scholarly journals Stroke performance in high-level Spanish wheelchair tennis players. [Rendimiento del golpeo en jugadores españoles de tenis en silla de ruedas de alto nivel].

2017 ◽  
Vol 13 (48) ◽  
pp. 139-148 ◽  
Author(s):  
Alejandro Sánchez-Pay ◽  
Gema Torres-Luque ◽  
David Sanz-Rivas
Keyword(s):  
Tennis Players ◽  
High Level

scholarly journals PO-257 Application of biochemical index monitoring in Chinese hearing-impaired table tennis team

2018 ◽  
Vol 1 (5) ◽  
Author(s):  
Yingqiu Zhang ◽  
Xingdong Zhou
Keyword(s):  
Blood Cell ◽  
Endurance Training ◽  
Physical Training ◽  
Nutritional Supplements ◽  
Hearing Impaired ◽  
Training Load ◽  
Table Tennis ◽  
Training Intensity ◽  
Tennis Players ◽  
High Level

  Objective Using the theory of sports biochemistry, we can better complete the formulation of the training plan, the evaluations of training effect and the athlete's fatigue status, the real-time monitoring of training intensity and training amount as well as the function level of athletes and the comprehensive evaluation of nutritional status. To provide some theoretical guidance for the daily training of Chinese hearing-impaired table tennis team and to gradually establish the biochemical monitoring model for the Chinese Deaf Table tennis team, this subject has applied biochemical index monitoring to this team. Methods 2.1 Research Object 8 Athletes (male 4 female 4) of the Chinese hearing-impaired table tennis team were studied. The average height, weight, and age were 174.3±5.1cm, 65.4±11.6kg, 23.5±4.9 years respectively.2.2 Research Methods 2.2.1 Literature To find out the energy-supplying and metabolic characteristics of table tennis as well as the modes to accelerate the recovery period of body fatigue, we have searched a variety of literature on this purpose. The investigation of athletes' nutrition regulation, physical training and rehabilitation and other related research results lays a good foundation for the implementation of the project. 2.2.2 Expert Interview This paper discusses the energy metabolism characteristics of the hearing-impaired table tennis players by discussing with the coaches, athletes and experts and scholars of the national Hearing Impairment project group. The evaluation index and standard of athlete's body function, the method of training load monitoring, the way of nutrition regulation, the means of fatigue recovery and the process of physical training were discussed. 3.2.3 Field Investigation From April, 20th, 2017 to July, 10th, 2017, two researchers have long been in the center of national table tennis training located at Zheng Ding, Hebei province, to complete training monitoring and research services. Results 3 Research Results Phlebotomizing 7 of the Chinese hearing-impaired table tennis players in June,2nd,2017 and June 7th, 2017 respectively, The blood samples were analyzed by the team of experts and researchers in the Sports Physiology and Biochemistry Laboratory in Beijing Sport University. Part of the results was shown below in table 1, table 2. (1) Training intensity monitoring Huang Mengping had a slightly higher creatine kinase, a slight decrease in testosterone, a slight rise in cortisol, a lower testosterone/cortisol value, as well as an insignificant reduction in body function than the previous time. She should focus on the recovery of her body condition after training. In general, the testosterone, cortisol and testosterone/cortisol level in this team is slightly higher than the last time, blood urea lower than the previous. Strengthening the monitoring of exercise and nutrition and continuing to maintain a high body synthesis ability are favorable to intense competition. The overall creatinine level decreased, whereas 4 members of the team had insignificantly high creatinine, especially for Huang Mengping who first had appeared high level of it. Although this condition was not too severe to focus on, we should strengthen the regulation of athlete muscle injury and protect their kidney functions. (2) Monitoring of endocrine system indicators Both males and females had higher testosterone synthesis capabilities. They should continue to take the nutritional supplements. The T/C ratio of Tian Jiping has escalated sharply, but it was lower than that of other players. We should pay attention to his training load and promote the recovery training. (3) Monitoring of Iron Metabolic Index Huang Mengping's hemoglobin value and RBC value have been slightly elevated this time. It is suggested that she should keep on to take nutritional supplements and strengthen aerobic endurance training. Hemoglobin for Wang Zhe and Lin Huan (slightly decreased this time) was higher than their counterparts. The ability to transport oxygen was excellent, and it is agreeable to keep on. They need to continue to maintain and promote the body's oxygen reserve capacity. At the same time, they can also upgrade their overall red blood cell levels. Men have seen a high level of hemoglobin and the number of red blood cells as well as robust capabilities of oxymoron reservation and transportation. It is recommended to enhance aerobic endurance training, mainly improving the aerobic capacity. The serum iron of Tian Jiping was promoted quickly. He needs to build up the amount of iron nutrient intake and support the body synthesis. The full iron metabolic indicators were normal, but Zhang Chaoyue and Lin Lin Huan have been seen the lack of the abilities to synthesis iron. So we need to pay attention to iron metabolism-related nutrition intake. In general, iron protein level and the capability to reserve iron have declined. It is recommended to take more iron nutrients, Especially for Shi Ce. (4) Food surveillance After the diet regulation, the indicators for the team's blood fat were within the normal range. Zhang Chaoyue and Wang Zhe should control the high-fat food intake, thus reducing the amount of low-density lipoprotein. (5) Surveillance of immune Indicators The white cell, blood cell classification and immunoglobulin (IgG, IgM, IgA) of the team are all normal, Wang Zhe’s immunoglobulin A and Xu You’s immunoglobulin M are slightly low, we should pay attention to protection. Conclusions  Through the overall monitoring and analysis of the biochemical indexes of the leading athletes of Chinese hearing-impaired table tennis team, The characteristics of biochemical indexes of the high-level hearing-impaired table tennis players are mastered. On the basis of the overall characteristics of the individual, we carried out personalized monitoring and evaluation to give coaches and athletes advice on training, rehabilitation and other aspects related to practice. Biochemical tracking in China's hearing-impaired table tennis team has achieved an excellent application results that have been unanimously recognized by the coaches and athletes.  

