A BIOMECHANICAL ANALYSIS OF THE RELATIONSHIP BETWEEN TENNIS SERVICE MOTION AND BALL SPIN

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  • Munenori Murata
  • Norihisa Fujii

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posture##common.commaListSeparator## swing direction##common.commaListSeparator## rotation axis

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The purpose of this study was to investigate the relationship between the service motion and the ball spin. Ten male university tennis players were participated in this study. Three-dimensional coordinates data of the players performing flat, kick and slice services were collected using an 10-camera Vicon MX system. In a similar way, the three-dimensional coordinates data of the reflective markers on the ball were collected. The ball spin is controlled by swing direction of the racquet without changing swing speed. When players put a spin on the ball, they changed swing direction rightward to avoid a head-on collision of the ball and racquet. Moreover, the swing direction was mainly controlled by not change of arm swing motion but change of upper body posture.

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2013-09-05

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Coaching and Sports Activities