Analysis of Specific Physical Fitness in High-Level Table Tennis Players—Sex Differences
Abstract
:1. Introduction
2. Materials and Methods
2.1. Participants
2.2. Procedure
2.3. Antrhopometric Measurement
2.4. Vertical Jump Measurement
2.5. Hand Grip Strength Assessment
2.6. Accelerations, Lateral Displacements and Reaction Time Measurement
2.7. Maximal Incremental Test
2.8. Statistical Analysis
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
- Pradas, F.; de la Torre, A.; Castellar, C.; Toro-Román, V. Physiological Profile, Metabolic Response, and Temporal Structure in Elite Individual Table Tennis: Differences According to Gender. Int. J. Environ. Res. Public Health 2021, 18, 11898. [Google Scholar] [CrossRef] [PubMed]
- Pradas, F.; Ara, I.; Toro, V.; Courel-Ibáñez, J. Benefits of Regular Table Tennis Practice in Body Composition and Physical Fitness Compared to Physically Active Children Aged 10–11 Years. Int. J. Environ. Res. Public Health 2021, 18, 2854. [Google Scholar] [CrossRef]
- Zagatto, A.M.; Morel, E.A.; Gobatto, C.A. Physiological responses and characteristics of table tennis matches determined in official tournaments. J. Strength Cond. Res. 2010, 24, 942–949. [Google Scholar] [CrossRef] [PubMed]
- Zagatto, A.M.; de Mello Leite, J.V.; Papoti, M.; Beneke, R. Energetics of Table Tennis and Table Tennis–Specific Exercise Testing. Int. J. Sports Physiol. Perform. 2016, 11, 1012–1017. [Google Scholar] [CrossRef] [PubMed]
- de Mello Leite, J.V.; Barbieri, F.A.; Miyagi, W.; de Souza Malta, E.; Zagatto, A.M. Influence of game evolution and the phase of competition on temporal game structure in high-level table tennis tournaments. J. Hum. Kinet. 2017, 55, 55. [Google Scholar] [CrossRef] [PubMed] [Green Version]
- Faber, I.R.; Elferink-Gemser, M.T.; Oosterveld, F.G.J.; Twisk, J.W.R.; Nijhuis-Van der Sanden, M.W.G. Can an early perceptuo-motor skills assessment predict future performance in youth table tennis players? An observational study (1998–2013). J. Sports Sci. 2017, 35, 593–601. [Google Scholar] [CrossRef] [PubMed]
- Major, Z.; Lang, R.W. Characterization of table tennis racket sandwich rubbers. In Science and Racket Sports III: The Proceedings of the Eighth International Table Tennis Federation Sports Science Congress and the Third World Congress of Science and Racket Sports; Routledge: London, UK; New York, NY, USA, 2005; pp. 146–151. [Google Scholar]
- Tang, H.; Mizoguchi, M.; Toyoshima, S. Speed and spin characteristics of the 40mm table tennis ball. Int. J. Table Tennis Sci. 2002, 5, 278–284. [Google Scholar]
- Pradas de la Fuente, F.; Salvá Martínez, P.; González Campos, G.; González Jurado, J.A. Analysis of performace indicators that define the modern table tennis. J. Sport Health Res. 2015, 7, 149–162. [Google Scholar]
- Padulo, J.; Di Giminiani, R.; Dello Iacono, A.; Zagatto, A.M.; Migliaccio, G.M.; Grgantov, Z.; Ardigò, L.P. Lower arm muscle activation during indirect-localized vibration: The influence of skill levels when applying different acceleration loads. Front. Physiol. 2016, 7, 242. [Google Scholar] [CrossRef] [Green Version]
- Ripoll, H. Uncertainty and visual strategies in table tennis. Percept. Mot. Skills 1989, 68, 507–512. [Google Scholar] [CrossRef]