The level of somatic abilities and motor skills compared to sports level among 12-14-year-old female tennis players

2019 ◽  
Vol 29 (86) ◽  
pp. 19-30
Author(s):  
Angelika Skórka ◽  
Joanna Sakowicz-Kostecka ◽  
Jakub Spieszny
Keyword(s):  
Motor Skills ◽  
Young Female ◽  
Statistical Characteristics ◽  
Tennis Players ◽  
Training Stage ◽  
Motor Tests ◽  
Somatic Feature ◽  
High Level ◽  
Individual Profiles ◽  
Functional Profiles

Introduction. Tennis has been becoming increasingly popular year by year. However, it is a very difficult sport discipline in terms of technique, it requires a high level of fitness and coordination motor skills. In the first training stages, great importance needs to be given to movement coordination, which conditions the speed and efficiency of learning the technique. Aim. The main aim of the dissertation is assessment of individual profiles of somatic feature development, coordination skills and energy-based motor skills among female tennis players with various rankings in the Polish Tennis Federation and were no more than 14 years old. Material and methods. Research was conducted in February 2013 during the Polish indoor tennis championships of the youth division up to the age of 14. Twenty-six female players ranked first to twenty-sixth in the Polish Tennis Federation were the subject of the research. The research included anthropometric measurements, motor tests and computer tests of coordination skills. The collected datawas analyzed via basic statistical characteristics and normalized indicators. Results. The sports level of young female tennis players is considerably determined by the size of somatic features and the level of coordination skills. Morphological- functional profiles of individual cases unambiguously indicate that the elements determining sports level of the tennis players balance one another and are dynamic in nature. However, the problem of achieving balance of the variables in the “model of a champion” at this training stage requires further and more detailed research.

scholarly journals The Application of Statistical Parametric Mapping to Evaluate Differences in Topspin Backhand between Chinese and Polish Female Table Tennis Players

2021 ◽  
Vol 2021 ◽  
pp. 1-11
Author(s):  
Ziemowit Bańkosz ◽  
Sławomir Winiarski
Keyword(s):  
Female Athletes ◽  
Statistical Parametric Mapping ◽  
Movement Pattern ◽  
Measurement Unit ◽  
Table Tennis ◽  
Parametric Mapping ◽  
Tennis Players ◽  
National Team ◽  
Training Methodologies ◽  
High Level

The research is aimed at comparing the kinematics (the movement pattern in the most important joints and accelerations of the playing hand) between female table tennis players coached in Poland (POL) and China (CHIN) during the performance of a topspin backhand stroke (so-called quick topspin). The study involved six female table tennis players at a high sports skill level, playing in Poland’s highest league. Three were national team members of Poland (age: 20.3 ± 1.9 ), while the other three were players from China (age: 20.0 ± 0.0 ). Kinematics was measured using MR3 myoMuscle Master Edition system—inertial measurement unit (IMU) system. The participants performed one task of topspin backhand as a response to a topspin ball, repeated 15 times. Statistical parametric mapping (SPM) was calculated using SPM1D in a Python package that offered a high-level interface to SPM1D. The SPM method allowed for the determination of differences between the Chinese and Polish female athletes. The differences found are probably mainly due to differences in the training methodologies caused by different coaching systems. The observed differences include, among others, greater use of the so-called small steps in order to adapt and be ready during the back to ready position and backswing phases, which gives the CHIN players slightly better conditions for preparation for the next plays. The CHIN players’ position compared to that of the POL players favours a quicker transition from the backhand to the forehand play. This difference is probably related to the difference in the dominant playing styles of the groups studied. Despite the differences in movement patterns in both groups, the exact value of playing hand was achieved. This may be a manifestation of the phenomenon of equifinality and compensation. All the differences found are probably mainly due to differences in the training methodologies caused by different coaching systems.

