E3(impact) and E4(finish). Time, peak velocity, velocity of center of mass, velocity of the foot and ankle angle during Phase 1(El-E2), Phase 2(E2-E3), and Phase 3(E3-E4) were analyzed in order to investigate the relationship between golf shoe design and swing performance. The findings indicated that type C golf shoes would be beneficial for stability and control of movement during address and swing performance. Furthermore, faster speed of golf shoes, center of mass, and both feet were observed with Type C golf shoes. It is expected that golfers with Type C golf Shoes provide greater force as they control the center of mass faster and increase rotational force during impact compared to other golf shoes.

본 연구의 목적은 골프화 개발에 있어 골프화 종류에 따른 기능성 검증을 위해 골프 스윙 시 골프화 종류별 3차원 동작분석을 통하여 골프화가 골프 스윙에 미치는 영향을 알아보고자 한다. 연구대상은 골프 프로 자격증을 소지한 경력 10년 이상인 프로골퍼 5명으로 착용 골프화 사이즈가 270mm이었다. 스윙 동작 분석을 위해 Motion Analysis사(Santa Rosa CL USA)의 3차원 동작분석 시스템 및 EVaRT 4.2 소프트웨어를 사용하여 변인 값들을 분석하였다. 드라이버 스윙동작 중 어드레스(El), 탑(E2), 임팩트(E3), 피니쉬(E4)시의 각 이벤트 간의 구간(P1, P2, P3) 변인 값을 분석하여 스윙 구간별 시간, 최대속도, 신체이동 속도, 양발 분절의 속도, 발목의 뒤틀림 각도에 대한 조사를 실시하여 골프화의 종류와 수행능력의 연관성에 대하여 알아보았다. 실험결과 골프화 Type C의 경우 어드레스에서 탑까지의 시간이 가장 짧게 나타나 어드레스 시 안정성을 향상시켜 줄 것으로 사료된다. 또한 좌우 골프화의 최대 속도 신체중심 이동 최대 속도 좌우 발의 최대 속도의 경우도 골프화 Type C의 속도가 가장 빠르게 나타났으며 신체의 중심을 빠르게 하고 발의 회전력을 증가시켜 임팩트 시 다른 골프화보다 큰 힘을 전달할 수 있을 것으로 사료된다.

Keywords

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