Dynamic balance in male youth soccer players: the role of anthropometric and physical ﬁtness factors
1Department of Sport Culture, Dongguk University, Seoul, Korea
2Graduate School of Physical Education, Myongji University, Yongin, Korea
3Department of Sports Science, Korea Institute of Sport Science, Seoul, Korea
4Department of Physical Education, Kookmin University, Seoul, Korea
5Oﬃce of Academic Affairs, Konkuk University, Chungju, Korea
Online publish date: 28 January 2021
Background: The purpose of this study was to analyze the factors needed to improve the dynamic balance of youth soccer players.
Methods: A total of 170 youth soccer players (84 U-15 and 86 U-18 players) participated in this study. Their anthropometric (height, weight, and body fat percentage) and physical ﬁtness (dynamic balance, muscle strength, power, core strength, agility, reaction time, and ﬂexibility) characteristics were evaluated. To investigate the effects of these factors on dynamic balance, a multiple regression analysis was conducted.
Results: The results showed that the weight (P = 0.008) and back muscle strength (P = 0.039); and actions, such as sit-up (P = 0.017), countermovement jump (P = 0.019), and trunk forward ﬂexion (P = 0.009) were signiﬁcant factors affecting balance in all the soccer players of this study (R2 = 0.265). In the U-15 group, only the countermovement jump (P = 0.019) was found to signiﬁcantly inﬂuence dynamic balance (R2 = 0.275). In contrast, in the U-18 group, weight (P = 0.002), sit-up action (P < 0.001), countermovement jump (P = 0.019), and trunk forward ﬂexion (P = 0.011) were found to affect dynamic balance (R2 = 0.439).
Conclusion: Our study suggests that muscle strength, power, ﬂexibility, and core strength are needed to improve the dynamic balance of youth soccer players.
Youth soccer player; Dynamic balance; Muscle power; Core strength; Flexibility; Training
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