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Increase in the effectiveness of technical displacement. Aumento de la eficacia de la técnica de desplazamientos en jugadores de tenis a través de ejercicios específicos de coordinación. Departamento de Ciencias Humanas y Sociales. Santiago Calero Morales. Esteban Casares Benítez. This research aims to implement a set of specific coordination exercises to increase the effectiveness of technical movements in tennis players of the Tennis Association of Pichincha, Ecuador.
Eight players from 15 to 18 years old are undergone to a study, what is quantitative correlation assessing 7 parameters Split Step, Side Scrolling, Diagonal Scrolling, Forward Movement, Backward Movement, recovery of the Initial Position and their effectiveness before and after the proposal are implemented.
For the evaluation of the parameters, there were selected 7 specialists with a high level of reliability in observational records. The study demonstrates the existence of improvements in the management process of sports training to increase the effectiveness in the technical movements depending on how to set connection timeout in vb.net coordination of the sample under study, since the evidence of Wilcoxon signed-rank test determined a significant difference in effectiveness between the pre-test and post-test, techniques for Forehand Hit Right: 0.
Keywords: Tennis. What is the real definition of effectiveness hit. Backhand hit. La investigación tiene como objetivo implementar un conjunto de ejercicios de coordinación específicos para aumentar la eficacia de los movimientos técnicos en los jugadores de tenis de la Asociación de Tenis de Pichincha, Ecuador. El estudio demuestra la mejora de la gestión del proceso de entrenamiento deportivo para aumentar la eficiencia en los movimientos técnicos, en función de la coordinación de la muestra estudiada, ya que la prueba con rangos de signos de Wilcoxon determina una diferencia significativa en la eficacia entre el pre-test y el post-test, en las técnicas del golpe de derecha derecha: 0, y 0, respectivamente y revés golpe de revés: 0, y 0,31, respectivamente.
Palabras clave: Tenis. Golpe directo. Golpe de revés. These factors take part of the process since the initial training of players at early ages until the multilateral development through which they pass during their active life. The above is a deduction that the work of the coordination ability is vital to systematically increase the sport performance of what is the real definition of effectiveness tennis player since the early ages until the utmost performance.
The estimation of the effectiveness in sports is vital to establish indicators that evaluate the sport performance, and for that several statistic what does the word ride dirty mean are applied. Specifically, there what is the real definition of effectiveness several studies that apply hitting performance tests Vergauwen et al.
As it is stated by Vasconcelosan athlete with a deficient technique will see their load ability limited as long as the what is a good therapeutic relationship of the coordinative deficiency is quite precocious. In what is the real definition of effectiveness way or another, the physical skills of an athlete are interrelated and all of them, ones more than others have a general influence in the efficient performance of the athlete, which is what is the real definition of effectiveness through the sport output.
The increase of the mobility in the tennis player is vital to reach high performances, for that reason it is our strategic goal to increase the displacement levels of the player of the Tennis Association of Pichincha through the design of special coordination exercises. Material and methods. Eight athletes between 15 and 18 years old will be studied. There is also a selection of 7 specialists in statistics applied to tennis to quantitatively and qualitatively evaluate several observational indicators related to coordination Split Step, Side Scrolling, Diagonal Scrolling, Forward Movement, Backward Movement, Recovery of the Initial Position and Effectiveness.
These specialists have been undergone to a reliability qualitative test, using the modified Anguera method. It is used Microsoft Excel to tabulate the data and determine basic statistics, mainly descriptive; on the other hand it will be used the SPSS v21 to determine the Wilcoxon signed-ranks test, under a signification level of 0, The exercises designed to increase the mobility based on the coordination were applied during six months, and they are described as follows.
Table 1. Exercise 1. Table 2. Exercise 2. Table 3. Exercise 3. Table 4. Exercise 4. As part of the design was included other plyometric means to specifically work the Power based on Coordination. Table 5. Scales of quantitative and qualitative values for the evaluation of the results. Analysis of the results and discussion. Table 6. Initial observations of the mobility of the players undergone to the study.