- Pradas, F.; De la Torre, A.; Carrasco, L.; Muñoz, D.; Courel-Ibáñez, J.; González-Jurado, J.A. Anthropometric Profiles in Table Tennis Players: Analysis of Sex, Age, and Ranking. Appl. Sci. 2021, 11, 876. [Google Scholar] [CrossRef]
- Kondrič, M.; Zagatto, A.M.; Sekulić, D. The physiological demands of table tennis: A review. J. Sports Sci. Med. 2013, 12, 362. [Google Scholar] [PubMed]
- Limoochi, S. A survey of table tennis coaches’ opinions of some criteria in talent identification. Int. J. Table Tennis Sci. 2006, 6, 280–287. [Google Scholar]
- Faber, I.R.; Oosterveld, F.G.J.; Nijhuis-Van der Sanden, M.W.G. Does an eye-hand coordination test have added value as part of talent identification in table tennis? A validity and reproducibility study. PLoS ONE 2014, 9, e85657. [Google Scholar]
- Picabea, J.M.; Cámara, J.; Yanci, J. Physical Fitness Profiling of National Category Table Tennis Players: Implication for Health and Performance. Int. J. Environ. Res. Public Health 2021, 18, 9362. [Google Scholar] [CrossRef] [PubMed]
- Nikolić, I.; Furjan–Mandić, G.; Kondrič, M. The relationship of morphology and motor abilities to specific table tennis tasks in youngsters. Coll. Antropol. 2014, 38, 241–245. [Google Scholar] [PubMed]
- Siener, M.; Hohmann, A. Talent orientation: The impact of motor abilities on future success in table tennis. Ger. J. Exerc. Sport Res. 2019, 49, 232–243. [Google Scholar] [CrossRef]
- Pradas, F.; Sánchez-Pay, A.; Muñoz, D.; Sánchez-Alcaraz, B.J. Gender Differences in Physical Fitness Characteristics in Professional Padel Players. Int. J. Environ. Res. Public Health 2021, 18, 5967. [Google Scholar] [CrossRef]
- Meckel, Y.; Doron, O.; Eliakim, E.; Eliakim, A. Seasonal variations in physical fitness and performance indices of elite soccer players. Sports 2018, 6, 14. [Google Scholar] [CrossRef] [Green Version]
- Ostojic, S.M.; Mazic, S.; Dikic, N. Profiling in basketball: Physical and physiological characteristics of elite players. J. Strength Cond. Res. 2006, 20, 740. [Google Scholar] [CrossRef]
- Granados, C.; Izquierdo, M.; Ibanez, J.; Ruesta, M.; Gorostiaga, E.M. Effects of an entire season on physical fitness in elite female handball players. Med. Sci. Sport. Exerc. 2008, 40, 351–361. [Google Scholar] [CrossRef] [Green Version]
- Sánchez-Muñoz, C.; Muros, J.J.; Cañas, J.; Courel-Ibáñez, J.; Sánchez-Alcaraz, B.J.; Zabala, M. Anthropometric and physical fitness profiles of world-class male padel players. Int. J. Environ. Res. Public Health 2020, 17, 508. [Google Scholar] [CrossRef] [Green Version]
- Dobos, K.; Novak, D.; Barbaros, P. Neuromuscular Fitness Is Associated with Success in Sport for Elite Female, but Not Male Tennis Players. Int. J. Environ. Res. Public Health 2021, 18, 6512. [Google Scholar] [CrossRef]
- Ulbricht, A.; Fernandez-Fernandez, J.; Mendez-Villanueva, A.; Ferrauti, A. Impact of fitness characteristics on tennis performance in elite junior tennis players. J. Strength Cond. Res. 2016, 30, 989–998. [Google Scholar] [CrossRef] [PubMed]
- Mikel Picabea, J.; Camara, J.; Yanci, J. Physical fitness analysis in male and female table tennis players and their relationship to competition performance. RICYDE-Revista Int. Cienc. Deport. 2017, 13, 39–51. [Google Scholar] [CrossRef]
