고등부 컬링 선수의 무릎관절 근력 균형에 관한 연구
The Study on Muscle Strength Balance Ratio of Knee Joint among Curling Athletes in High School
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이 연구는 고등부 남녀 컬링 선수의 무릎관절 등속성 근기능의 측정을 통하여 동측 및 양측근력비를 확인하여 컬링 경기력을 위한 무릎관절의 상태를 확인하고자 한다. 이러한 연구의 목적을 달성하고자 충남 지역 단일팀 고등부 컬링 선수 남자 10명과 여자 13명(연령 남 15.5±1.58세 & 여 15.8±1.17세)을 모집하였다. 연구대상자의 기본적인 신체조성 관련 자료는 신장 남자 176.0±3.82cm 및 여 159.3±7.32cm, 체중 남자 66.0±10.50kg 및 여자 48.5±7.49kg, 체질량지수 남자 21.2±2.94kg/m2 및 여자 19.0±2.47kg/m2, %체지방 남자 12.7±5.66% 및 여자 18.4±4.88% 등으로 조사되었다. 또한 체력 측정 관련 변인의 결과는 남자 피험자의 좌우측 악력은 각각 36.5±4.86kg 및 38.5±4.75kg 그리고 여자 피험자의 좌우측 악력은 각각 23.0±4.60kg 및 25.7±3.59kg 등으로 나타났다. 무릎관절의 등속성 근기능을 통하여 관찰된 좌우 무릎관절의 양측근력비는 10%를 넘긴 여자 굴근력의 11.5±20.85%를 제외하고 다른 모든 변인들은 10% 이내의 양측근력비를 보여주었다. 또한 굴근력과 신근력의 비율인 동측근력비는 최소 46.8±7.58%에서 최대 57.7±7.25%를 보여주었듯이 무릎관절을 기준으로 하는 움직임의 부상 개연성은 매우 낮은 것으로 결론지을 수 있었다. 그러므로 이 연구의 피험자는 표준화된 악력과 무릎관절의 근력균형을 보여주고 있기 때문에 트레이닝에 의한 컨디셔닝이 양호한 상태로 유지되고 있음을 확인할 수 있었으며, 주기적인 측정을 통하여 경기력에 부정적인 근력균형비의 확인은 스포츠과학의 현장적용으로서 매우 유용한 전략이라고 생각된다.
Abstract
This study aims to confirm the status of the knee joint for curling performance by confirming the ipsilateral and bilateral muscle strength ratio through the measurement of the isokinetic muscle function of the knee joint in male and female high school curling players. To achieve the purpose of this study, 10 male and 13 female high school curling players (age: 15.5±1.58 years old for males and 15.8±1.17 years old for females) from a single team in Chungnam Province were recruited. The basic body composition data of the subjects were investigated as follows: height (males: 176.0±3.82 cm) and female (females: 159.3±7.32 cm), weight (males: 66.0±10.50 kg) and females: 48.5±7.49 kg, body mass index (males: 21.2±2.94 kg/m2) and females: 19.0±2.47 kg/m2, and % body fat (males: 12.7±5.66%) and females: 18.4±4.88%. In addition, the results of variables related to physical fitness measurement showed that the grip strength of the left and right sides of male subjects were 36.5±4.86kg and 38.5±4.75kg, respectively, and the grip strength of the left and right sides of female subjects were 23.0±4.60kg and 25.7±3.59kg, respectively. The bilateral muscle strength ratio of the left and right knee joints observed through the isokinetic muscle function of the knee joint exceeded 10% for the female flexor strength of 11.5±20.85%, but all other variables showed bilateral muscle strength ratios within 10%. In addition, as the ipsilateral muscle strength ratio, which is the ratio of flexor strength to extension strength, showed a minimum of 46.8±7.58% and a maximum of 57.7±7.25%, it could be concluded that the possibility of injury from movements based on the knee joint is very low. Therefore, since the subjects of this study showed standardized grip strength and muscle balance of the knee joint, it was confirmed that conditioning through training was maintained in a good state. It is thought that confirming the muscle balance ratio that is negative for athletic performance through periodic measurement is a very useful strategy for field application of sports science.
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