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Crespo M, Martínez-Gallego R, Filipcic A. Determining the tactical and technical level of competitive tennis players using a competency model: a systematic review. Front Sports Act Living 2024; 6:1406846. [PMID: 39086853 PMCID: PMC11288823 DOI: 10.3389/fspor.2024.1406846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 07/01/2024] [Indexed: 08/02/2024] Open
Abstract
Introduction The aim of this systematic review is to provide an evidence-based synthesis of the literature on the topic of technical and tactical competencies of tennis players and to answer the following research questions: (1) What is the state of the art of research on technical and tactical competencies (i.e., skills and knowledge) and tennis; (2) What are the most important topics related to technical and tactical competencies in tennis players. Methods Electronic searches were conducted in Web of Science, PubMED and SPORTDiscus (August to September 2023). This systematic review was conducted in accordance with PRISMA guidelines. To reduce risk, all published literature was searched and primary studies were included. The search terms included skills or competencies, match or play, player and tennis and excluded studies on non-competitive tennis players-notation analysis, AI method, systematic review and validation of tools. Results and discussion Of the 390 publications found in these searches, 13 articles were considered relevant and included in this study. They were divided into three categories: (1) technical-tactical skills, (2) match situations and (3) match performance. There was clear evidence that there is a test instrument for analyzing tactical-technical skills that has sufficient reliability and validity and is of practical value to tennis coaches. The development of tactical-technical skills is influenced by method (variability between/within skills), conditions (court size, ball type) and areas of development (situational awareness, anticipation, decision making). There are differences in match and stroke performance between different quality groups (professionals, juniors), which can also be influenced by mental strength. For a comprehensive study of tennis players' abilities, the use of modern technologies is possible and necessary in the future. Future research should focus on the creation of competency models for the playing level of tennis players, which could include at least three key elements: (1) key competencies, (2) description of standards, (3) evidence.
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Affiliation(s)
- Miguel Crespo
- Development Department, International Tennis Federation, London, United Kingdom
| | | | - Ales Filipcic
- Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia
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Morais JE, Kilit B, Arslan E, Soylu Y, Neiva HP. Effects of a 6-week on-court training program on the International Tennis Number (ITN) and a range of physical fitness characteristics in young tennis players. Front Sports Act Living 2024; 6:1304073. [PMID: 38873230 PMCID: PMC11169729 DOI: 10.3389/fspor.2024.1304073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 05/16/2024] [Indexed: 06/15/2024] Open
Abstract
The study aimed to (i) verify the effects of an on-court training program on the International Tennis Number (ITN) of young tennis players, as well as on a set of change of direction, linear sprint, and maximal oxygen uptake (VO2max) variables, and (ii) identify the main predictors of ITN. The sample consisted of 20 young male tennis players (mean age, 13.62 ± 0.23 years). Players underwent a 6-week on-court training program. The ITN and a number of change of direction variables (T-drill and repeated sprint ability), linear sprint (5 m, 10 m, and 20 m distances), and VO2max were measured. All variables improved significantly between the pre- and posttest (p < 0.001). The ITN (7.98 ± 6.06%, d = 0.82) and VO2max (6.77 ± 1.21%, d = 1.53) showed the greatest relative improvement with moderate to large effect sizes. The hierarchical linear model retained the time (estimate = 18.90, p < 0.001) and the T-drill (estimate = -64.77, p < 0.001) as significant predictors of the ITN. This indicates that the ITN improved significantly over the 6-week training program and that the T-drill test was the best and most significant predictor. Coaches and researchers are encouraged to monitor the ITN along with other physical fitness and technical variables. They can also use the T-drill test to understand the ITN of their players.
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Affiliation(s)
- Jorge E. Morais
- Department of Sports Sciences, Instituto Politécnico de Bragança, Bragança, Portugal
- Research Centre for Active Living and Wellbeing (LiveWell), Instituto Politécnico de Bragança, Bragança, Portugal
| | - Bulent Kilit
- Faculty of Sports Sciences, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Ersan Arslan
- Faculty of Sports Sciences, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Yusuf Soylu
- Faculty of Sports Sciences, Tokat Gaziosmanpasa University, Tokat, Turkey
| | - Henrique P. Neiva
- Department of Sports Sciences, University of Beira Interior, Covilhã, Portugal
- Research Center in Sports, Health and Human Development (CIDESD), Covilhã, Portugal
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Giustino V, Bonaventura RE, Messina G, Patti A, Pillitteri G, Pajaujiene S, Paoli A, Palma A, Bianco A, Oliveri M, Battaglia G. Acute effects of prismatic adaptation on penalty kick accuracy and postural control in young soccer players: A pilot study. Heliyon 2024; 10:e30515. [PMID: 38742074 PMCID: PMC11089356 DOI: 10.1016/j.heliyon.2024.e30515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 04/24/2024] [Accepted: 04/29/2024] [Indexed: 05/16/2024] Open
Abstract
Background Prismatic adaptation (PA) is a visuomotor technique using prismatic glasses that are capable of moving the visual field and to affect the excitability of certain brain areas. The aim of this pilot study was to explore potential acute effects of PA on penalty kick accuracy and postural control in youth soccer players. Methods In this randomized crossover study, seven young male soccer players performed three PA sessions (rightward PA, r-PA; leftward PA, l-PA; sham PA, s-PA) with a washout period of 1-week between them. Immediately before and after each PA session, penalty kick accuracy and postural control were assessed. Results We detected an increase in penalty kick accuracy following PA, regardless of the deviation side of the prismatic glasses (F1,5 = 52.15; p = 0.08; ηp2 = 0.981). In detail, our results showed an increase in the penalty kick accuracy toward the right target of the football goal following r-PA and toward the left target of the football goal following l-PA. We detected a significant effect on the sway path length (F2,12 = 10.42; p = 0.002; ηp2 = 0.635) and the sway average speed (F2,12 = 9.17; p = 0.004; ηp2 = 0.605) parameters in the stabilometric test with open eyes following PA, regardless of the deviation side of the prismatic glasses. In detail, our results showed a significant difference in both the stabilometric parameters (p = 0.016 and p = 0.009, respectively) only following l-PA. Conclusion The findings of this pilot study indicate that PA could positively affect penalty kick accuracy and postural control suggesting that PA could be used as a visual training technique in athletes.
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Affiliation(s)
- Valerio Giustino
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Palermo, Italy
| | | | - Giuseppe Messina
- Department of Human Sciences and Promotion of the Quality of Life, San Raffaele University, Rome, Italy
- PLab Research Institute, Palermo, Italy
| | - Antonino Patti
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Palermo, Italy
| | - Guglielmo Pillitteri
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Palermo, Italy
| | - Simona Pajaujiene
- Department of Coaching Science, Lithuanian Sports University, Kaunas, Lithuania
| | - Antonio Paoli
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Antonio Palma
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Palermo, Italy
- Regional Sports School of Italian National Olympic Committee (CONI) Sicilia, Palermo, Italy
| | - Antonino Bianco
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Palermo, Italy
| | - Massimiliano Oliveri
- Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, Palermo, Italy
| | - Giuseppe Battaglia
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Palermo, Italy
- Regional Sports School of Italian National Olympic Committee (CONI) Sicilia, Palermo, Italy
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Diler H, Şahan A, Erman KA. Tool to assess the groundstroke technique of preadolescent tennis players. Front Sports Act Living 2024; 6:1341138. [PMID: 38645723 PMCID: PMC11026554 DOI: 10.3389/fspor.2024.1341138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 03/20/2024] [Indexed: 04/23/2024] Open
Abstract
Objective In this study, we develop a tool that can be used by tennis coaches to evaluate the groundstroke (forehand and backhand) technique of preadolescent tennis players. Methods The participants of the study were 60 children (30 males and 30 females) aged 10-12 years, with at least two years of training in tennis. The Groundstroke Correction Checklist (GCC) was translated into Turkish by using a blind procedure. The Turkish translation was then evaluated by 15 coaches of the Turkish Tennis Federation who had at least a level-3 coaching license and more than five years of coaching experience. The technical components related to technique in the checklist were labeled as unimportant, important, and very important. Following this, the GCC was converted into a Groundstroke Technique Assessment Test Tool (GTATT) by a selection committee consisting of three experts, and its reliability and validity were assessed by using it in the field. Spearman's correlation was used to analyze the correlation (test-r test) between the technical evaluation scores assigned to the players by the tennis coaches based on the GTATT in the first and second weeks. Intra- and inter-rater reliability was used to analyze the overall scores of technical evaluations in the first and second weeks to assess the reliability of the scale used. We determined each player's number of years of playing experience (TPY), technical evaluation (TE), international tennis-level test score (ITN), I-cord classification order (ICCO), and the number of games won (GW) in a tournament organized among themselves and evaluated the correlations among these parameters by using Spearman's correlation analysis. Conclusion A statistically high and significant correlation was observed between the technical evaluations of the players' forehand and backhand groundstrokes by the tennis coaches by using the GTATT in the first and second weeks (r > .90, p < .01). The analysis of the intra- and inter-rater reliability of the GTATT yielded excellent agreement between the technical observations of the three coaches of the players' forehand and backhand strokes in the first and second weeks.