- Milioni, F.; Leite, J.V.d.M.; Beneke, R.; De Poli, R.A.B.; Papoti, M.; Zagatto, A.M. Table tennis playing styles require specific energy systems demands. PLoS ONE 2018, 13, e0199985. [Google Scholar]
- Rodríguez-Rosell, D.; Mora-Custodio, R.; Franco-Márquez, F.; Yáñez-García, J.M.; González-Badillo, J.J. Traditional vs. sport-specific vertical jump tests: Reliability, validity, and relationship with the legs strength and sprint performance in adult and teen soccer and basketball players. J. Strength Cond. Res. 2017, 31, 196–206. [Google Scholar] [CrossRef]
- Bosco, C.; Luhtanen, P.; Komi, P.V. A simple method for measurement of mechanical power in jumping. Eur. J. Appl. Physiol. Occup. Physiol. 1983, 50, 273–282. [Google Scholar] [CrossRef]
- Sayers, S.P.; Harackiewicz, D.V.; Harman, E.A.; Frykman, P.N.; Rosenstein, M.T. Cross-validation of three jump power equations. Med. Sci. Sports Exerc. 1999, 31, 572–577. [Google Scholar] [CrossRef]
- Ortega, F.B.; Artero, E.G.; Ruiz, J.R.; España-Romero, V.; Jiménez-Pavón, D.; Vicente-Rodríguez, G.; Moreno, L.A.; Manios, Y.; Beghin, L.; Ottevaere, C. Physical fitness levels among European adolescents: The HELENA study. Br. J. Sports Med. 2011, 45, 20–29. [Google Scholar] [CrossRef] [Green Version]
- Castellar, C.; Pradas, F.; Carrasco, L.; La Torre, A.D.; González-Jurado, J.A. Analysis of reaction time and lateral displacements in national level table tennis players: Are they predictive of sport performance? Int. J. Perform. Anal. Sport 2019, 19, 467–477. [Google Scholar] [CrossRef]
- Hedges, L.V. Distribution theory for Glass’s estimator of effect size and related estimators. J. Educ. Stat. 1981, 6, 107–128. [Google Scholar] [CrossRef]
- Pluta, B.; Galas, S.; Krzykała, M.; Andrzejewski, M. The Motor and Leisure Time Conditioning of Young Table Tennis Players’ Physical Fitness. Int. J. Environ. Res. Public Health 2020, 17, 5733. [Google Scholar] [CrossRef] [PubMed]
- Pluta, B.; Galas, S.; Krzykała, M.; Andrzejewski, M.; Podciechowska, K. Somatic Characteristics and Special Motor Fitness of Young Top-Level Polish Table Tennis Players. Int. J. Environ. Res. Public Health 2021, 18, 5279. [Google Scholar] [CrossRef] [PubMed]
- Pradas, F.; Vargas, M.; Herrero, R.; Ortega, R. Evaluation of the isometric maximal force of the superior extremities in high level table tennis players. In Proceedings of the Ninth International Table Tennis Federation Sports Science Congress, Beijing, China, 27–28 May 2006; pp. 3–10. [Google Scholar]
- Chanavirut, R.; Udompanich, N.; Udom, P.; Yonglitthipagon, P.; Donpunha, W.; Nakmareong, S.; Yamauchi, J. The effects of strengthening exercises for wrist flexors and extensors on muscle strength and counter-stroke performance in amateur table tennis players. J. Bodyw. Mov. Ther. 2017, 21, 1033–1036. [Google Scholar] [CrossRef] [PubMed]
- Castellar, C.; Pradas, F.; Quintas, A.; Arraco, S.; Pérez, J.B. Perfil condicional de jugadoras de pádel de élite. Rev. Andaluza Med. Deport. 2017, 8, 185. [Google Scholar] [CrossRef] [Green Version]
- Fernandez-Fernandez, J.; Ulbricht, A.; Ferrauti, A. Fitness testing of tennis players: How valuable is it. Br. J. Sports Med. 2014, 48. [Google Scholar] [CrossRef] [Green Version]
