Effects of manipulations of player numbers vs. field dimensions on inter-individual coordination during small-sided games in youth football

SILVA, Pedro, ESTEVES, Pedro, CORREIA, Vanda, DAVIDS, Keith, ARAÚJO, Duarte and GARGANTA, Julio (2015). Effects of manipulations of player numbers vs. field dimensions on inter-individual coordination during small-sided games in youth football. International Journal of Performance Analysis in Sport, 15 (2), 641-659.

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Abstract

The relative space per player formulated in small-sided and conditioned games can be manipulated either by promoting variations in player numbers or by modifying field dimensions. In this study we analysed how the same relative spaces per player, obtained through manipulations of player numbers and field dimensions, influenced inter-individual coordination. The positional data (GPS, 10 Hz) of 24 U-15 yrs performing in three different relative spaces per player (118, 133 and 152m2) was used. Inter-individual behavioural measures included: (i) effective relative space per player, (ii) radius of free movement; (iii) numerical relations inside each player’s relative space per player; and (iv) players’ spatial distribution variability. Magnitude-based inferences were used to analyse the practical significance of the selected variables. Results showed that manipulations of player numbers elicited more free space in the vicinity of each player. However, more advantageous numerical relations adjacent to each individual player and broader individual spatial distributions on field were observed during manipulations of field dimensions. These findings highlight the complex nature of performance behaviours captured by the co-adaptation of players to surrounding spatial constraints. Sport pedagogists should carefully evaluate the use of player numbers and field dimensions as strategies to simulate constraints of specific game contexts.

Item Type:	Article
Additional Information:	** From Crossref via Jisc Publications Router.
Uncontrolled Keywords:	Physical Therapy, Sports Therapy and Rehabilitation, Orthopedics and Sports Medicine
Research Institute, Centre or Group - Does NOT include content added after October 2018:	Centre for Sports Engineering Research
Identification Number:	https://doi.org/10.1080/24748668.2015.11868821
Page Range:	641-659
SWORD Depositor:	Hilary Ridgway
Depositing User:	Hilary Ridgway
Date Deposited:	07 Dec 2017 10:16
Last Modified:	18 Mar 2021 16:24
URI:	https://shura.shu.ac.uk/id/eprint/17435

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