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Affiliation(s)
- Hakan Diler
- Institute of Medical Science, Akdeniz University, Antalya, Turkey
| | - Asuman Şahan
- Faculty of Sport Sciences, Akdeniz University, Antalya, Turkey
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Bilić Z, Martić P, Barbaros P, Sinković F, Novak D. Neuromuscular Fitness Is Associated with Serve Speed in Young Female Tennis Players. Sports (Basel) 2024; 12:97. [PMID: 38668565 PMCID: PMC11054964 DOI: 10.3390/sports12040097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/25/2024] [Accepted: 03/25/2024] [Indexed: 04/29/2024] Open
Abstract
In tennis, the serve plays a key role in determining the success of a player. The speed of a serve is influenced by a multitude of interconnected skills and abilities. The objective of this study was to establish the correlation between the explosive strength of the throwing type, the grip strength and flexibility of the arms, and the shoulder girdle with the serve speed in young female tennis players. Additionally, the study aimed to develop a regression model that accurately predicts the serve speed by analyzing the interplay among these variables. The study was carried out on a group of 20 tennis players, who had an average age of 13.10 ± 0.74 years. Additionally, their height was recorded as 165.70 ± 4.90 cm, and their body mass was measured at 51.45 ± 5.84 kg. To assess the motor abilities of the upper extremities, four tests were used that aimed to measure the explosive strength of the throwing type; one test was for the strength of the hand and forearm muscles, and one test was for the flexibility of the arms and shoulder girdle. Of all the variables examined, the medicine ball throw shot put (MBTSP) (r = 0.75), overhead medicine ball throw (OMBT) (r = 0.70), and grip strength (GS) (r = 0.71) displayed a notable correlation with serve speed (p < 0.05). The results obtained from the multiple regression analysis indicate that the combination of selected predictors (MBTSP-medicine ball throw shot put, OMBT-overhead medicine ball throw and GS-grip strength) explained 75% of the variability in serve speed. Significantly, MBTSP surfaced as the predominant predictor, autonomously elucidating 51% of the variability in serve speed. The importance of improving the analyzed motor skills of young female tennis players to enhance their serve in terms of speed is emphasized by the findings of this research.
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Affiliation(s)
| | | | | | | | - Dario Novak
- Faculty of Kinesiology, University of Zagreb, 10000 Zagreb, Croatia; (Z.B.); (P.M.); (P.B.); (F.S.)
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Sun H, Soh KG, Mohammadi A, Toumi Z, Zhang L, Ding C, Gao X, Tian J. Counteracting mental fatigue for athletes: a systematic review of the interventions. BMC Psychol 2024; 12:67. [PMID: 38336843 PMCID: PMC10854164 DOI: 10.1186/s40359-023-01476-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 11/30/2023] [Indexed: 02/12/2024] Open
Abstract
The deleterious effects of mental fatigue (MF) on athletes have been carefully studied in various sports, such as soccer, badminton, and swimming. Even though many researchers have sought ways to ameliorate the negative impact of MF, there is still a lack of studies that review the interventions used to counteract MF among athletes. This review aims to report the current evidence exploring the effects of interventions on MF and sport-specific performance, including sport-specific motor performance and perceptual-cognitive skills. Web of Science, Scopus, PubMed, and SPORTDicus (EBSCOhost) were combed through to find relevant publications. Additionally, the references and Google Scholar were searched for any grey literature. For the current review, we included only randomized controlled trials that involved athletes, a primary task to induce MF, interventions to counter MF with comparable protocols, and the outcomes of sport-specific motor performance and perceptual-cognitive skill. The selection criteria resulted in the inclusion of 10 articles. The manipulations of autonomous self-control exertion, person-fit, nature exposure, mindfulness, and transactional direct current stimulation showed that positive interventions counteract MF and improve sport-specific performance in different domains, including strength, speed, skill, stamina, and perceptual-cognitive skills. The selected interventions could significantly counteract MF and improve subsequent sport-specific performance. Moreover, self-regulation and attention resources showed the importance of the potential mechanisms behind the relevant interventions.
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Affiliation(s)
- He Sun
- School of Physical Education, Henan University, Kaifeng, China
| | - Kim Geok Soh
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Alireza Mohammadi
- Faculty of Business Management, City University Malaysia, Selangor, Malaysia
| | - Zakaria Toumi
- School of Psychology, Northeast Normal University, Changchun, China
| | - Lingling Zhang
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- The National Football Academy, Shandong Sport University, Jinan, China
| | - Cong Ding
- Department of Sport Studies, Faculty of Education Studies, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Xiaojuan Gao
- School of Physical Education, Henan University, Kaifeng, China
| | - Jian Tian
- School of Physical Education, Henan University, Kaifeng, China.
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Sgrò F, Quinto A, Lipoma M, Stodden D. A Multidimensional Approach to Talent Identification in Youth Volleyball through Declarative Tactical Knowledge and Functional Fitness. J Funct Morphol Kinesiol 2024; 9:29. [PMID: 38390929 PMCID: PMC10885107 DOI: 10.3390/jfmk9010029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/30/2024] [Accepted: 02/03/2024] [Indexed: 02/24/2024] Open
Abstract
This study aimed to assess which multidimensional performance indexes were the best predictors of talent identification in volleyball. Fifty-five female players (age: 13.8 ± 1.81 years; mass: 55.12 ± 8.12 kg; height: 158.23 ± 7.62 cm) were clustered into two groups according to some physical characteristics (i.e., the first group included players with more favorable performance predictors). Musculoskeletal Fitness (MSF), Functional Motor Competence (FMC), and Declarative Tactical Knowledge (DTK) were measured as multidimensional indexes of performance. Moderate-to-large differences between groups were found for each index in favor of the first group. Regression analyses were performed to examine the variance explained by MSF, FMC, and DTK in the two groups. A model with FMC components explained slightly more variance in the group predictor variables (R2 = 0.53) than a model using only MSF components (R2 = 0.45). Among FMC components, the score of the Throw-and-Catch test resulted in the best predictor (Odds Ratio = 1.58) for determining group selection, followed by the score of the Supine-to-Stand-and-Go test (Odds Ratio = 0.02). An additional model composed by MSF and FMC significant predictors (i.e., functional fitness index) and DTK explained 63% of the variance (R2 = 0.63), and these were significant predictors of group membership (Odds Ratio = 6.32 and Odds Ratio = 1.51, respectively). A more comprehensive multidimensional analysis of youth performances is warranted to identify and monitor the best players in a youth volleyball context.
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Affiliation(s)
- Francesco Sgrò
- KG4SPA-Kore Research Group for Sport and Physical Fitness Assessment, 94100 Enna, Italy
- Department of Human and Society Sciences, University of Enna "Kore", 94100 Enna, Italy
| | - Antonella Quinto
- KG4SPA-Kore Research Group for Sport and Physical Fitness Assessment, 94100 Enna, Italy
- Department of Human and Society Sciences, University of Enna "Kore", 94100 Enna, Italy
| | - Mario Lipoma
- KG4SPA-Kore Research Group for Sport and Physical Fitness Assessment, 94100 Enna, Italy
- Department of Human and Society Sciences, University of Enna "Kore", 94100 Enna, Italy
| | - David Stodden
- Department of Educational and Developmental Science, University of South Carolina, Columbia, SC 29208, USA
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Nijenhuis SB, Koopmann T, Mulder J, Elferink-Gemser MT, Faber IR. Multidimensional and Longitudinal Approaches in Talent Identification and Development in Racket Sports: A Systematic Review. SPORTS MEDICINE - OPEN 2024; 10:4. [PMID: 38185790 PMCID: PMC10772031 DOI: 10.1186/s40798-023-00669-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 12/18/2023] [Indexed: 01/09/2024]
Abstract
BACKGROUND Better methods to support talent identification and development processes may contribute to more effective and efficient athlete development programs in racket sports. Both researchers and practitioners recommend multidimensional and longitudinal approaches to better understand the nature of talent (development). However, the added value of these 'innovative' approaches has not yet been clarified for racket sports. This systematic review intends to gain further insight into the outcomes of multidimensional and longitudinal approaches for talent identification and development in racket sports and to provide directions for future talent research. METHODS Electronic searches were conducted in PubMed, Scopus, SPORTDiscus, and Web of Science (January 2000-August 2022). Search terms covered the areas of racket sports and talent in sports. Studies using multidimensional and/or longitudinal talent approaches were included and analyzed regarding the methodology, included performance characteristics (i.e., anthropometrical, physiological, technical, tactical, psychological), and study findings. RESULTS A total of thirty-two studies were included using multidimensional (n = 15), unidimensional longitudinal (n = 3) or multidimensional longitudinal designs (n = 14). Most research covered physiological characteristics (n = 28), while fewer articles investigated anthropometrics (n = 21) and technical characteristics (n = 16). Only limited research investigated psychological (n = 4) and tactical characteristics (n = 1). Almost all studies measured physiological characteristics in combination with other characteristics. There was moderate to strong evidence that physiological and technical characteristics have value for athlete development programs in racket sports. Positive but limited evidence was found for psychological and tactical characteristics. Anthropometrical assessments were generally used as controlling variables for maturation. Study designs varied, and many studies used unidimensional statistical models and analyses within multidimensional study designs and datasets. CONCLUSIONS This review provides an overview of talent research using multidimensional and/or longitudinal approaches within racket sports and gives guidance on what characteristics to include in decision-making and monitoring processes. However, it remains difficult to draw conclusions about the added values of these approaches due to their variety in methodology. Future talent research should include more consistent study designs and conduct multidimensional and longitudinal studies using multivariate statistical approaches that benefit from the data's multidimensionality.
