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Purpose:
This study investigated the effects of time-of-day on aerobic and anaerobic performances during the Yo-Yo, repeated sprint ability (RSA) and the Wingate tests in young soccer players.
Asian Journal of Sports Medicine
Sports Medicine Research Center, TUMS
Diurnal Variations in Physical Performances Related to Football in Young Soccer Players
Author(s):
2Research Unit, High Institute of Sport and Physical Education, Sfax University, Tunisia
1Research Laboratory Sports performance Optimization National Center of Medicine and Science in Sports (CNMSS), Tunis, Tunisia
3High Institute of Sport and Physical Education, Ksar-Sad, Manouba University, Tunisia
Published online:Aug 31, 2012
Article type:Research Article
Received:Jan 08, 2012
Accepted:Apr 12, 2012
How to Cite:Chtourou H, Hammouda O, Souissi H, Chamari K, Chaouachi A, et al. Diurnal Variations in Physical Performances Related to Football in Young Soccer Players. Asian J Sports Med. 2012;3(3):34604. doi: https://doi.org/10.5812/asjsm.34604
Abstract
Methods:
In a counterbalanced and a random order, twenty junior male soccer players completed the Yo-Yo, the RSA, and the Wingate tests at two different times-of-day: 07:00 and 17:00 h. During the Yo-Yo test, the total distance (TD) covered and the estimated maximal aerobic velocity (MAV) were determined. The peak power (PP) during each sprint, the percentage of decrement of PP (PD) and total work (Wtotal) during the RSA test were, also, measured. In addition, during the Wingate test, the peak (Ppeak) and mean (Pmean) powers were recorded.
Results:
During the Wingate test, Ppeak and Pmean were significantly higher at 17:00 than 07:00 h (
Conclusions:
The present study confirms the daily variations of both aerobic and anaerobic performances during the Yo-Yo, the RSA, and the Wingate tests in trained young Tunisian soccer players.
Copyright
© 2012, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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