Setting Kinematic Parameters That Explain Youth Basketball Behavior: Influence of Relative Age Effect According to Playing Position

José Pino Ortega ^[1] ; Carlos David Gómez Carmona ^[2] ; Fábio Yuzo Nakamura ^[3] ; Daniel Rojas Valverde ^[2]
1. [1] Universidad de Murcia
  
  Universidad de Murcia
  
  Murcia, España
2. [2] Universidad de Extremadura
  
  Universidad de Extremadura
  
  Badajoz, España
3. [3] James Cook University
  
  James Cook University
  
  Australia
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Localización: Journal of strength and conditioning research: the research journal of the NSCA, ISSN 1064-8011, Vol. 36, Nº. 3, 2022, págs. 820-826
Idioma: inglés
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Resumen
- The aims of the present study were to (a) set kinematic behavior parameters during official matches by principal component analysis (PCA), (b) examine the distribution of birth dates in competitive basketball, differentiating by playing position, and (c) analyze the relative age effect (RAE) on kinematic performance according to playing position. A total of 94 young elite athletes participated in an official U18 Euroleague tournament (8 clubs, 4 days, 3 games). Kinematic motion variables were measured using an inertial device worn by all players during matches. A total of 252 variables were measured, a PCA was performed to select them for final analysis and 3 principal components and 6 variables were extracted (maximum acceleration [MAcc], average acceleration [PAcc], landing 8-100 G [Ldg 8-100 g[middle dot]min-1], relative distance [RD], jump average take off [MJumpsTO], and jump average landing [MJumpsLdg]). These variables explained 66.3% of total variance. Differences were found in RD (p = 0.04; = 0.02), PAcc (p = 0.04;