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Affiliation(s)
- Sebastiaan B Nijenhuis
- Department of Human Movement Sciences, University of Groningen, Groningen, The Netherlands
| | - Till Koopmann
- Institute of Sport Science, Carl Von Ossietzky University Oldenburg, Ammerländer Heerstraße 114-118, 26129, Oldenburg, Germany
| | - Jesper Mulder
- Department of Human Movement Sciences, University of Groningen, Groningen, The Netherlands
- Department of Public Health and Primary Care, Leiden University Medical Center/Health, Campus The Hague, Leiden, The Netherlands
| | | | - Irene R Faber
- Institute of Sport Science, Carl Von Ossietzky University Oldenburg, Ammerländer Heerstraße 114-118, 26129, Oldenburg, Germany.
- Research Centre Human Movement and Education, Windesheim University of Applied Sciences, Zwolle, The Netherlands.
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Cormier DL, Ferguson LJ, Gyurcsik NC, Briere JL, Mosewich AD, Kowalski KC. A quantitative assessment of the predictive utility of grit in sport. PSYCHOLOGY OF SPORT AND EXERCISE 2024; 70:102540. [PMID: 37775064 DOI: 10.1016/j.psychsport.2023.102540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 09/13/2023] [Accepted: 09/21/2023] [Indexed: 10/01/2023]
Abstract
In high-performance sport, an athlete's ability to overcome setbacks and sustain their pursuit of long-term goals is essential for success. Grit (i.e., passion and perseverance over long-terms) has been linked to success in a variety of domains but is often critiqued for its limited predictive utility when compared to other psychological variables including self-control, conscientiousness, and mental toughness. The purpose of this study was to examine whether grit predicted important athlete outcomes (i.e., various measures of sport performance and athlete well-being) beyond other determinants of success. Data from 214 collegiate student-athletes (111 women, 103 men; Mage = 21.02, SD = 2.26) from Western Canadian universities were analysed. When predicting performance, the addition of the grit subscales (i.e., consistency of interests, perseverance of effort, adaptability to situations) explained an additional 11% of variance (R2 = 0.37, F[7, 203] = 7.16, p < .001) beyond self-control, conscientiousness, and mental toughness in subjective sport performance perceptions; however, grit did not add unique variance when entered into models predicting athlete goal achievement perceptions or highest level of competition. When predicting well-being, addition of the grit subscales added 18% of unique variance (R2 = 0.43, F[7, 203] = 21.43, p < .001) beyond other determinants of success in eudaimonic well-being, and 5% (R2 = 0.17, F[7, 203] = 6.95, p < .001) in satisfaction with sport, but did not add any unique variance to the model predicting mood. The partial support of the predictive utility of grit illustrates the complexity of forecasting success in sport and offers evidence that grit should continue to be studied as a motivational disposition in the domain of sport.
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Affiliation(s)
| | | | | | | | - Amber D Mosewich
- Faculty of Kinesiology, Sport, and Recreation, University of Alberta, Canada
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Deng N, Soh KG, Abdullah B, Huang D, Sun H, Xiao W. Effects of physical training programs on female tennis players' performance: a systematic review and meta-analysis. Front Physiol 2023; 14:1234114. [PMID: 37664429 PMCID: PMC10470022 DOI: 10.3389/fphys.2023.1234114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 08/09/2023] [Indexed: 09/05/2023] Open
Abstract
Background: Tennis is among the world's most popular and well-studied sports. Physical training has commonly been used as an intervention among athletes. However, a comprehensive review of the literature on the effects of physical training programs on female tennis players' performance is lacking. Therefore, this systematic review and meta-analysis aimed to determine the effects of physical training on performance outcomes in female tennis players. Methods: A comprehensive search was conducted on Web of Science, PubMed, SPORTDicus, Scopus, and CNKI from inception until July 2023 to select relevant articles from the accessible literature. Only controlled trials were included if they examined the effects of physical training on at least one measure of tennis-specific performance in female tennis players. The Cochrane RoB tool was employed to assess the risk of bias. The CERT scale was used to examine the quality of program information. The GRADE approach was adopted to evaluate the overall quality of the evidence. The Comprehensive Meta-Analysis software was used for the meta-analysis. Results: Nine studies were selected for the systematic review and seven for the meta-analysis, totaling 222 individuals. The study's exercise programs lasted 6-36 weeks, with training sessions ranging from 30 to 80 min, conducted one to five times per week. Muscle power (ES = 0.72; p = 0.003), muscle strength (ES = 0.65; p = 0.002), agility (ES = 0.69; p = 0.002), serve velocity (ES = 0.72; p = 0.013), and serve accuracy (ES = 1.14; p = 0.002) demonstrated significant improvement following physical training, while no notable changes in linear sprint speed (ES = 0.63; p = 0.07) were detected. Conclusion: Although research on physical training in sports is diversified, studies on training interventions among female tennis players are scarce. This review found that existing training programs yield some favorable outcomes for female tennis players. However, further research with high methodological quality is warranted on the tailoring of specific training programs for female tennis players. There should be more consistent measuring and reporting of data to facilitate meaningful data pooling for future meta-analyses.
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Affiliation(s)
- Nuannuan Deng
- Department of Sports Studies, Faculty of Educational Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Kim Geok Soh
- Department of Sports Studies, Faculty of Educational Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Borhannudin Abdullah
- Department of Sports Studies, Faculty of Educational Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Dandan Huang
- College of Physical Education, Chongqing University, Chongqing, China
| | - He Sun
- School of Physical Education Institute (Main Campus), Zhengzhou University, Zhengzhou, China
| | - Wensheng Xiao
- Department of Sports Sciences, Huzhou University, Huzhou, China
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Pradas F, Toro-Román V, Castellar C, Carrasco L. Analysis of the spatial distribution of the serve and the type of serve-return in elite table tennis. Sex differences. Front Psychol 2023; 14:1243135. [PMID: 37637893 PMCID: PMC10452007 DOI: 10.3389/fpsyg.2023.1243135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 07/24/2023] [Indexed: 08/29/2023] Open
Abstract
Serve and return of the serve are among the most critical technical-tactical factors influencing performance in table tennis (TT). The present study aimed to analyse sex differences in the spatial distribution of serve and serve-return in elite TT players. A total of 48 elite TT players (men: n = 24; women: n = 24) participated in the investigation. A total of 24 matches were recorded and examined, analysing 1,177 plays and 5,319 strokes in the men's competition and 950 games and 5,097 strokes in the women's competition. Technical actions were analysed using an observation tool validated by two expert TT coach with a high level of agreement (K > 0.80). Men distributed their serves over zones 1 and 2 of the table, while women more frequently selected zone 5 (p < 0.05). In men, 30.1% of the serves were near the net, 63.6% in the middle zone of the table and 6.2% in the end zone of the table, while in women, these values were 10.9%, 67.2%, and 21.8%, respectively. As for the technique of the serve-return depending on the zone of the service, in men the action of the cut from zone 1 and 2 predominated, while in women this technique was more frequent from zone 5 (p < 0.05). On the other hand, the serve-return with the flip technique in zone 1, 3 and 4 was more frequent in men (p < 0.05). As for the return of the serve with the topspin technique, there were differences in zone 3, being more frequent in men (p < 0.05). Finally, the serve return with cut and defensive serve-return techniques in zones 3, 4, 5, and 6 were more frequent in women (p < 0.05). There are differences between sexes in service and return of serve actions during a match in elite players.
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Affiliation(s)
- Francisco Pradas
- ENFYRED Research Group, Faculty of Health and Sports Sciences, University of Zaragoza, Huesca, Spain
| | - Víctor Toro-Román
- Faculty of Sport Sciences, University of Extremadura, Cáceres, Spain
| | - Carlos Castellar
- ENFYRED Research Group, Faculty of Health and Sports Sciences, University of Zaragoza, Huesca, Spain
| | - Luis Carrasco
- Faculty of Education, University of Sevilla, Sevilla, Spain
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12
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He Y, Liang M, Fang Y, Fekete G, Baker JS, Gu Y. Lumbar and pelvis movement comparison between cross-court and long-line topspin forehand in table tennis: based on musculoskeletal model. Front Bioeng Biotechnol 2023; 11:1185177. [PMID: 37404682 PMCID: PMC10315575 DOI: 10.3389/fbioe.2023.1185177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 06/09/2023] [Indexed: 07/06/2023] Open
Abstract
Introduction: Cross-court and the long-line topspin forehand is the common and basic stroke skill in table tennis. The purpose of this study was to investigate the differences in lumbar and pelvis movements between cross-court and long-line topspin forehand strokes in table tennis based on musculoskeletal demands using OpenSim. Materials and Methods: The eight-camera Vicon system and Kistler force platform were used to measure kinematics and kinetics in the lumbar and pelvis movement of sixteen participants (Weight: 69.89 ± 1.58 kg; Height: 1.73 ± 0.03 m; Age: 22.89 ± 2.03 years; BMI: 23.45 ± 0.69 kg/m2; Experience: 8.33 ± 0.71 years) during cross-court and long-line topspin forehand play. The data was imputed into OpenSim providing the establishment of the Giat2392 musculoskeletal model for simulation. One-dimensional statistical parametric mapping and independent samples t-test was performed in MATLAB and SPSS to analyze the kinematics and kinetics. Results: The results show that the range of motion, peak moment, and maximum angle of the lumbar and pelvis movement in cross-court play were significantly higher than in the long-line stroke play. The moment of long-line in the sagittal and frontal plane was significantly higher than cross-court play in the early stroke phase. Conclusion: The lumbar and pelvis embody greater weight transfer and greater energy production mechanisms when players performed cross-court compared to long-line topspin forehand. Beginners could enhance their motor control strategies in forehand topspin skills and master this skill more easily based on the results of this study.
