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The Comparative Analysis of Technique and Tactics of Federer in the Race of the Different Times

Author: SunHeHua
Tutor: SunWeiXing
School: Beijing Sport University
Course: Physical Education and Training
Keywords: Federer Different periods Tactics
CLC: G845
Type: Master's thesis
Year: 2011
Downloads: 227
Quote: 1
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Abstract


Federer during the 2003-2010 Grand Slam tournament, the 22 finals, won 16 titles. In 2004 to 2007 for four consecutive years in the ATP rankings occupy the throne. In 2008, due to an injury disease, the effects of age, his dominance in tennis appeared loose, but his tactics are still fully comprehensive, representative of today's most advanced tennis tennis technical and tactical philosophy. Current tactics of his research focuses on the research landscape on his tactics longitudinal study is relatively small, this article from horizontal, vertical on his technical and tactical research. This paper mainly through video observation statistics, mathematical statistics, comparative analysis method Federer at different times in the technical and tactical game analysis, the following conclusions: (1) Since 2004, Federer competitive state through three periods: peak period, the relatively low period, after bottoming out period. (2) On the whole, Federer tactics at different times of relatively stable, but his performance has suffered different degrees of volatility. This was mainly due to increase with age, his physical decline, making him the ability to fight in the game down. Meanwhile, against the opponent's strength is also more powerful, to the technical and tactical play Federer caused varying degrees of obstruction. (3) the peak period of technical and tactical characteristics: Federer hair angles, outer corner stability than hair to the middle, but in the second serve, he was on clay, hard hair to the middle of utilization was significantly higher than the grass; different technologies in utilization is relatively stable, with clay, grass utilization numerically the same, but success and failure rate of no rules to follow; placement of the ball back in the transverse spatial distribution of the stability of the lower vertical space, which is on clay placement of the ball backhand return the difference between the maximum. (4) a relatively low period of the technical and tactical characteristics: Federer hair angles, higher stability outside corners, and in the two hair when the hair on clay middle of the lowest usage; different technologies usage is relatively stable, which on clay loss rate is greater than the difference between the hard, grass difference; back placement of the ball in the horizontal and vertical spatial distribution is relatively stable, which on clay, forehand and backhand bit back to the difference between the placement of the ball larger value. (5) After bottoming out during the technical and tactical characteristics: Federer hair angles, exterior angle stability is high, but when the two made in hard, grass tee placement difference between different narrow; rebound period the use of different technologies and the peak, trough the use of the same period of stability. Meanwhile, on clay, Federer forehand backhand usage rate of its utilization. Back ball placement at different horizontal and vertical spatial distribution is relatively stable, the red on the back for the placement of the ball on the forehand and backhand difference narrowed.

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