Performance-Structure Analysis of Elite Junior Boy Tennis Players

Dobos, Károly

doi:10.24193/subbeag.63(3).21

Cited by 2 publications

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“…No significant correlation was found between serve speed and the test measuring hand and shoulder girdle flexibility in this study. However, a previous study [ 31 ] conducted on tennis players of a similar age group (14.30 ± 2.22 years old) but different sexes revealed a connection between shoulder joint flexibility and serve speed. It is worth noting that shoulder joint flexibility tends to decrease with age, particularly among younger tennis players who experience repetitive and one-sided upper body loads inherent to this sport.…”

Section: Discussionmentioning

confidence: 88%

Neuromuscular Fitness Is Associated with Serve Speed in Young Female Tennis Players

Bilić,

Martić,

Barbaros

et al. 2024

Sports

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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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Section: Discussionmentioning

confidence: 88%

Neuromuscular Fitness Is Associated with Serve Speed in Young Female Tennis Players

Bilić,

Martić,

Barbaros

et al. 2024

Sports

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Within-Session Reliability and Validity of Overhand Ball Throw Test to Evaluate Power Ability in Junior Tennis Players

Dobos

TÓTH

2021

Studia UBB Educatio Artis Gymn.

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"ABSTRACT. Introduction: Coaches should be able to estimate successfully different physical attributes of junior tennis player’s performance such as power, in order to monitor players’ progress and to design the most appropriate training program. However, this process requires reliable and valid field tests. Objective: Aim of this study was to examine absolute and relative reliability of overhand ball throw (OBT) test within testing session and to investigate its validity. Methods: 257 Hungarian junior boy and girl tennis players (aged 11- 17) separated into four groups, performed OBT and serve speed (SS) tests of standardised protocol. Results: Dependent sample t-test revealed no significant (p= 0.31-57>0.05) difference between test and retest sample means within testing session and magnitude of effect size (dz=0.1-0.5) were trivial for all groups. Furthermore, all groups had low typical percentage error (CV= 3-4 %), and standard error of measurement values was consistently low (SEM= 0.12- 0.18). Within test-retest consistency illustrated strong relative reliability (ICC= 0.98-0.99). Moreover, significantly large to very large positive correlations were found between OBT and SS (r= 0.57-0.81; p˂0.01) tests. The coefficient of determination indicated that OBT explained 32-65% of the SS for groups. Conclusions: These findings suggest that absolute and relative reliability of OBT test is high within testing session and validity of OBT test is acceptable for measuring power ability of flat serve execution in junior tennis players."

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Performance-Structure Analysis of Elite Junior Boy Tennis Players

Cited by 2 publications

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Neuromuscular Fitness Is Associated with Serve Speed in Young Female Tennis Players

Neuromuscular Fitness Is Associated with Serve Speed in Young Female Tennis Players

Within-Session Reliability and Validity of Overhand Ball Throw Test to Evaluate Power Ability in Junior Tennis Players

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