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Affiliation(s)
- Yuqi He
- Research Academy of Medicine Combining Sports, Ningbo No.2 Hospital, Ningbo, China
- Faculty of Engineering, University of Pannonia, Veszprém, Hungary
- Savaria Institute of Technology, Eötvös Loránd University, Szombathely, Hungary
| | - Minjun Liang
- Research Academy of Medicine Combining Sports, Ningbo No.2 Hospital, Ningbo, China
- Faculty of Sports Science, Ningbo University, Ningbo, China
| | - Yufei Fang
- Research Academy of Medicine Combining Sports, Ningbo No.2 Hospital, Ningbo, China
| | - Gusztáv Fekete
- Savaria Institute of Technology, Eötvös Loránd University, Szombathely, Hungary
| | - Julien S. Baker
- Department of Sport, Physical Education and Health, Hong Kong Baptist University, Hong Kong, China
| | - Yaodong Gu
- Research Academy of Medicine Combining Sports, Ningbo No.2 Hospital, Ningbo, China
- Faculty of Sports Science, Ningbo University, Ningbo, China
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13
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Kolman NS, Huijgen BCH, Visscher C, Elferink-Gemser MT. Technical skills in complex tennis situations: Dutch talented players U15 compared to players U17. Front Sports Act Living 2023; 5:1107740. [PMID: 36935885 PMCID: PMC10014527 DOI: 10.3389/fspor.2023.1107740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 02/13/2023] [Indexed: 03/05/2023] Open
Abstract
Introduction Technical skills in complex situations appear crucial for progress towards elite tennis performance. However, it is unknown how these skills develop in different age categories in a group of talented youth players. The aim of this study is to evaluate possible differences in technical skills among Dutch talented youth tennis players U15 compared to U17. Methods A total of 19 players (12 males, 7 females; age 14.6 ± 1.4 years) were tested on ball speed, accuracy, percentage errors and spin rate using the on-court Dutch Technical-Tactical Tennis Test. With a ball machine, four games were simulated which were either fixed (game 1 and game 2) or variable (game 3 and game 4), depending on the complexity of the task. Each game consisted of two offensive, two neutral and two defensive rallies, representing different tactical situations. Results A two-way ANOVA revealed a statistically significant interaction between the effects of age category and sex for ball speed (F(1,15) = 5.472, p = 0.034, η 2 = 0.267), indicating that males U17 produced higher ball speed compared to males U15, whereas no differences were found between females U15 and U17. A one-way ANCOVA showed that, regardless of sex, players U17 scored significantly higher on accuracy than players U15 (F(1,16) = 5.021, p = 0.040, η 2 = 0.239). No differences were found between players U15 and U17 for spin rate and percentage errors (p > .05), although there was a medium to large effect size for males U17 to produce higher spin rates compared to males U15. A closer examination of accuracy revealed that players U17 scored significantly higher compared to players U15 in game 4 (F(1,17) = 6.358, p = .022, η 2 = .272) and in defensive situations (F(1,17) = 9.602, p = .007, η 2 = .361). Discussion In conclusion, the results of the current study suggest that technical skills, especially ball speed for males and accuracy in complex situations for both males and females, continue to develop in adolescence in talented tennis players. There is an increased understanding about underlying technical skills that contribute to progress towards elite tennis performance. To effectively develop technical skills, coaches are encouraged to design specific practices where these skills are performed in complex situations under high cognitive and temporal pressure.
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Affiliation(s)
- Nikki S. Kolman
- Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Knowledge Center for Sport & Physical Activity, Utrecht, Netherlands
- Correspondence: Nikki S. Kolman
| | | | - Chris Visscher
- Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Marije T. Elferink-Gemser
- Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
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14
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Li H, Kang G, Lu P. EFFECTS OF DIETARY SUPPLEMENTATION ON THE TRAINING OF FEMALE TENNIS PLAYERS IN HOT CLIMATES. REV BRAS MED ESPORTE 2023. [DOI: 10.1590/1517-8692202329012022_0180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
ABSTRACT Introduction A tennis match may last up to four hours with long intervals between moves of medium to high exercise intensity for 10 minutes and aerobic characteristic that requires specific sources of energy. Inappropriate diets can negatively impact sports performance and delay the recovery phase. Fortified wheat germ protein powder has the supplementation characteristics required in aerobic activities, although there are no practical studies on its impacts on the work performance of female tennis athletes. Objective Explore the influence of two weeks of training in a warm environment combined with nutritional intervention on the performance of female tennis players. Methods It was observed by testing the immunological indices of elite female tennis players while training their changes and their effects on nutritional intervention. Results The increase in serum CK activity was closely related to the amount of exercise. Many studies have shown that serum CK activity increased significantly after strenuous exercise, and the serum CK value of subjects in the test group was significantly lower than that of the control group, showing better adaptability to exercise. Compared with before the nutritional intervention, the athletes’ weight decreased slightly, and the body fat percentage decreased significantly after the nutritional intervention. Compared with before nutritional intervention, sugar and salt supplements in athletes were significantly increased (P<0.05). Sweating rate, hydration rate, and hydration/sudden rate were also significantly increased (P<0.05). Conclusion Strengthening wheat germ protein supplementation may improve the nutritional albumin level in female tennis players, manifested in blood levels and immune function performance. Level of evidence II; Therapeutic studies - investigation of treatment outcomes.
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Affiliation(s)
| | | | - Peng Lu
- Nanjing Sport Institute, China
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15
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Ben Kahla A, Elghoul Y, Ammar A, Masmoudi L, Trabelsi K, Glenn JM, Dahmen R. Bilateral Training Improves Agility and Accuracy for Both Preferred and Non-Preferred Legs in Young Soccer Players. Percept Mot Skills 2022; 129:1804-1825. [PMID: 36054086 DOI: 10.1177/00315125221124373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
As laterality of the lower limbs is regarded as a relevant influence on soccer performance, we assessed whether a bilateral training program for both the preferred leg (PL) and non-preferred leg (NPL) would improve soccer players' lateral asymmetry, agility, and accuracy. Sixty right-foot-dominant young soccer players were randomly assigned to either an experimental group (EXP) that underwent bilateral training or a control group (CONT) that performed their usual training schedule without bilateral exercise. We assessed the players' lateral asymmetries before and after training on four soccer skill tasks: a zigzag test with and without a ball, a receiving and direct volley-shooting accuracy test, and a passing accuracy test. Results showed post-test versus pre-test performance improvements for the EXP group on the index of technical skills and agility (p < .001). A post-hoc analysis further revealed a pre-test to post-test performance improvement on shooting and passing accuracy with both legs only for the EXP group (p < .001). These results support the role of bilateral practice in improving lateral asymmetries, agility, and accuracy.
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Affiliation(s)
- Ahmed Ben Kahla
- Education, Motor Skills, Sports and Health (EM2S), LR19JS01, High Institute of Sport and Physical Education of Sfax, 479822University of Sfax, Tunisia.,High Institute of Sport and Physical Education of Sfax, 479822University of Sfax, Tunisia
| | - Yousri Elghoul
- Education, Motor Skills, Sports and Health (EM2S), LR19JS01, High Institute of Sport and Physical Education of Sfax, 479822University of Sfax, Tunisia.,High Institute of Sport and Physical Education of Sfax, 479822University of Sfax, Tunisia
| | - Achraf Ammar
- Department of Training and Movement Science, Institute of Sport Science, Johannes Gutenberg-University Mainz, Mainz, Germany.,Interdisciplinary Laboratory in Neurosciences, Physiology and Psychology, Physical Activity, Health and Learning (LINP2), UPL, UFR STAPS (Faculty of Sport Sciences), Paris Nanterre University, Nanterre, France
| | - Liwa Masmoudi
- Education, Motor Skills, Sports and Health (EM2S), LR19JS01, High Institute of Sport and Physical Education of Sfax, 479822University of Sfax, Tunisia.,High Institute of Sport and Physical Education of Sfax, 479822University of Sfax, Tunisia
| | - Khaled Trabelsi
- Education, Motor Skills, Sports and Health (EM2S), LR19JS01, High Institute of Sport and Physical Education of Sfax, 479822University of Sfax, Tunisia.,High Institute of Sport and Physical Education of Sfax, 479822University of Sfax, Tunisia
| | - Jordan M Glenn
- Exercise Science Research Center, Department of Health, Human Performance and Recreation, University of Arkansas, Fayetteville, AR, USA
| | - Riadh Dahmen
- Education, Motor Skills, Sports and Health (EM2S), LR19JS01, High Institute of Sport and Physical Education of Sfax, 479822University of Sfax, Tunisia.,High Institute of Sport and Physical Education of Sfax, 479822University of Sfax, Tunisia
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16
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Deng N, Soh KG, Huang D, Abdullah B, Luo S, Rattanakoses W. Effects of plyometric training on skill and physical performance in healthy tennis players: A systematic review and meta-analysis. Front Physiol 2022; 13:1024418. [PMID: 36505069 PMCID: PMC9729950 DOI: 10.3389/fphys.2022.1024418] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Accepted: 11/14/2022] [Indexed: 11/25/2022] Open
Abstract
Background: Plyometric training (PT) has been researched extensively in athletic populations. However, the effects of PT on tennis players are less clear. Methods: We aim to consolidate the existing research on the effects of PT on healthy tennis players' skill and physical performance. On 30th May 2022, a comprehensive search of SCOPUS, PubMed, Web of Science, and SPORTDiscus (via EBSCOhost) databases was performed. PICOS was employed to define the inclusion criteria: 1) healthy tennis players; 2) a PT program; 3) compared a plyometric intervention to a control group or another exercise group, and single-group trials; 4) tested at least one measures of tennis skill or physical performance; and 5) non-randomized study trials and randomized control designs. Individual studies' methodological quality was evaluated by using the Cochrane RoB-2 and ROBINS-I instruments. Using Grading of Recommendations Assessment, Development, and Evaluation (GRADE), the certainty of the body of evidence for each outcome was assessed, and Comprehensive Meta-Analysis software was employed for the meta-analysis. Results: Twelve studies comprising 443 tennis players aged 12.5-25 years were eligible for inclusion. The PT lasted from 3 to 9 weeks. Eight studies provided data to allow for the pooling of results in a meta-analysis. A moderate positive effect was detected for PT programs on maximal serve velocity (ES = 0.75; p < 0.0001). In terms of measures of physical performance, small to moderate (ES = 0.43-0.88; p = 0.046 to < 0.001) effects were noted for sprint speed, lower extremity muscle power, and agility. While no significant and small effect was noted for lower extremity muscle strength (ES = 0.30; p = 0.115). We found no definitive evidence that PT changed other parameters (i.e., serve accuracy, upper extremity power and strength, reaction time, and aerobic endurance). Based on GRADE, the certainty of evidence across the included studies varied from very low to moderate. Conclusion: PT may improve maximal serve velocity and physical performance components (sprint speed, lower extremity muscular power, and agility) for healthy tennis players; however, more high-quality evidence about the effects of PT on the skill and physical performance of tennis players merits further investigation. Systematic Review Registration: [https://inplasy.com/], identifier [INPLASY202250146].
