Training Load in Different Age Category Soccer Players and Relationship to Different Pitch Size Small-Sided Games.

Autor: Santos FJ; Faculty of Human Kinetics, University of Lisbon, 1499-002 Cruz Quebrada, Portugal.; Polytechnic Institute of Setúbal, School of Education, 2914-504 Setúbal, Portugal.; Life Quality Research Centre, Complexo Andaluz, Apartado, 2040-413 Rio Maior, Portugal., Figueiredo TP; Polytechnic Institute of Setúbal, School of Education, 2914-504 Setúbal, Portugal.; Life Quality Research Centre, Complexo Andaluz, Apartado, 2040-413 Rio Maior, Portugal., Filho DMP; Department of Physical Education, São Paulo State University (UNESP), Bauru 17033-360, Brazil.; Graduate Programme in Human Development and Technology, São Paulo State University (UNESP), Rio Claro 13506-900, Brazil., Verardi CEL; Department of Physical Education, São Paulo State University (UNESP), Bauru 17033-360, Brazil.; Graduate Programme in Developmental Psychology and Learning, Faculty of Science, São Paulo State University (UNESP), Bauru 17033-360, Brazil., Macedo AG; Department of Physical Education, São Paulo State University (UNESP), Bauru 17033-360, Brazil.; Graduate Programme in Human Development and Technology, São Paulo State University (UNESP), Rio Claro 13506-900, Brazil., Ferreira CC; Polytechnic Institute of Setúbal, School of Education, 2914-504 Setúbal, Portugal.; Research Group in Optimization of Training and Sport Performance (GOERD), Faculty of Sports Sciences, University of Extremadura, 10003 Caceres, Spain., Espada MC; Polytechnic Institute of Setúbal, School of Education, 2914-504 Setúbal, Portugal.; Life Quality Research Centre, Complexo Andaluz, Apartado, 2040-413 Rio Maior, Portugal.
Jazyk: angličtina
Zdroj: Sensors (Basel, Switzerland) [Sensors (Basel)] 2021 Jul 31; Vol. 21 (15). Date of Electronic Publication: 2021 Jul 31.
DOI: 10.3390/s21155220
Abstrakt: This study sought to evaluate the training load in different age category soccer players associated with distinct pitch size small-sided games (SSGs). Twenty-four soccer players (eight in each age category: U-12, U-15, and U-23) performed three consecutive 4 vs. 4 ball possession SSGs (SSG1: 16 × 24 m; SSG2: 20 × 30 m; and SSG3: 24 × 36 m) all with 3 min duration and 3 min rest. Subjects carried ultra-wideband-based position-tracking system devices (WIMU PRO, RealTrack System). Total distance covered increased from SSG1 to SSG3 in all age categories and predominantly in running speeds below 12 km·h -1 . Moreover, distance covered in 12-18 km·h -1 running speed was different in all performed SSGs and age categories. Residual or null values were observed at 18-21 km·h -1 or above running speed, namely in U-12, the only age category where metabolic power and high metabolic load distance differences occurred throughout the performed SSGs. Edwards' TRIMP differences between age categories was only observed in SSG2 (U-12 < U-15). The design of SSGs must consider that the training load of the players differs according to their age category and metabolic assessment should be considered in parallel to external load evaluation in SSGs. Wearable technology represents a fundamental support in soccer.
Databáze: MEDLINE
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