- Kwon, S.; Pfister, R.; Hager, R.L.; Hunter, I.; Seeley, M.K. Influence of tennis racquet kinematics on ball topspin angular velocity and accuracy during the forehand groundstroke. J. Sports Sci. Med. 2017, 16, 505. [Google Scholar]
- Zemková, E.; Muyor, J.M.; Jeleň, M. Association of trunk rotational velocity with spine mobility and curvatures in para table tennis players. Int. J. Sports Med. 2018, 39, 1055–1062. [Google Scholar] [CrossRef]
- Baiget, E. Strength training for improving hitting speed in tennis. J. Sport Health Res. 2011, 3, 229–244. [Google Scholar]
- Pradas, F.a.; De Teresa, C.; Vargas, M. Evaluation of the isometric maximal force of the superior extremities in high level table tennis players. Sport Sci. Res. 2005, 26, 86. [Google Scholar]
- Qian, J.; Zhang, Y.; Baker, J.S.; Gu, Y. Effects of performance level on lower limb kinematics during table tennis forehand loop. Acta Bioeng. Biomech. 2016, 18, 149–155. [Google Scholar] [PubMed]
- He, Y.; Lv, X.; Zhou, Z.; Sun, D.; Baker, J.S.; Gu, Y. Comparing the kinematic characteristics of the lower limbs in table tennis: Differences between diagonal and straight shots using the forehand loop. J. Sports Sci. Med. 2020, 19, 522. [Google Scholar]
- Ducher, G.; Jaffré, C.; Arlettaz, A.; Benhamou, C.-L.; Courteix, D. Effects of long-term tennis playing on the muscle-bone relationship in the dominant and nondominant forearms. Can. J. Appl. Physiol. 2005, 30, 3–17. [Google Scholar] [CrossRef] [PubMed]
- Girard, O.; Millet, G.P. Physical determinants of tennis performance in competitive teenage players. J. Strength Cond. Res. 2009, 23, 1867–1872. [Google Scholar] [CrossRef] [PubMed]
- Lijewski, M.; Burdukiewicz, A.; Pietraszewska, J.; Andrzejewska, J.; Stachoń, A. Asymmetry of Muscle Mass Distribution and Grip Strength in Professional Handball Players. Int. J. Environ. Res. Public Health 2021, 18, 1913. [Google Scholar] [CrossRef]
- Carrasco, L.; Pradas, F.; Floría, P.; Martínez, A.; Herrero, R.; Jurado, J. Grip strength in young top-level table tennis players. Int. J. Table Tennis Sci. 2010, 6, 64–67. [Google Scholar]
- Martínez, E.; Carrasco, L.; Alcaraz, P.E.; Pradas, F.; Carrillo, J.P. Perfil antropométrico, somatotipo, composición corporal y dinamometría manual en jóvenes jugadores de alto nivel de tenis de mesa. Act. Física Deport. Cienc. Prof. 2009, 10, 53–58. [Google Scholar]
- Ivanovic, J.; Dopsaj, M. Functional dimorphism and characteristics of maximal hand grip force in top level female athletes. Coll. Antropol. 2012, 36, 1231–1240. [Google Scholar]
- Bosco, C. La Fuerza Muscular: Aspectos Metodológicos; Inde: Barcelona, Spain, 2000; Volume 307, ISBN 8495114542. [Google Scholar]
- Allen, G.D. Physiological-characteristics of elite Australian table-tennis athletes and their responses to high-level competition. J. Hum. Mov. Stud. 1991, 20, 133–147. [Google Scholar]
- Baron, R.; Petschnig, R.; Bachl, N.; Raberger, G.; Smekal, G.; Kastner, P. Catecholamine excretion and heart rate as factors of psychophysical stress in table tennis. Int. J. Sports Med. 1992, 13, 501–505. [Google Scholar] [CrossRef] [PubMed]
- Bosco, C.; Ito, A.; Komi, P.V.; Luhtanen, P.; Rahkila, P.; Rusko, H.; Viitasalo, J.T. Neuromuscular function and mechanical efficiency of human leg extensor muscles during jumping exercises. Acta Physiol. Scand. 1982, 114, 543–550. [Google Scholar] [CrossRef] [PubMed]