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Affiliation(s)
- Nuannuan Deng
- Faculty of Educational Studies, Department of Sports Studies, Universiti Putra Malaysia, Selangor, Malaysia,*Correspondence: Nuannuan Deng, ; Kim Geok Soh,
| | - Kim Geok Soh
- Faculty of Educational Studies, Department of Sports Studies, Universiti Putra Malaysia, Selangor, Malaysia,*Correspondence: Nuannuan Deng, ; Kim Geok Soh,
| | - Dandan Huang
- College of Physical Education, Chong Qing University, Chongqing, China
| | - Borhannudin Abdullah
- Faculty of Educational Studies, Department of Sports Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Shengyao Luo
- Faculty of Educational Studies, Department of Sports Studies, Universiti Putra Malaysia, Selangor, Malaysia
| | - Watnawat Rattanakoses
- Department of Khon Kaen Sport School, Thailand National Sport University, Bueng Nam Rak, Thailand
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17
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Kolman NS, Huijgen BCH, van Heuvelen MJG, Visscher C, Elferink-Gemser MT. Self-assessed tactical skills in tennis players: Psychometric evaluation of the Tactical Skills Questionnaire in Tennis. Front Sports Act Living 2022; 4:988595. [PMID: 36238958 PMCID: PMC9552173 DOI: 10.3389/fspor.2022.988595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 09/09/2022] [Indexed: 11/13/2022] Open
Abstract
To our knowledge, no feasible, valid and reliable instrument exists to examine tactical skills over the course of multiple training and game situations in tennis yet. Therefore, the aim of this study was to develop and evaluate the psychometric properties of the Tactical Skills Questionnaire in Tennis (TSQT). The TSQT is a new instrument with closed-ended questions designed to examine tactical skills in tennis players. Participants were 233 competitive tennis players (age: 17.06 ± 4.74 years) competing on national or regional levels. With a principal component analysis (PCA) we identified four theoretically meaningful subscales for the 31-item TSQT: “Anticipation and positioning,” “Game intelligence and adaptability,” “Decision-making,” and “Recognizing game situations” and confirmed them with a confirmatory factor analysis (CFA) (χ2 = 527.02, df = 426, p < 0.001, CFI = 0.93, RMSEA = 0.045, SRMR = 0.079). Internal consistency was good, with Cronbach's alpha of 0.89 for the entire scale and McDonald's omega ranging from 0.69 to 0.78 for the separate subscales. A subsample of 57 players completed the TSQT twice to assess test-retest reliability. Absolute test-retest reliability of the subscales was good with no significant differences in mean scores between test and retest (p > 0.05). Relative test-retest reliability was moderate with ICC values ranging from 0.65 to 0.71. National players outperformed regional players on the subscales “Game intelligence and adaptability,” “Decision-making,” and “Recognizing game situations” (p < 0.05), and there was a trend toward significance for “Anticipation and positioning” (p = 0.07). This study supported the psychometric properties of the TSQT. Evaluating tactical skills with the TSQT provides players, coaches and other professionals with insight in players' self-assessed tactical skills over the course of multiple training and game situations. It creates the opportunity for players to reflect on their skills and detect personal development areas with their coach. We advise to use this information as input for tailor-made training programs.
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Affiliation(s)
- Nikki S. Kolman
- Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
- Knowledge Center for Sport and Physical Activity, Ede, Netherlands
- *Correspondence: Nikki S. Kolman
| | | | - Marieke J. G. van Heuvelen
- Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Chris Visscher
- Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Marije T. Elferink-Gemser
- Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
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18
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Quinzi F, Modica M, Berchicci M, Bianco V, Perri RL, Di Russo F. Does sport type matter? The effect of sport discipline on cognitive control strategies in preadolescents. Int J Psychophysiol 2022; 177:230-239. [PMID: 35661749 DOI: 10.1016/j.ijpsycho.2022.05.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 05/06/2022] [Accepted: 05/30/2022] [Indexed: 11/29/2022]
Abstract
This study aimed to test the effects of specific sport practices on cognitive sensory-motor performance and underlying brain functions in children. Behavioral performance and event-related potentials (ERP) were investigated during a cognitive visuomotor task in 64 preadolescent children practicing racket (Rack) sports, martial arts (Mart), indoor climbing (Clim), or not practicing any sport (controls, Cont). At the behavioral level, response speed and accuracy were studied. At the electrophysiological level, motor, cognitive and sensory-attentional readiness, and post-perceptual attentional functions were investigated. Behavioral results showed that Mart players had the fastest response time (RT). Rack players had the most consistent RT and committed the lowest omission errors. Clim athletes were the most accurate in terms of false alarms. ERP results showed that motor readiness was largest in Mart players. The Rack group had the largest cognitive preparation and the Clim one had the largest sensory-attentional readiness activity. Rack and Mart players had the largest activity associated with post-perceptual attentional processing. This result shows that practicing specific sports may allow differential benefits on cognitive processing. Racket sports seem to stimulate action speed consistency and improve accuracy for omissions, increasing cognitive preparation, and post-perceptual attentional processing. Mart practice may allow a more speed-oriented response behavior, probably due to large motor preparation and allocation of post-perceptual attentional resources, but only when response execution is required. Indoor climbing may favor response accuracy reducing unwanted responses as indexed by an increased sensory-attentional readiness. Overall, all the considered sports disciplines may improve cognitive processing, but each one is associated with different benefits on cognitive performance by possibly stimulating separate brain processing. This kind of information could be crucial to select the more appropriate sport depending on individual demands.
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Affiliation(s)
- Federico Quinzi
- Dept. of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy; Department of Clinical and Experimental Medicine, University of Catanzaro "Magna Græcia", Italy
| | - Manuela Modica
- Dept. of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Marika Berchicci
- Dept. of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy
| | - Valentina Bianco
- Dept. of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy; Laboratory of Cognitive Neuroscience, Dept. of Languages and Literatures, Communication, Education and Society, University of Udine, Italy
| | | | - Francesco Di Russo
- Dept. of Movement, Human and Health Sciences, University of Rome "Foro Italico", Rome, Italy; Santa Lucia Foundation IRCCS, Rome, Italy.
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19
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Performance Outcome Measures in Padel: A Scoping Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19074395. [PMID: 35410074 PMCID: PMC8998912 DOI: 10.3390/ijerph19074395] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 04/02/2022] [Accepted: 04/04/2022] [Indexed: 01/27/2023]
Abstract
Padel is a modern doubles racket sport which has become popular around the world in the last decades. There has been an increase in the quantity of scientific research about this sport in the last years. Therefore, the main objective of this scoping review is to provide an updated contextualization of research regarding padel. PRISMA ScR was used in order to search for articles fulfilling the inclusion criteria in five fields of interest: the anthropometric profile, physiology and physical performance, biomechanics, the epidemiology of injuries, and match analyses Seventy-seven records were included in the study. Padel is an emerging sport both in sport and research terms. This scoping review provides coaches and researchers with all the knowledge available in the five fields of interest. Furthermore, this study enables them to make a map of the current state of the research about padel, and it opens up doors to future investigations.
