CORRELATION BETWEEN THROWING MOTION AND MAXIMUM ELBOW VARUS TORQUE IN FEMALE PROFESSIONAL BASEBALL PITCHERS

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CORRELATION BETWEEN THROWING MOTION AND MAXIMUM ELBOW VARUS TORQUE IN FEMALE PROFESSIONAL BASEBALL PITCHERS

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Azuma, Yoshikazu / Morihara, Toru / Matsuil, Tomoyuki / Seo, Kazuya / Hiramoto, Machiko / Miyazaki, Tetsuya / Takemoto, Hlroki / Okuno, Takashi / Miki, Shigeki / Ashiwake, Saki / ... [more]

Abstract

The purpose of this study was to identify the correlation between throwing motion and maximum elbow varus torque (MEV) in female professional baseball pitchers. Twelve pitchers without pre-existing pain were recruited. Ball velocity and pitching motion were measured. Ball velocity and, kinematic and kinetic data from each joint during the pitch were extracted to evaluate the correlation with MEV. There was no correlation between the fastest ball velocity and MEV. Sixteen kinematic and kinetic parameters were found to have significant correlations with MEV. Particularly, as trunk rotation angle to the non-throwing direction before lead foot contact (FC) increased, the MEV decreased. Rotating the trunk in the non-throwing direction before FC and immediately in the throwing direction after FC could be a key component of the throwing motion.

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Title :

CORRELATION BETWEEN THROWING MOTION AND MAXIMUM ELBOW VARUS TORQUE IN FEMALE PROFESSIONAL BASEBALL PITCHERS

Contributors:

Azuma, Yoshikazu (author) / Morihara, Toru (author) / Matsuil, Tomoyuki (author) / Seo, Kazuya (author) / Hiramoto, Machiko (author) / Miyazaki, Tetsuya (author) / Takemoto, Hlroki (author) / Okuno, Takashi (author) / Miki, Shigeki (author) / Ashiwake, Saki (author)

Publication date :

2016-11-06

Remarks:

ISBS - Conference Proceedings Archive; 34 International Conference of Biomechanics in Sport (2016) ; 1999-4168

Type of media :

Article (Journal)

Type of material :

Electronic Resource

Language :

English

Keywords :

pitching; elbow pain; motion analysis; kinematics; kinetics; trunk rotation