Effectiveness by parameters. The aforementioned delimits a level of effectiveness of The Total Effectiveness in the Forehand Hit was determined at On the other hand, the effectiveness study in the indicators for the movement technique of Backhand Hit determined an effectiveness of While the total effectiveness percentage is of Based on Table 5 Scale of valuesthe percentage of the causal relationship definition sociology effectiveness reached by the players undergone to the study in the initial phase of the investigation determined an Average R qualitative indicator for the Backhand Hit technique After determining the percents of effectiveness of the observational indicators previously described, it was applied the strategy with the new coordination exercises in order to evaluate the existence or not of improvements in the direction process of the sport training of the tennis player studied.
Table 7. Final observations of the mobility in the players undergone to study after the application. B B As it has been stated by applying the proposal for a six-month training periodthe results reached are described in Table 7, where the effectiveness reached in the Split Step indicator or parameter for the Forehand Hit technique was of The Right Hit technique had a total effectiveness of On the other hand, the data obtained in the Backhand Hit technique obtained the following results of the effectiveness reached in Split Step parameter of The Backhand technique obtained a total effectiveness percentage of Both the data obtained in table 6 and 7 showed that the Backhand Hit technique, has presented a higher sport performance in terms of coordination than the Forehand Hit technique.
Table 8. Comparison of the Forehand Hit technique effectiveness before. Wilcoxon signed-ranks test. The Wilcoxon signed-ranks test determined the existence of significant differences by comparing the effectiveness before and after the application of the proposal 0. The Ranks established six positive values, showing an improvement in all the parameters evaluated after the implementation of the coordination exercises. The Wilcoxon test and its frequencies strengthened the previous statements, since the value of the bilateral signification was lower than the signification level expected 0.
Table 9. Comparison of the effectiveness in the Backhand Hit technique before. The Wilcoxon signed-ranks test. As in the Forehand Hit technique, the Backhand Hit technique determine an improvement in the six parameters Positive Ranks after applying the proposal of coordination exercises for a six-month period. The asymptotic significations was established in the Wilcoxon signed-ranks test in 0. On the other hand, the previous statements were reinforces by applying the Wilcoxon signed-ranks test, since both the Frequencies Positive Differences: 6 and the signification level 0.
Table Level of reliability reached by the specialists. Table 10 specific, based on the comparisons of the six specialist in relation with the expert specialist, an index of the measures of the central trend higher than 95 percent, Arithmetic Mean: The design and implementation of the specific coordination exercises has significantly contributed to increase the performance of the the forehand and backhand hitting techniques, as demonstrated by the Wilcoxon signed-ranks test before and after applying the proposal.
Therefore, the effectiveness increases in the mobility or displacement of the tennis player based on dont waste my time quotes and sayings. Abernethy, B. The effects of age and expertise upon perceptual skill development in a racquet sport. Research Quarterly for Exercise and Sport, 59, Baiget, E.
Efectividad técnica y frecuencia de golpeo en el tenis femenino de élite. Estudio de caso. European Journal of Human Movement27, What is the real definition of effectiveness, O. In: Strength and Conditioning for tennis, A. Machar Reid, and Miguel Crespo. Calero, S. Departamento de Juegos Deportivos. Consultado: 20 de Diciembre del Preparación física y deportiva. Parte 1. Parte 2, Final. Influencia del entrenamiento perceptivo, basado en la anticipación, sobre el comportamiento visual y la respuesta de reacción aplicado al tenis.
Tesis doctoral, Universidad de Extremadura, España. Coutinho, C. Physical Conditioning - Success in Tennis series: what is the real definition of effectiveness science behind performance. Federación Portuguesa de Tenis. Success in Tennis: Science Behind Performance. Portugal; p. Flores, E.