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20
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Perri T, Reid M, Murphy A, Howle K, Duffield R. Validating an algorithm from a trunk-mounted wearable sensor for detecting stroke events in tennis. J Sports Sci 2022; 40:1168-1174. [PMID: 35318889 DOI: 10.1080/02640414.2022.2056365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
This study analysed the accuracy of a prototype algorithm for tennis stroke detection from wearable technology. Strokes from junior-elite tennis players over 10 matches were analysed. Players wore a GPS unit containing an accelerometer, gyroscope and magnetometer. Manufacturer-developed algorithms determined stoke type and count (forehands, backhands, serves and other). Matches were video recorded to manually code ball contacts and shadow swing events for forehands, backhands and serves and further by stroke classifications (i.e., drive, volley, slice, end-range). Comparisons between algorithm and coding were analysed via ANOVA and Bland-Altman plots at the match-level and error rates for specific stroke-types. No significant differences existed for stroke count between the algorithm and manual coding (p > 0.05). Significant (p < 0.0001) overestimation of "Other" strokes were observed from the algorithm, with no difference in groundstrokes and serves (p > 0.05). Serves had the highest accuracy of all stroke types (≥98%). Forehand and backhand "drives" were the most accurate (>86%), with volleys mostly undetected (58-60%) and slices and end-range strokes likely misclassified (49-51%). The prototype algorithm accurately quantifies serves and forehand and backhand "drives" and serves. However, underestimations of shadow swings and overestimations of "other" strokes suggests strokes with reduced trunk rotation have poorer detection accuracy.
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Affiliation(s)
- Thomas Perri
- School of Sport, Exercise and Rehabilitation, Faculty of Health, University of Technology Sydney, Sydney, NSW, Australia.,Sports Science and Sports Medicine Unit, Tennis Australia, Melbourne, VIC, Australia
| | - Machar Reid
- Sports Science and Sports Medicine Unit, Tennis Australia, Melbourne, VIC, Australia
| | - Alistair Murphy
- Sports Science and Sports Medicine Unit, Tennis Australia, Melbourne, VIC, Australia
| | | | - Rob Duffield
- School of Sport, Exercise and Rehabilitation, Faculty of Health, University of Technology Sydney, Sydney, NSW, Australia
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21
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Application Analysis of Combining BP Neural Network and Logistic Regression in Human Resource Management System. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2022; 2022:7425815. [PMID: 35310592 PMCID: PMC8933120 DOI: 10.1155/2022/7425815] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/18/2022] [Accepted: 01/26/2022] [Indexed: 11/17/2022]
Abstract
Human resource management involves a variety of data processing, and the process is complicated. In order to improve the effect of human resource management, this paper combines BP neural network and logistic regression analysis to construct an intelligent human resource management system and uses backpropagation learning to adjust training errors and determine connection weights. Moreover, this paper estimates the probability of a certain event through regression analysis, predicts and analyzes the human resource management process, and builds an intelligent human resource management system with the support of joint algorithms. In order to explore the reliability of the joint algorithm proposed in this paper, the effectiveness of the algorithm proposed in this paper is verified through simulation tests. The experimental research results show that the human resource management system based on BP neural network and logistic regression proposed in this paper has good practical effects.
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22
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Amico G, Schaefer S. Tennis expertise reduces costs in cognition but not in motor skills in a cognitive-motor dual-task condition. Acta Psychol (Amst) 2022; 223:103503. [PMID: 35051842 DOI: 10.1016/j.actpsy.2022.103503] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 01/10/2022] [Accepted: 01/11/2022] [Indexed: 11/29/2022] Open
Abstract
Dual-process theories predict performance reductions under dual-task situations (= situations where two tasks have to be processed and executed simultaneously), because limited cognitive resources have to be shared between concurrent tasks. Increases in expertise should reduce the attentional resources needed to perform a motor task, leading to reduced dual-task costs. The current studies investigated whether expert tennis players (performance ratings of 1 to 14 in the German system) show smaller costs compared to intermediate players (performance ratings of 15 to 23). Two studies assessed single- and dual-task performance in a within-subject design in the same tennis task, returning balls into a target field. Two different cognitive tasks were used, a 3-back working memory task in study 1, and a vocabulary-learning task (episodic memory) in study 2. As predicted, performance in both cognitive tasks was reduced during dual-tasking, while the accuracy of tennis returns remained stable under cognitive challenge. These findings indicate that skilled tennis players show a task-prioritization strategy in favor of the tennis task in a dual-task situation. In study 1, intermediate players showed higher overall dual-task costs than experts, but the group differences in dual-task costs did not reach significance in study 2. This may have been due to less pronounced expertise-differences between the groups in study 2. The findings replicate and extend previous expertise studies in sports to the domain of tennis. We argue that an athlete's ability to keep up cognitive and motor performances in challenging dual-task situations may be a valid indicator of skill level.
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Affiliation(s)
- Gianluca Amico
- Department of Sport Sciences, Saarland University, Germany.
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Ramos A, Coutinho P, Davids K, Mesquita I. Developing Players' Tactical Knowledge Using Combined Constraints-Led and Step-Game Approaches-A Longitudinal Action-Research Study. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2021; 92:584-598. [PMID: 32644022 DOI: 10.1080/02701367.2020.1755007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 04/07/2020] [Indexed: 06/11/2023]
Abstract
Purpose: Using an action-research design, this study examined the impact of combining concepts from two contemporary pedagogical approaches, the Constraints-led Approach (CLA) and Step-Game Approach (SGA), on the development of youth volleyballers' tactical knowledge, as expressed in performance, throughout a full competitive season. Method: Fifteen players and one coach participated in this study, which involved three action-research cycles, each including the processes of planning, acting and monitoring, reflecting, and fact-finding. The first author, who had the role of coach-researcher, collected data using a reflexive diary and field notes between September 2017 and June 2018, as well as eight semi-structured focus-group interviews. Data were analyzed using thematic analysis, in which inductive procedures deepened understanding of the development of the participants' tactical knowledge. Results: Findings suggested that combining CLA with SGA improved tactical knowledge in specific ways. Players progressed from a starting point where they were only able to describe game scenarios, and act without tactical criteria or considering contextual game constraints, to a point where their intentions during tactical actions were shaped by their ability to think strategically and guide their attention to recognize and interpret different constraints. Conclusions: Results suggested that the development of players' tactical knowledge benefited from a mutual integration of different, yet complementary, pedagogical approaches. By integrating SGA and CLA it was possible to enhance players' adaptable thinking using learning tasks involving the manipulation of meaningful constraints that afforded variable repetition and the resolution of tactical problems.
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24
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Wang J. Shot Characteristics Based on Match Period in Elite Table Tennis Matches. Front Psychol 2021; 12:745546. [PMID: 34733214 PMCID: PMC8559869 DOI: 10.3389/fpsyg.2021.745546] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 09/27/2021] [Indexed: 11/13/2022] Open
Abstract
This study aimed to compare the shot characteristics amongst different match periods in table tennis matches. For the shot characteristics of position, type, placement and efficacy, 13 men’s singles matches comprising 72 sets from a round of 16 to the final in the 2019 World Table Tennis Championships were selected for notational analysis. Kruskal–Wallis and Mann–Whitney tests were conducted to quantify the differences in various categories of each variable amongst the initial, intermediate and ending match periods. There are no significant differences in each distribution between initial and intermediate periods. From intermediate to ending periods, significant decreases were found in chop type (p < 0.01) and middle long placement (p < 0.01), whereas a significant increase was found in backhand half placement (p < 0.05). By comparing the initial and ending periods, significant decreases were found in middle backhand turn position (p < 0.05), middle long placement (p < 0.01), chop (p < 0.01), and poor shots (p < 0.05). Therefore, shot characteristics in table tennis matches are match period related, and the main differences existed between the beginning and the ending period. From initial to ending period, the frequency of applying the middle long placements is decreasing. At the end of every set, the players adopted a safe stroke position, performed offensive stroke types and deployed flexible stroke placement. Results suggested that coaches can establish different scenarios on the basis of varying match periods for players’ training.
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Affiliation(s)
- Jie Wang
- Key Laboratory of Diagnosis and Analysis of Skills and Tactics in Sports, College of Physical Education and Sports Training, Shanghai University of Sport, Shanghai, China
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25
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Loiseau-Taupin M, Ruffault A, Slawinski J, Delabarre L, Bayle D. Effects of Acute Physical Fatigue on Gaze Behavior and Performance During a Badminton Game. Front Sports Act Living 2021; 3:725625. [PMID: 34676362 PMCID: PMC8523892 DOI: 10.3389/fspor.2021.725625] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 09/08/2021] [Indexed: 11/28/2022] Open
Abstract
In badminton, the ability to quickly gather relevant visual information is one of the most important determinants of performance. However, gaze behavior has never been investigated in a real-game setting (with fatigue), nor related to performance. The aim of this study was to evaluate the effect of fatigue on gaze behavior during a badminton game setting, and to determine the relationship between fatigue, performance and gaze behavior. Nineteen novice badminton players equipped with eye-tracking glasses played two badminton sets: one before and one after a fatiguing task. The duration and number of fixations for each exchange were evaluated for nine areas of interest. Performance in terms of points won or lost and successful strokes was not impacted by fatigue, however fatigue induced more fixations per exchange on two areas of interest (shuttlecock and empty area after the opponent's stroke). Furthermore, two distinct gaze behaviors were found for successful and unsuccessful performance: points won were associated with fixations on the boundary lines and few fixation durations on empty area before the participant's stroke; successful strokes were related to long fixation durations, few fixation durations on empty area and a large number of fixations on the shuttlecock, racket, opponent's upper body and anticipation area. This is the first study to use a mobile eye-tracking system to capture gaze behavior during a real badminton game setting: fatigue induced changes in gaze behavior, and successful and unsuccessful performance were associated with two distinct gaze behaviors.