- Pradas, F.; De Teresa, C.; Vargas, M. Evaluation of the explosive strength and explosive elastic forces of the legs in high level table tennis players. Sport Sci. Res. 2005, 26, 80. [Google Scholar]
- de la Fuente Francisco, P.; Carlos, C.O.; Nicolae, O. Analysis of explosive and elastic-explosive strength of lower limbs in spanish young top-level table tennis players. Gymnasium 2013, 14, 21. [Google Scholar]
- Pradas, F.; García-Giménez, A.; Toro-Román, V.; Ochiana, N.; Castellar, C. Gender Differences in Neuromuscular, Haematological and Urinary Responses during Padel Matches. Int. J. Environ. Res. Public Health 2021, 18, 5864. [Google Scholar] [CrossRef]
- Fuchs, M.; Faude, O.; Wegmann, M.; Meyer, T. Critical evaluation of a badminton-specific endurance test. Int. J. Sports Physiol. Perform. 2014, 9, 249–255. [Google Scholar] [CrossRef]
- Hung, T.-M.; Spalding, T.W.; Santa Maria, D.L.; Hatfield, B.D. Assessment of reactive motor performance with event-related brain potentials: Attention processes in elite table tennis players. J. Sport Exerc. Psychol. 2004, 26, 317–337. [Google Scholar] [CrossRef] [Green Version]
- Piras, A.; Lanzoni, I.M.; Raffi, M.; Persiani, M.; Squatrito, S. The within-task criterion to determine successful and unsuccessful table tennis players. Int. J. Sports Sci. Coach. 2016, 11, 523–531. [Google Scholar] [CrossRef]
- Akpinar, S.; Devrilmez, E.; Kirazci, S. Coincidence-anticipation timing requirements are different in racket sports. Percept. Mot. Skills 2012, 115, 581–593. [Google Scholar] [CrossRef]
- Hülsdünker, T.; Ostermann, M.; Mierau, A. The speed of neural visual motion perception and processing determines the visuomotor reaction time of young elite table tennis athletes. Front. Behav. Neurosci. 2019, 13, 165. [Google Scholar] [CrossRef] [Green Version]
- Toriola, A.L.; Toriola, O.M.; Igbokwe, N.U. Validity of specific motor skills in predicting table-tennis performance in novice players. Percept. Mot. Skills 2004, 98, 584–586. [Google Scholar] [CrossRef] [PubMed]
- Silverman, I.W. Sex differences in simple visual reaction time: A historical meta-analysis. Sex Roles 2006, 54, 57–68. [Google Scholar] [CrossRef]
- Pradas, F.; Castellar, C.; Quintas, A.; Arracó, S.I. Análisis de la condición física de jugadores de pádel de élite. In Innovación e Investigación en Pádel; Courel-Ibáñez, J., Sánchez-Alcaraz, B., Cañas, J., Eds.; Wanceulen SL: Sevilla, Spain, 2016; pp. 79–95. [Google Scholar]
- Pradas, F.; Carrasco, L.; Izaguerri, B. Reaction capacity, acceleration and velocity in a specific displacement after visual stimulus in young table tennis players. In Proceedings of the 10th Anniversary ITTF Sports Science Congress, Zagreb, Croatia, 18–20 May 2007; pp. 302–310. [Google Scholar]
Male (n = 24) | Range | Female (n = 24) | Range | ||
---|---|---|---|---|---|
Age (years) | 25.38 ± 4.01 | 19–38 | 22.33 ± 3.83 | 10–22 | |
Weight (kg) | 69.96 ± 9.26 | 50.80–89.60 | 57.63 ± 6.19 | 48.30–69.80 | |
Height (m) | 1.76 ± 0.06 | 1.62–1.88 | 1.66 ± 0.06 | 1.52–1.75 | |
BMI (kg-m−2) | 22.60 ± 2.34 | 18.86–27.25 | 20.94 ± 1.62 | 18.33–24.42 | |
Experience (years) | 16.04 ± 4.12 | 9–30 | 13.25 ± 3.86 | 10–22 | |
Laterality (%) | Left-handed | 29.2 | - | 16.6 | - |
Right-handed | 70.8 | - | 83.3 | - | |