scholarly journals No Relationship between Lean Mass and Functional Asymmetry in High-Level Female Tennis Players

2021 ◽  
Vol 18 (22) ◽  
pp. 11928
Author(s):  
Laurent Chapelle ◽  
Chris Bishop ◽  
Peter Clarys ◽  
Eva D’Hondt
Keyword(s):  
Lower Extremity ◽  
Lean Mass ◽  
Functional Asymmetry ◽  
P Value ◽  
K Value ◽  
Tennis Players ◽  
Value Range ◽  
Hop Test ◽  
High Level ◽  
The Relationship

The relationship between lean mass and functional asymmetry in terms of their magnitude and direction was examined in 22 high-level female tennis players (20.9 ± 3.6 years). Lean mass of both upper and lower extremities was examined using Dual X-ray Absorptiometry. Functional asymmetry was assessed using a battery of field tests (handgrip strength, seated shot-put throw, plate tapping, single leg countermovement jump, single leg forward hop test, 6 m single leg hop test, and 505 change of direction (time and deficit)). Paired sample t-tests compared the dominant (overall highest/best (performance) value) against the non-dominant value (highest/best (performance) value of the opposing extremity). Linear regressions were used to explore the relationship between lean mass and functional asymmetry magnitudes. Kappa coefficients were used to examine the consistency in direction between the extremity displaying the highest lean mass value and the extremity performing dominantly across tests. Significant asymmetry magnitudes (p < 0.05) were found for all upper and lower extremity lean mass and functional values. No relationship was apparent between lean mass and functional asymmetry magnitudes (p-value range = 0.131–0.889). Despite finding perfect consistency in asymmetry direction (k-value = 1.00) for the upper extremity, poor to fair consistency (k-value range = −0.00–0.21) was found for the lower extremity. In conclusion, lean mass and functional asymmetries should be examined independently.

scholarly journals Bilateral symmetry of radial pulse in high-level tennis players: implications for the validity of central aortic pulse wave analysis

2009 ◽  
Vol 27 (8) ◽  
pp. 1617-1623 ◽  
Author(s):  
Boris Gojanovic ◽  
Bernard Waeber ◽  
Gerald Gremion ◽  
Lucas Liaudet ◽  
François Feihl
Keyword(s):  
Pulse Wave ◽  
Bilateral Symmetry ◽  
Pulse Wave Analysis ◽  
Radial Pulse ◽  
Wave Analysis ◽  
Tennis Players ◽  
High Level

scholarly journals Explorando la carrera dual en tenistas: diferencias según género y nivel competitivo (Exploring dual career in tennis players: gender and competitive level differences)

2021 ◽  
Vol 16 (47) ◽  
Keyword(s):  
Ad Hoc ◽  
Dual Career ◽  
Prize Money ◽  
Gender Comparison ◽  
Tennis Players ◽  
School Year ◽  
Competition Level ◽  
Las Mujeres ◽  
High Level ◽  
Region Ii