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Affiliation(s)
- Mildred Loiseau-Taupin
- Laboratory Sport, Expertise, Performance (EA7370), French Institute of Sport (INSEP), Paris, France
| | - Alexis Ruffault
- Laboratory Sport, Expertise, Performance (EA7370), French Institute of Sport (INSEP), Paris, France.,Unité de Recherche Intrafacultaire Santé et Société, Université de Liège, Liège, Belgium
| | - Jean Slawinski
- Laboratory Sport, Expertise, Performance (EA7370), French Institute of Sport (INSEP), Paris, France
| | - Lucile Delabarre
- Laboratory Sport, Expertise, Performance (EA7370), French Institute of Sport (INSEP), Paris, France
| | - Dimitri Bayle
- LICAE Lab, UFR STAPS, University of Paris, Nanterre, France
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26
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Neus DV, Shalamov DS. Theoretical Aspects of the Correlation of Education and Professional Sports in the Development of Information Technology. SCIENTIFIC BULLETIN OF MUKACHEVO STATE UNIVERSITY. SERIES «PEDAGOGY AND PSYCHOLOGY» 2021. [DOI: 10.52534/msu-pp.7(3).2021.134-140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The rapid development of modern science and technology has had an unprecedented impact on professional sports, resulting in the need to update the methodology of teaching physical education. The purpose of the study is to analyse the correlations between education and professional sports in the context of the active introduction of information technology. The methodology of theoretical research was used in conducting study. It is determined that the new mode of education does not depend entirely on the advantages of media education, but on the reform of physical education regime. It was discovered that the use of media education technology created conditions for the reform of teaching physical education and sports and led to its recessive function due to the new teaching regime. The necessity of comprehensive analysis in evaluating the model of sports education is substantiated. The study established that the informatisation of sports in educational institutions plays an important role in promoting physical education among students. The semantic importance of school sports modernisation is considered, which includes revising views and ideas on physical education, improving the content and methods of teaching, changing the team composition and management of school sports, and updating school sports and sports evaluation system. The study includes statistical data on the student’s attitude to physical activity and their participation in the physical education. The features of the use of media technologies for the purpose of introducing sports among young people have been established, which consist in positive and negative effects on the personality. The practical value of the study lies in the theoretical substantiation of the correlation features of the educational process and professional sports for their further application in practice
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Affiliation(s)
- Denys V. Neus
- Specialised Olympic Reserve Children’s and Youth Sports School named after Litvak Borys Davydovych
| | - Dmytro S. Shalamov
- Specialised Olympic Reserve Children’s and Youth Sports School named after Litvak Borys Davydovych
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27
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Faber IR, Koopmann T, Büsch D, Schorer J. Developing a tool to assess technical skills in talented youth table tennis players-a multi-method approach combining professional and scientific literature and coaches' perspectives. SPORTS MEDICINE-OPEN 2021; 7:42. [PMID: 34146169 PMCID: PMC8214643 DOI: 10.1186/s40798-021-00327-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 05/12/2021] [Indexed: 11/10/2022]
Abstract
Background The assessment of technical skills as part of a multidimensional approach for talent identification and development in sports seems promising, especially in a technique-based sport like table tennis. However, current instruments mostly focus on a single element of technical skills, mainly use quantitative outcomes, and/or are not developed for talent purposes. Practice would benefit from a new instrument using a more ecologically valid approach. Thus, the purpose of this study was to identify the essential elements of technical skills in young table tennis players and to establish a first tool while using a multi-methods study design including an archive search for professional literature, a systematic search for scientific literature, as well as ten in-depth interviews with expert coaches. Results This approach taken ensured empirical findings to be combined with knowledge and experiences from the practical field and detailed explications by high-level expert coaches. Results for the literature searches yielded 23 professional and 21 scientific articles while data saturation was reached through all ten interviews. The triangulation process resulted in two general (i.e., individuality, interconnection between elements) and five specific (i.e., bat grip, ready position, footwork/body positioning, service, stroke) elements of technical skills in young table tennis players. In addition, criteria for both flawed and excellent executions were identified for each of the five specific elements. Finally, these results were used to create an observation sheet usable for an assessment during competition. Conclusions This study revealed the crucial elements of technical skills that should be taken into account when assessing sport-specific technical skills of youth table tennis players (8–12 years). Moreover, it provided concise descriptions of what is considered to be flawed or excellent executions of technical skills. Based on these findings, a first observation sheet, the Oldenburg observation sheet for Table Tennis Technique (O3T), was created to be used for the assessment of the current technical skill level within a competitive context at the early stage of a table tennis player’s career. Future research should focus on its measurement properties and its value within a multidimensional assessment for talent purposes. Supplementary Information The online version contains supplementary material available at 10.1186/s40798-021-00327-5.
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Affiliation(s)
- Irene R Faber
- Institute of Sport Science, University of Oldenburg, Oldenburg, Germany. .,International Table Tennis Federation, Lausanne, Switzerland.
| | - Till Koopmann
- Institute of Sport Science, University of Oldenburg, Oldenburg, Germany
| | - Dirk Büsch
- Institute of Sport Science, University of Oldenburg, Oldenburg, Germany
| | - Jörg Schorer
- Institute of Sport Science, University of Oldenburg, Oldenburg, Germany
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28
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Šlosar L, de Bruin ED, Fontes EB, Plevnik M, Pisot R, Simunic B, Marusic U. Additional Exergames to Regular Tennis Training Improves Cognitive-Motor Functions of Children but May Temporarily Affect Tennis Technique: A Single-Blind Randomized Controlled Trial. Front Psychol 2021; 12:611382. [PMID: 33790833 PMCID: PMC8005621 DOI: 10.3389/fpsyg.2021.611382] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 02/23/2021] [Indexed: 12/23/2022] Open
Abstract
This study evaluated the effects of an exergame program (TennisVirtua-4, Playstation Kinect) combined with traditional tennis training on autonomic regulation, tennis technique, gross motor skills, clinical reaction time, and cognitive inhibitory control in children. Sixty-three children were randomized into four groups (1st - two exergame and two regular trainings sessions/week, 2nd - one exergame and one regular training sessions/week, 3rd - two regular trainings sessions/week, and 4th - one regular training session/week) and compared at baseline, 6-month immediately post intervention and at 1-year follow-up post intervention. At 6-month post intervention the combined exergame and regular training sessions revealed: higher breathing frequency, heart rate (all ps ≤ 0.001) and lower skin conductance levels (p = 0.001) during exergaming; additional benefits in the point of contact and kinetic chain elements of the tennis forehand and backhand technique (all ps ≤ 0.001); negative impact on the shot preparation and the follow-through elements (all ps ≤ 0.017); higher ball skills (as part of the gross motor skills) (p < 0.001); higher percentages of clinical reaction time improvement (1st -9.7% vs 3rd group -7.4% and 2nd -6.6% vs 4th group -4.4%, all ps ≤ 0.003) and cognitive inhibitory control improvement in both congruent (1st -20.5% vs 3rd group -18.4% and 2nd -11.5% vs 4th group -9.6%, all ps ≤ 0.05) and incongruent (1st group -19.1% vs 3rd group -12.5% and 2nd group -11.4% vs 4th group -6.5%, all ps ≤ 0.001) trials. The 1-year follow-up test showed no differences in the tennis technique, clinical reaction time and cognitive inhibitory control improvement between groups with the same number of trainings per week. The findings support exergaming as an additional training tool, aimed to improve important cognitive-motor tennis skills by adding dynamics to the standardized training process. Caution should be placed to planning this training, e.g., in a mesocycle, since exergaming might decrease the improvement of specific tennis technique parts of the trainees. (ClinicalTrials.gov; ID: NCT03946436).
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Affiliation(s)
- Luka Šlosar
- Institute for Kinesiology Research, Science and Research Centre Koper, Koper, Slovenia
| | - Eling D de Bruin
- Institute of Human Movement Sciences and Sport, Department Health Sciences and Technology, ETH Zurich, Zurich, Switzerland.,Division of Physiotherapy, Department of Neurobiology, Care Sciences and Society, Karolinska Institute, Stockholm, Sweden
| | - Eduardo Bodnariuc Fontes
- Research Group in Physical Activity, Cognition and Behavior, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Matej Plevnik
- Department of Kinesiology, Faculty of Health Sciences, University of Primorska, Izola, Slovenia
| | - Rado Pisot
- Institute for Kinesiology Research, Science and Research Centre Koper, Koper, Slovenia
| | - Bostjan Simunic
- Institute for Kinesiology Research, Science and Research Centre Koper, Koper, Slovenia
| | - Uros Marusic
- Institute for Kinesiology Research, Science and Research Centre Koper, Koper, Slovenia.,Department of Health Sciences, Alma Mater Europaea - ECM, Maribor, Slovenia
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29
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Kolman NS, Huijgen BCH, Visscher C, Elferink-Gemser MT. The value of technical characteristics for future performance in youth tennis players: A prospective study. PLoS One 2021; 16:e0245435. [PMID: 33439916 PMCID: PMC7806163 DOI: 10.1371/journal.pone.0245435] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 01/03/2021] [Indexed: 11/18/2022] Open
Abstract
The aim of this study is to examine whether technical characteristics predict current and future tennis performance of youth tennis players. Twenty-nine male youth tennis players (age 13.40 ± .51) were assessed on anthropometrical characteristics (height, weight, maturity status) and technical characteristics (ball speed, accuracy and percentage errors) using an on-court tennis test when they were under-14 (U14). Game situations were simulated, which were either fixed or variable. The variable game situations required players to consider the direction of the ball, as opposed to the fixed game situations where players needed to play every ball to the same side. Players’ tennis ratings were obtained U14 (‘current performance’) and under-18 (U18) (‘future performance’). According to their rating U18 players were classified as future elite (n = 9) or future competitive (n = 20). A multiple linear regression analysis showed that ball speed and accuracy were significant predictors of current and future performance (p < .001), with R2 of .595 and .463, respectively. When controlling for age, a one-way MANCOVA revealed that future elite players were more accurate than future competitive players (p = .048, 95% CI [.000 to .489]), especially in variable compared to fixed game situations (p < .05). In conclusion, the current study is the first to show that technical characteristics are crucial for current as well as future performance in youth male tennis players. Findings of this prospective study provide essential information to coaches about characteristics that require most attention in performance development in youth players.