Playing style (%) | Offensive | 95.9 | - | 87.5 | - |
Defensive | 4.1 | - | 12.5 | - |
Male (n = 24) | Range | Female (n = 24) | Range | p | ES | |
---|---|---|---|---|---|---|
VO2max (l-min−1) | 3.72 ± 0.73 | 2.65–5.25 | 2.54 ± 0.39 | 1.72–3.22 | <0.001 | 1.16 |
VO2max (mL-kg-min−1) | 53.00 ± 6.03 | 41.00–63.10 | 44.21 ± 5.69 | 32.65–54.30 | <0.001 | 1.52 |
HRmax (beats-min−1) | 194.63 ± 6.38 | 176.0–207.0 | 195.54 ± 4.69 | 184.0–200.0 | 0.904 | 0.17 |
Male (n = 24) | Range | Female (n = 24) | Range | p | ES | |
---|---|---|---|---|---|---|
Dominant (kg) | 44.48 ± 6.15 | 35.20–55.00 | 28.89 ± 3.52 | 23.50–37.60 | <0.001 | 2.15 |
Non dominant (kg) | 41.04 ± 6.85 | 28.50–54.10 | 24.61 ± 3.60 | 20.50–33.00 | <0.001 | 2.90 |
Male (n = 24) | Range | Female (n = 24) | Range | p | ES | |
---|---|---|---|---|---|---|
Flight time SJ (s) | 0.515 ± 0.04 | 0.430–0.573 | 0.434 ± 0.04 | 0.332–0.515 | <0.001 | 1.62 |
Height SJ (cm) | 32.83 ± 5.33 | 22.60–40.30 | 23.67 ± 5.00 | 13.50–32.50 | <0.001 | 1.72 |
Power SJ (W) | 3106.78 ± 544.88 | 1867.2–4141.7 | 1991.98 ± 470.69 | 984.1–2898.5 | <0.001 | 1.85 |
Power SJ (W-kg−1) | 44.32 ± 4.89 | 33.17–51.37 | 34.28 ± 5.88 | 20.08–44.05 | <0.001 | 1.67 |
Flight time CMJ (s) | 0.539 ± 0.04 | 0.463–0.609 | 0.467 ± 0.05 | 0.390–0.567 | <0.001 | 1.54 |
Height CMJ (cm) | 35.74 ± 5.65 | 26.30–44.40 | 27.17 ± 6.13 | 18.60–39.20 | <0.001 | 1.48 |
Power CMJ (W) | 3269.16 ± 550.20 | 2016.7–4258.4 | 2220.81 ± 482.56 | 1421.9–3151.7 | <0.001 | 1.33 |
Power CMJ (W-kg−1) | 46.63 ± 4.47 | 38.42–53.51 | 38.30 ± 6.00 | 29.02–49.36 | <0.001 | 1.71 |
Male (n = 24) | Range | Female (n = 24) | Range | p | ES | |
---|---|---|---|---|---|---|
Displacement time NDS (s) | 1.941 ± 0.104 | 1.77–2.15 | 2.208 ± 0.105 | 1.92–2.43 | <0.001 | 0.78 |
Displacement time DS (s) | 1.913 ± 0.134 | 1.63–2.16 | 2.178 ± 0.007 | 2.05–2.32 | <0.001 | 0.84 |
Reaction time NDS (s) | 0.692 ± 0.108 | 0.50–0.94 | 0.636 ± 0.139 | 0.49–1.10 | 0.218 | 0.11 |
Reaction time DS (s) | 0.724 ± 0.143 | 0.49–0.89 | 0.581 ± 0.139 | 0.13–0.72 | 0.007 | 0.30 |
Acceleration NDS (m-s2) | 1.249 ± 0.149 | 0.83–1.43 | 1.572 ± 0.104 | 1.32–1.69 | <0.001 | 0.68 |
Acceleration DS (m-s2) | 1.189 ± 0.196 | 0.91–1.58 | 1.597 ± 0.126 | 1.37–1.92 | <0.001 | 0.85 |
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Pradas, F.; Toro-Román, V.; de la Torre, A.; Moreno-Azze, A.; Gutiérrez-Betancur, J.F.; Ortega-Zayas, M.Á. Analysis of Specific Physical Fitness in High-Level Table Tennis Players—Sex Differences. Int. J. Environ. Res. Public Health 2022, 19, 5119. https://doi.org/10.3390/ijerph19095119
Pradas F, Toro-Román V, de la Torre A, Moreno-Azze A, Gutiérrez-Betancur JF, Ortega-Zayas MÁ. Analysis of Specific Physical Fitness in High-Level Table Tennis Players—Sex Differences. International Journal of Environmental Research and Public Health. 2022; 19(9):5119. https://doi.org/10.3390/ijerph19095119
Chicago/Turabian StylePradas, Francisco, Víctor Toro-Román, Ana de la Torre, Alejandro Moreno-Azze, Juan Francisco Gutiérrez-Betancur, and Miguel Ángel Ortega-Zayas. 2022. "Analysis of Specific Physical Fitness in High-Level Table Tennis Players—Sex Differences" International Journal of Environmental Research and Public Health 19, no. 9: 5119. https://doi.org/10.3390/ijerph19095119