Los objetivos del presente estudio fueron: i) describir la carrera dual de tenistas de la Comunidad de Madrid; ii) analizar si existen diferencias en dicha carrera en función del género, y iii) del nivel de competición. Se elaboró un cuestionario ad-hoc teniendo como referencia el cues-tionario de percepción de los estudiantes universitarios-deportistas de alto nivel sobre la carrera dual, ESTPORT (Sánchez-Pato et al., 2016). La muestra estuvo formada por 60 tenistas (21.5± 2.8 años) residentes en la Comunidad de Madrid. De ellos, 55% eran hombres y un 45% eran mujeres. Entrenaban una media de 3.9 ± 1.3 días y 17.2 ± 6.2 horas a la semana. Los resultados confirman que superan cada curso académico en dos años aproximadamente, una falta de planificación de su futuro fuera de la carrera deportiva y una elevada identificación con el rol de deportista. Ellas tienen menos aspiraciones en su carrera tenística, quizás por el hecho que el circuito profesional de tenis femenino sea más modesto económicamente. En esa misma línea, al finalizar su carrera tenística las mujeres piensan dedicarse a trabajar en lo que estudien en ma-yor medida que los hombres. Los jugadores de nivel internacional tienen un alto compromiso con su carrera deportiva. Sus mayores dificultades para su carrera dual no son en relación a la falta de flexibilidad horaria para desarrollar ambas carreras. Se plantean recomendaciones prácticas para los profesionales que trabajen con estos deportistas. === The aims of this study were: i) to describe the dual career in tennis players from the Madrid Region; ii) to analyze if there are differences regarding gender, and iii) competition level. An ad-hoc questionnaire was developed taking as reference the perception questionnaire of high-level university students-athletes about the dual career, ESTPORT (Sánchez-Pato et al., 2016). The sample was comprised by 60 tennis players (21.5 ± 2.8 years) residents in the Madrid Region. Fifty-five percent were men while forty-five percent were women. They trained an average of 3.9 ± 1.3 days and 17.2 ± 6.2 hours per week. Results confirm that each school year takes them about two years for passing it, a lack of planning a future out of the sport career and a high identification as athletes. Regarding gender comparison, women has less expectations on their sport career. This perception could be due the lower prize money in the women’s circuit. Women planned to work in relation to the studies the aim to finish. Regarding the competitive level, international level tennis players have a high commitment with the sport career. The main difficulties are not financial; they are the lack of flexibility at timetables to develop both careers. Practical insights for practitioners that work with tennis players are proposed.

scholarly journals Methods of physical training of tennis players for competitions

2021 ◽  
pp. 71-75
Author(s):  
Nadiia Kichenok
Keyword(s):  
Physical Training ◽  
Shoulder Girdle ◽  
Specific Level ◽  
Tennis Players ◽  
Formative Experiment ◽  
General Training ◽  
High Level ◽  
Training Exercises ◽  
Technical Readiness ◽  
Selection Of

The main feature of the period of participation in tournaments is the need to maintain a specific level of special ability. Therefore, the specifics of physical training has an applied-functional nature to high-level loads. Its purpose is to ensure maximum special training and maintain its level, as well as maintaining general training. Aim. Determining the features of physical training of young tennis players for competitions. Research methods: analysis of scientific and methodological sources; observation; measurement and accounting; instrumental techniques; statistical analysis. Results. In the process of ascertaining experiment, the current level of physical and technical readiness of young tennis players was determined a week before the start of participation in tournaments. In the process of formative experiment, the effectiveness of the developed set of physical training exercises was determined, which was used directly during the participation of young tennis players in tennis tournaments, which had a training (simulation) character and were held on the basis of the club and other clubs. Conclusions. The obtained data partially testify in favor of application of the developed methodical complexes for physical training of young players during competitions. Requires a more detailed study of the selection of test exercises to assess young tennis players during participation in competitions. The use of the developed complexes only partially affected the dynamics of the strength abilities of the legs and shoulder girdle. The temp of blows also did not change significantly, but the complexes did not contain specific exercises to improve it. Thus, the presented complexes are promising for use for physical training of tennis players during participation in competitions, but require more thorough testing efficiency.

scholarly journals Motives of labour migrations of foreign elite athletes to Polish table tennis clubs

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Michał Lenartowicz ◽  
Anna Ciok
Keyword(s):  
Economic Status ◽  
Table Tennis ◽  
Tennis Players ◽  
Professional Career ◽  
National Team ◽  
Financial Conditions ◽  
To Come ◽  
High Level ◽  
Work Abroad ◽  
Depth Interviews

Abstract The paper presents results of empirical study on elite foreign athletes working in Polish top table tennis clubs. It focuses on professional migration motives of elite table tennis players. In-depth interviews were carried out with 27 foreign table tennis players from 10 countries, who were playing for two top league clubs in Poland, and with 8 club coaches who were working with foreign players. Research was conducted during the 2014/2015 league season. The surveyed athletes came both from European countries of higher economic status than Poland and from outside Europe, from countries of lower economic status. A significant number of the surveyed players (11) arrived at Poland from China. The reasons why the surveyed players decided to come to Poland were varied and included both pull factors resulting from attractiveness of work abroad and factors pushing the players away from their home country sport system. Among the motives mentioned by the respondents, the major ones seem to be the desire to continue their professional career and to develop as players. Most of the respondents reported a few factors motivating them to come to Poland and play in the Polish table tennis league. Most often they gave several reasons altogether and it is not easy to classify them as exclusively one of the typo-logies of sport migrants presented in the literature. For some of the respondents, the decisive criterion was the high level of the Polish table tennis league, staying only slightly behind the French and German leagues. For others, good financial conditions offered by the Polish clubs and the possibility of improving living conditions were of key importance. Push factors were particularly important in the case of Asian players representing a very high level of sport skills, however slightly lower than the level of the Chinese national team.

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