Aim The aim of this study was to assess the effects that fatigue produces on balance and speed with changes of direction after a tennis match, analysing also potential surface related differences. Methods 24 tennis matches were played, 12 on clay courts (playing time 78±24 minutes) and 12 on hard courts (playing time 69±17 minutes). 12 nationally ranked tennis players (age 17±2 years, height 179±6 cm, weight 70±11 kg, years of competitive experience 9±2 and 5±2 training sessions each week) took part in the study; they were right-handed players and each participant played a match on each playing surface. A counterbalancing study design was used. Both bipodalic and monopodalic balance was assessed using a proprioceptive platform Libra® (Easytech, Florence, Italy), whereas speed was evaluated by photocells Microgate Witty® (Microgate Italy, Bolzano, Italy). The tests were administered before (T0) and after (T1) the match. Results The Wilcoxon test showed significant values (T0 vs T1) in speed tests performed on clay courts (C) starting from the right (CR) and then the left (CL) of the baseline: (CR: p<0,05, -6%, CL: p<0,05, -4%) and on hard courts (H) starting from the right (HR) and then the left (HL) of the baseline: (HR: p<0,001, -6%, HL: p<0,01, -6%). The monopodalic balance test performed with right foot after hard court matches showed a significant variation (p<0,05, +18%). Discussion/conclusion About 80 minutes of competitive tennis are enough to reduce speed both on clay courts and hard courts. Balance does not change significantly, except for the right foot monopodalic balance in right-handed players after they have played on hard courts. References 1. Fabre JB., Martin V., Gondin J., Cottin F., Grelot L. Effect of Playing Surface Properties on Neuromuscular Fatigue in Tennis. Med Sci Sports Exerc, 2012; 44(11): 2182-2189 2. Girard O., Millet GP. Neuromuscolar Fatigue in Racquet Sports. Neurol Clin, 2008; 26: 181–194 3. Murias J., Lanatta D., Arcuri CR., Laino A. Metabolic and Functional Responses playing tennis on different surfaces. J Strenght Cond Res. 2007; 21(1): 112-117.
EFFECTS OF HARD COURTS AND CLAY COURTS ON ATHLETIC PERFORMANCE UNDER CONDITIONS OF FATIGUE IN COMPETITIVE TENNIS: AN ACUTE STUDY
GOLLIN, MASSIMILIANO
2016-01-01
Abstract
Aim The aim of this study was to assess the effects that fatigue produces on balance and speed with changes of direction after a tennis match, analysing also potential surface related differences. Methods 24 tennis matches were played, 12 on clay courts (playing time 78±24 minutes) and 12 on hard courts (playing time 69±17 minutes). 12 nationally ranked tennis players (age 17±2 years, height 179±6 cm, weight 70±11 kg, years of competitive experience 9±2 and 5±2 training sessions each week) took part in the study; they were right-handed players and each participant played a match on each playing surface. A counterbalancing study design was used. Both bipodalic and monopodalic balance was assessed using a proprioceptive platform Libra® (Easytech, Florence, Italy), whereas speed was evaluated by photocells Microgate Witty® (Microgate Italy, Bolzano, Italy). The tests were administered before (T0) and after (T1) the match. Results The Wilcoxon test showed significant values (T0 vs T1) in speed tests performed on clay courts (C) starting from the right (CR) and then the left (CL) of the baseline: (CR: p<0,05, -6%, CL: p<0,05, -4%) and on hard courts (H) starting from the right (HR) and then the left (HL) of the baseline: (HR: p<0,001, -6%, HL: p<0,01, -6%). The monopodalic balance test performed with right foot after hard court matches showed a significant variation (p<0,05, +18%). Discussion/conclusion About 80 minutes of competitive tennis are enough to reduce speed both on clay courts and hard courts. Balance does not change significantly, except for the right foot monopodalic balance in right-handed players after they have played on hard courts. References 1. Fabre JB., Martin V., Gondin J., Cottin F., Grelot L. Effect of Playing Surface Properties on Neuromuscular Fatigue in Tennis. Med Sci Sports Exerc, 2012; 44(11): 2182-2189 2. Girard O., Millet GP. Neuromuscolar Fatigue in Racquet Sports. Neurol Clin, 2008; 26: 181–194 3. Murias J., Lanatta D., Arcuri CR., Laino A. Metabolic and Functional Responses playing tennis on different surfaces. J Strenght Cond Res. 2007; 21(1): 112-117.
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