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Session-To-Session Variations of External Load Measures of Youth Soccer Players in Medium-Sided Games

Author

Listed:
  • Filipe Manuel Clemente

    (Polytechnic Institute of Viana do Castelo, School of Sport and Leisure, 4960-320 Melgaço, Portugal
    Institute of Tellecomunications, Covilhã Delegation, 6200-001 Covilhã, Portugal)

  • Alireza Rabbani

    (Medical and Performance Department, Sporting Clube de Portugal, 2890-529 Alcochete, Portugal)

  • Mehdi Kargarfard

    (Department of Exercise Physiology, Faculty of Sports Sciences, University of Isfahan, HezarJerib str., Isfahan 81746-73441, Iran)

  • Pantelis Theodoros Nikolaidis

    (Exercise Physiology Laboratory, 18450 Nikaia, Greece)

  • Thomas Rosemann

    (Institute of Primary Care, University of Zurich, 8091 Zurich, Switzerland)

  • Beat Knechtle

    (Institute of Primary Care, University of Zurich, 8091 Zurich, Switzerland
    Medbase St. Gallen Am Vadianplatz, 9001 St. Gallen, Switzerland)

Abstract

The aim of this study was to analyze the variability of time-motion variables during five vs. five games when completed within the same session as, and between, two different sessions. Ten under-19 male soccer players (18.27 ± 0.47 years old) participated in this study. The five vs. five matches (3 × 5 min) were played twice with a 3-day interval of rest in the same week. Moderate between-session variations were observed for TD (total distance) (range coefficient of variation (CV), 6.9; 8.3%, confidence interval (CI), (5.0; 14.0), standardized typical error (STE), 0.68; 1.06, (0.64; 1.75)) and RD (running distance) (range CV, 53.3; 145.7%, (36.6; 338.9), STE, 0.83; 1.09, (0.60; 1.76)). PL (player load) showed small variations (range CV, 4.9; 6.0%, [3.6; 10.1], STE, 0.37; 0.43, (0.27; 0.71)). In within-session analyses for examining the differences between sets, a small decrease was observed in RD in set 3 versus set 2 (−14.8%, 90% CI (−32.1; 6.9%); standardized difference (ES): −0.39 (0.95; 0.16)). TD decreased with moderate (−3.5%, (−6.8; −0.1%); ES: −0.65(−1.30; −0.01)) and large (−8.2%, (−11.4; −4.9%); ES: −1.58(−2.24; −0.92)) effects in sets 2 and 3, respectively, versus set 1. Our results suggest that PL is the most stable performance variable. It was also verified that measures had a progressive decreasing tendency within a session.

Suggested Citation

  • Filipe Manuel Clemente & Alireza Rabbani & Mehdi Kargarfard & Pantelis Theodoros Nikolaidis & Thomas Rosemann & Beat Knechtle, 2019. "Session-To-Session Variations of External Load Measures of Youth Soccer Players in Medium-Sided Games," IJERPH, MDPI, vol. 16(19), pages 1-10, September.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:19:p:3612-:d:271072
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