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|標題:||Kinematics and Kinetics of Jumping Serve in Youth National and National Thai Female Volleyball Players of Thailand||作者:||Sirirat Hirunrat
|關鍵字:||Volleyball;Jump Serve;Kinematics;Kinetics||出版社:||Taichung, Taiwan :Graduate Institute of Sports & Health Management, National Chung Hsing University||Project:||International Journal of Sport and Exercise Science, Volume 7, Issue 1, Page(s) 13-16.||摘要:||
Jump serve, a powerful offensive action widely uses in elite volleyball players. It's related to the velocity of the ball after contact. The analysis was conducted on the performances of the jumping serves of fifteen female volleyball players; eight national and seven youth players. The objective of the study was to compare the kinematics and total mechanics of the energy differences between the jumping serve skills. Methods: The kinematics data were recorded by using Casio Ex-Fc 100 (1280×720 pixels) camera and analyzed by Skillspector V. 1.3. Kinematic and kinetic data included linear and angular acceleration of the upper and lower extremities, the center of gravity, the kinetic and potential energy during ball contact. The independent sample test was used to compare kinematic and kinetic data of jump serve. The results showed that the velocity of upper and lower extremities of youth was higher than the national team but was lower than the national in acceleration of upper extremity, and energy during ball contact of the youth was higher than the national team but no significant difference between youth and national teams. In conclusion, it showed no significant difference between youth and national teams in selected kinematic and kinetic variables between youth and national teams.
|Appears in Collections:||第07卷 第01期|
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