棒球投手投球時軀幹旋轉與球速之相關

林俊龍; 黃長福

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社会科学 > 体育学

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棒球投手投球时躯干旋转与球速之相关

The Correlation between Trunk Rotation and Ball Speed in Baseball Pitching

林俊龍(Chun-Lung Lin) ；黄长福(Chen-Fu Huang)

华人运动生物力学期刊； 4 期 (2011 / 04 / 01) ， P10 - 17

繁体中文

棒球；投手；躯干； baseball ； pitcher ； trunk

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摘要 │ 参考文献 (10) │ 被引用文献 (2) │ 国际计量

摘要〈TOP〉

并列摘要〈TOP〉

Purpose: Previous researches related to pitching mechanics focused on enhancing ball speed; however, these researches put emphasis on the upper limbs, rarely on the trunk rotation. These researches of trunk rotation in baseball pitching only supported the relationship of trunk angle, trunk angular velocity and ball speed, without trunk angular acceleration. And the model used by previous researches contains pelvis and trunk, so the result can't gain a clear ideal of the relationship between trunk rotation and ball speed. The purpose of this study was to describe the kinematic characteristics of trunk with the model only contain trunk, and find the correlation between trunk angle, angular velocity, angular acceleration and ball speed to understand the relationship of trunk rotation and ball speed. Methods: Twelve college pitchers played in Chinese Taipei university baseball league division I participated in this study. Ten VICON CCD cameras (500Hz) with Nexus software were used to collected baseball pitching data. The subjects pitched five straight balls to the target; the three fastest ball speed trails were analyzed. The Visual3d software was used to compute ball speed, trunk angle, trunk angular velocity, and trunk angular acceleration. Pearson correlation was used to test the correlation between trunk parameters and ball speed. The significant level was α = .05. Results: The correlation between the peak value of trunk forward tile velocity and ball speed is.74. The correlation between the peak value of trunk forward rotation velocity and ball speed is .81. The correlation between the peak value of trunk forward tile acceleration and ball speed is .90. The correlation between the trunk backward angular acceleration at ball releasing and ball speed is .76. Between the other variables and ball speed, the correlations are not very high. Conclusions: This research found out that the peak value of trunk forward tile velocity, trunk forward rotation velocity, trunk forward tile angular acceleration, and the trunk backward angular acceleration at ball releasing are highly correlated with ball speed. So pitchers should strengthen their forward and axial rotation ability in the training session. For future study, the simulation and modeling of trunk rotation in baseball pitching is suggested in order to understand the relationship between trunk motion and ball speed.

参考文献 ( 10 ) 〈TOP〉

Aguinaldo, A. L.,Buttermore, J.,Chambers, H.(2007).Effects of upper trunk rotation on shoulder joint torque among baseball pitchers of various levels.Journal of Applied Biomechanics,23,42-51.
Dun, S.,Fleisig, G.. S.,Loftice, J.,Kingsley, D.,Andrews, R J.(2007).The relationship between age and pitching kinematics in professional baseball pitchers.Journal of Biomechanics,40,265-270.
Feltner, M. E.(1989).Three-dimensional interactions in a two segment kinetic chain. Part II: application to the throwing arm in baseball pitching.International Journal of Sports Biomechanics,5,420-430.
Fleisig, G.. S.,Barrentine, S. W.,Zheng, N.,Escamilla, R. F.,Andrews, R J.(1999).Kinematic and kinetic comparison of baseball pitching among various levels of development.Journal of Biomechanics,32,1371-1375.
Fleisig, G.. S.,Escamilla, R. F.,Andrews, R J.,Matsuo, T.,Satterwhite, Y.(1996).Kinematic and kinetic comparison between baseball pitching and football passing.Journal of Applied Biomechanics,12,207-224.

被引用文献 ( 2 ) 〈TOP〉

刘雅甄,刘强,杨雯雯,黄长福,陈韦翰,陈美分(2022)。Comparison of battle rope training using high-intensity interval and power-oriented protocols on softball-specific performance in adolescent female softball players。体育学报，55(3)，245-261。
(2024)。棒球选手投球过程肩髋旋转及分离程度与球速的相关性。华人运动生物力学期刊，21(2)，25-34。

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