Purposes: This study examines the used tennis drills for won or lost points during games of four male elite tennis players who attended 2010 U.S. Open tournament semi-final games. In order to understand current professional male elite tennis players the tennis drills they used and their play strategies developed. The results will provide some suggestions for designing tennis training programs。Methods: The recorded video films analyses and record sheets were used for study purposes. Data were analyzed the 2010 U.S. Open tournament male single semi-final games(Novak Djokovic vs. Roger Federer; Rafael Nadal vs. Mikhail Youzhny). The used tennis drills were classified into baseline stroke, return, pass, chop, drop, lob, approach, volley, smash, first serve, and second serve. The Chi-Square Test statistical methods were used for data analyses. Results: There were significant differences among four male elite tennis players for the lost points used drills, and there were significant differences (x^2=83.63, p <.05) among four male elite tennis players for the won points used drills which they performed during games (x^2=59.35, p<.05). The advantage won tennis drills they used individually as followed: For Federer were baseline strokes(27.9%) and first serves(25.2 %); For Djokovic baseline strokes won rate (49.4%) was higher than the other tennis players. Nadal also were baseline strokes(37.2%) and first serves(24.5%); The same, the baseline strokes also were the most won point drill for Youzhny. The return drill won point rate for Djokovic(59.3%) and approach drills won point rate for Federer (50%) were higher than the other tennis players individually. Conclusions: For current elite male tennis players, the baseline strokes and serve drills were their major won point tennis drills. Especially, the baseline drills were the most important key tennis skill for winning point than serves during games. During tennis training sessions, coaches and players need to emphasize the accuracy and variety of serve and baseline drill practices to enhance their tennis skill levels completely.
Purposes: This study examines the used tennis drills for won or lost points during games of four male elite tennis players who attended 2010 U.S. Open tournament semi-final games. In order to understand current professional male elite tennis players the tennis drills they used and their play strategies developed. The results will provide some suggestions for designing tennis training programs。Methods: The recorded video films analyses and record sheets were used for study purposes. Data were analyzed the 2010 U.S. Open tournament male single semi-final games(Novak Djokovic vs. Roger Federer; Rafael Nadal vs. Mikhail Youzhny). The used tennis drills were classified into baseline stroke, return, pass, chop, drop, lob, approach, volley, smash, first serve, and second serve. The Chi-Square Test statistical methods were used for data analyses. Results: There were significant differences among four male elite tennis players for the lost points used drills, and there were significant differences (x^2=83.63, p <.05) among four male elite tennis players for the won points used drills which they performed during games (x^2=59.35, p<.05). The advantage won tennis drills they used individually as followed: For Federer were baseline strokes(27.9%) and first serves(25.2 %); For Djokovic baseline strokes won rate (49.4%) was higher than the other tennis players. Nadal also were baseline strokes(37.2%) and first serves(24.5%); The same, the baseline strokes also were the most won point drill for Youzhny. The return drill won point rate for Djokovic(59.3%) and approach drills won point rate for Federer (50%) were higher than the other tennis players individually. Conclusions: For current elite male tennis players, the baseline strokes and serve drills were their major won point tennis drills. Especially, the baseline drills were the most important key tennis skill for winning point than serves during games. During tennis training sessions, coaches and players need to emphasize the accuracy and variety of serve and baseline drill practices to enhance their tennis skill levels completely.
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