Biology of Sport
eISSN: 2083-1862
ISSN: 0860-021X
Biology of Sport
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1/2023
vol. 40
 
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abstract:
Original paper

Body size, maturation and motor performance in young soccer players: relationship to technical actions in small-sided games

Julio Cesar da Costa
1
,
Paulo Henrique Borges
2
,
Luiz Fernando Ramos-Silva
1
,
Vinicius Muller Reis Weber
1
,
Alexandre Moreira
3
,
Enio Ricardo Vaz Ronque
1

1.
Laboratory of Physcial Activity and Health, Center of Physical Education and Sports, Londrina State University – UEL, Londrina, Paraná, Brazil
2.
Department of Physical Education, School of Sports, Universidade Federal de Santa Catarina, Florianópolis, Santa Catariana, Brazil
3.
Physical Education and Sport School, Sports Department, University of São Paulo, São Paulo, São Paulo, Brazil
Biol Sport. 2023;40(1):51–61.
Online publish date: 2022/01/03
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The objective of this study was to investigate the relative contributions of body size, skeletal age, and motor performance variables with technical actions through an ecological model during small-sided soccer games, and the interaction of biological maturation with technical and motor performance in young players. In this cross-sectional study, eighty-two young players (14.4 ±1.1 years), belonging to state-level soccer teams and divided by category (U-13 and U-15), were included. Players having an injury in the evaluation period were not included in the study. Measurements of body size, skeletal age (SA), motor tests, and technical actions in small-sided games (SSG) were performed (3×3 plus goalkeeper) in two periods (halves) of four minutes. Differences between age groups were found for SA (ES = -2.36), chronological age (ES = -3.89), body mass (ES = -2.09), height (ES = -1.90), and fat-free mass (ES = -2.09). Positive associations were found between body size (R = 0.43 to R = 0.48) and manipulation (R = 0.50 to R = 0.52) indicators and numbers of technical actions (CB and SS), except for stature with LB (R = -0.42) in the U-13 age group. In the U-15 category, skeletal age (R = -0.29 to R = -0.30) and body mass (R = -0.28 to R = -0.29) were negatively associated with the number of technical actions (RB, NB, LB, and OB) (P > 0.05) and positively with the balance with LB (R = 0.26). In conclusion, body size, SA, and motor performance influenced technical actions in SSG differentially in each category. U-13 heavier players and those with a better motor performance presented higher involvement due to the higher.
keywords:

Athletic performance, Soccer, Youth, Growth, Maturity

 
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