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Affiliation(s)
- Nikki S Kolman
- Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands.,Knowledge Center for Sport and Physical Activity, Ede, the Netherlands
| | - Barbara C H Huijgen
- Department of Psychology, University of Groningen, Groningen, the Netherlands
| | - Chris Visscher
- Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Marije T Elferink-Gemser
- Center for Human Movement Sciences, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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30
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Hoppe MW, Hotfiel T, Stückradt A, Grim C, Ueberschär O, Freiwald J, Baumgart C. Effects of passive, active, and mixed playing strategies on external and internal loads in female tennis players. PLoS One 2020; 15:e0239463. [PMID: 32960920 PMCID: PMC7508371 DOI: 10.1371/journal.pone.0239463] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 09/06/2020] [Indexed: 11/18/2022] Open
Abstract
This study aimed to investigate the effects of different playing strategies on external and internal loads in female tennis players during match play. Also, the underlying effects on the technical-tactical actions and activity profiles were examined. Twelve well-trained female players (age: 25±5 years; maximum oxygen uptake: 40.9±4.3 ml/kg/min) played points against an opponent of similar ability outdoors on red-clay courts. The players played points over five playing conditions. Before each condition, the players were instructed to apply either a passive, an active, or their own playing strategy (free play) to succeed. The five conditions were played in a randomized order, whereas the condition with the own strategy was always played first and served as control. During play, the external and internal loads were investigated by 10 Hz global positioning system, 100 Hz inertial measurement unit, short-range telemetry, capillary blood, and visual analog scale procedures. A 25 Hz video camera was used to examine the technical-tactical actions and activity profiles. Compared to the control condition, the passive, active, and mixed playing strategy conditions induce up to large effects on the external loads (running distances with high acceleration and deceleration), up to moderate effects on the internal loads (energy expenditures spent with high metabolic power, lactate concentration, and rating of effort), and up to very large effects on the technical-tactical actions (number of ground strokes and errors) and activity profiles (strokes per rally, rally duration, work to rest ratio, and effective playing time). Our study shows that passive, active, and mixed playing strategies have an impact on the external and internal loads, technical-tactical actions, and activity profiles of female tennis players during match play. This finding should be considered for practical purposes like match analyses and training procedures in the tennis environment.
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Affiliation(s)
- Matthias W. Hoppe
- Institute of Movement and Training Science I, University of Leipzig, Leipzig, Germany
| | - Thilo Hotfiel
- Center for Musculoskeletal Surgery Osnabrück (OZMC), Klinikum Osnabrück, Osnabrück, Germany
- Department of Orthopedic Surgery, Friedrich-Alexander-University Erlangen-Nuremberg, Erlangen, Germany
| | - Alexandra Stückradt
- Department of Movement and Training Science, University of Wuppertal, Wuppertal, Germany
| | - Casper Grim
- Center for Musculoskeletal Surgery Osnabrück (OZMC), Klinikum Osnabrück, Osnabrück, Germany
| | - Olaf Ueberschär
- Institute for Applied Training Science (IAT), Leipzig, Germany
- Chair for Human-Machine Interaction, Magdeburg-Stendal University of Applied Sciences, Magdeburg, Germany
| | - Jürgen Freiwald
- Department of Movement and Training Science, University of Wuppertal, Wuppertal, Germany
| | - Christian Baumgart
- Department of Movement and Training Science, University of Wuppertal, Wuppertal, Germany
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31
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Kramer T, Valente-Dos-Santos J, Visscher C, Coelho-E-Silva M, Huijgen BCH, Elferink-Gemser MT. Longitudinal development of 5m sprint performance in young female tennis players. J Sports Sci 2020; 39:296-303. [PMID: 32896210 DOI: 10.1080/02640414.2020.1816313] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Sprint performance over short distances is a central component in young tennis players' development. This study aimed to examine the longitudinal development of sprint performance in young female tennis players, and to investigate differences between performance levels. Also potentially explanatory variables were investigated. Female tennis players aged 10-15 (N = 167) participated in a, mixed-longitudinal study (n = 48 elite; n = 119 sub-elite). Players were measured annually on the 5 m sprint as well as for possible explaining variables for 5 m sprint performance development (age, height, body mass, maturity status, lower limb explosive strength). Multilevel analysis was used to obtain a developmental model. Moreover, it was possible to predict sprint performance (5 m) based on chronological age, body size given by height, and lower limb strength performance (p < .05). Significant different developmental patterns were found for elite and sub-elite players, with elite players aged 10-14 being faster. After age 14, no significant differences were found in sprint performance between elite and sub-elite players (p > . 05). Sprint performance is an important characteristic of young female tennis players and seemed to depend on growth and maturation in parallel to physical fitness.
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Affiliation(s)
- Tamara Kramer
- HAN Sports and Exercise, HAN University of Applied Sciences , Nijmegen, The Netherlands.,Center for Human Movement Sciences, University of Groningen, University Medical Center Groningen , The Netherlands
| | - João Valente-Dos-Santos
- CIDAF (UID/DTP/04213/2019), University of Coimbra , Coimbra, Portugal.,Faculty of Physical Education and Sport, Lusófona University of Humanities and Technologies , Lisbon, Portugal
| | - Chris Visscher
- Center for Human Movement Sciences, University of Groningen, University Medical Center Groningen , The Netherlands
| | - Manuel Coelho-E-Silva
- CIDAF (UID/DTP/04213/2019), University of Coimbra , Coimbra, Portugal.,Faculty of Sports Sciences and Physical Education, University of Coimbra , Coimbra, Portugal
| | - Barbara C H Huijgen
- Center for Human Movement Sciences, University of Groningen, University Medical Center Groningen , The Netherlands.,Department of Psychology, University of Groningen , Groningen, The Netherlands
| | - Marije T Elferink-Gemser
- Center for Human Movement Sciences, University of Groningen, University Medical Center Groningen , The Netherlands
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32
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Gomez MÁ, Rivas F, Connor JD, Leicht AS. Performance Differences of Temporal Parameters and Point Outcome between Elite Men's and Women's Badminton Players According to Match-Related Contexts. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16214057. [PMID: 31652686 PMCID: PMC6862575 DOI: 10.3390/ijerph16214057] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 10/19/2019] [Accepted: 10/21/2019] [Indexed: 02/01/2023]
Abstract
Background: the aim of the present study was to identify the temporal and notational performance differences between elite men’s and women’s badminton players according to match type and set. Methods: the sample was composed of 60 men’s and 60 women’s matches classified by match type or duration: short (lower quartile), long (upper quartile) and regular matches (interquartile range). Temporal and notational variables were analysed for each match and compared between sexes accounting for match duration. Results: greater intensity for most variables (i.e., rally time, rest time, density, and strokes per match/rally) was exhibited in men’s matches compared with women’s matches (i.e., higher frequency between strokes). In addition, the greater intensity for men compared to women was more pertinent during long matches (13 significant variables) and less evident during short matches (six significant variables). Point outcome displayed similar trends for each sex during matches with more winners for men’s players when serving and more unforced errors for women’s players. Lastly, based on each match type, fewer sex differences were noted during sets 2 and 3, as the match progressed. Conclusion: men’s players performed at a greater intensity than women’s players for different match and set contexts, with this sex difference enhanced when controlling for match type and set. The development of sex- and match-specific scenarios will assist coaches and trainers in the design of specific training drills to enhance the athletic performance of elite badminton players.
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Affiliation(s)
- Miguel-Ángel Gomez
- Department of Social Sciences, Physical Activity, Sport and Leisure, Polytechnic University of Madrid, 28031 Madrid, Spain.
| | - Fernando Rivas
- Department of Social Sciences, Physical Activity, Sport and Leisure, Polytechnic University of Madrid, 28031 Madrid, Spain.
- Spanish Badminton Federation, 28040 Madrid, Spain.
| | - Jonathan D Connor
- Sport and Exercise Science, James Cook University, 4814 Townsville, Australia.
| | - Anthony S Leicht
- Sport and Exercise Science, James Cook University, 4814 Townsville, Australia.
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33
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Contextual cue utilization in visual anticipation in tennis: On the role of an opponent’s on-court position and skill. GERMAN JOURNAL OF EXERCISE AND SPORT RESEARCH 2019. [DOI: 10.1007/s12662-019-00597-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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