지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Purpose The purpose of this study is to investigate the difference of body kinematics according to velocity of ball in high school baseball players. Methods Ten high school baseball players participated in this study. They chose the ball speed themselves and threw the ball 10 times. Kinematic factors measured using the wearable Micro Electro『Mechanical Systems sensor (MVN, Xsens technologies B.V., Enschede, the Netherlands) include the range of motion of the shoulder, torso rotation angular velocity and stride length. One hundred pitching data were divided into fifty high velocity pitching (The average of velocity of ball is 113.52 km/h.) and fifty low velocity pitching (The average of velocity of ball is 94.82 km/h.). Kinematic factors of both pitching were analyzed by paired t『test. Significance level of all statistics were set as p <.05. Results As shown in the results of measuring the range of motion of shoulder (external rotation and abduction), there were significant difference between the high velocity pitching and the low velocity pitching. Likewise, the results of torso rotation angular velocity showed a significant difference between the two pitching data and the stride length also showed a significant difference between the high and low pitching data. Conclusion In conclusion, range of motion of shoulder, torso rotation angular velocity and stride length are related to the velocity of the ball in baseball and should be considered for the ability of the pitcher.
목차
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참고문헌 (15)
참고문헌 신청
조정희 / 2006 / 프로 야구 투수의 볼 스피드와 견관절, 요추부, 슬관절 등속성 근력, 파워의 상관관계 / 대한스포츠의학회지 24(2):158~163
Werner SL / 2008 / Relationships between ball velocity and throwing mechanics in collegiate baseball pitchers / J Shoulder Elbow Surg 17(6):905~908
Werner SL / 2010 / Throwing arm dominance in collegiate baseball pitching / Am J Sports Med 38(8):1606~1610
Dun S / 2007 / The relationship between age and baseball pitching kinematics in professional baseball pitchers / J Biomech 40(2):265~270
Matsuo T / 2001 / Comparison of kinematic and temporal parameters between different pitch velocity groups / J Appl Biomech 17(1):1~13
Werner SL / 2008 / Relationships between ball velocity and throwing mechanics in collegiate baseball pitchers / J Shoulder Elbow Surg 17(6):905~908
Werner SL / 2010 / Throwing arm dominance in collegiate baseball pitching / Am J Sports Med 38(8):1606~1610
Dun S / 2007 / The relationship between age and baseball pitching kinematics in professional baseball pitchers / J Biomech 40(2):265~270
Matsuo T / 2001 / Comparison of kinematic and temporal parameters between different pitch velocity groups / J Appl Biomech 17(1):1~13
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