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Purpose:
The aim of this work was to investigate the metabolic and muscle damage responses after the level-1 Yo-Yo intermittent recovery test (YYIRT) in young football players.
Asian Journal of Sports Medicine
Sports Medicine Research Center, TUMS
Biochemical Responses to Level-1 Yo-Yo Intermittent Recovery Test in Young Tunisian Football Players
Author(s):
Omar Hammouda1,*, 
Hamdi Chtourou5, Anis Chaouachi1, Henda Chahed2, Nidhal Zarrouk3, Abdelhedi Miled2, Karim Chamari4, Nizar Souissi41Research Laboratory Sport Performance Optimisation, National Center of Medicine and Science in Sport, Tunisia
5Research Unit (EM2S), High Institute of Sport and Physical Education, Sfax University, Tunisia
2Laboratory of Biochemistry, CHU Farhat Hached, Sousse, Tunisia
3Neurophysiologie de la Vigilance, de l'Attention et des Performances, Service d'Explorations Fonctionnelles du Systme Nerveux, CHU Sahloul, Sousse, Tunisia
4High Institute of Sport and Physical Education, Ksar-Sad, Manouba University, Tunisia
Published online:Sep 28, 2012
Article type:Research Article
Received:Mar 30, 2012
Accepted:Aug 25, 2012
How to Cite:Hammouda O, Chtourou H, Chaouachi A, Chahed H, Zarrouk N, et al. Biochemical Responses to Level-1 Yo-Yo Intermittent Recovery Test in Young Tunisian Football Players. Asian J Sports Med. 2012;4(1):34522. doi: https://doi.org/10.5812/asjsm.34522
Abstract
Methods:
Fifteen male football players (17.42 0.2 yrs, 69.91 4.4 kg, 178.64 3.8 cm; mean SD) participated in this study. Fasting blood samples for various biochemical parameters (i.e. lactate (Lac), glucose (GLC), triglycerides (Tri), creatine kinase (CK), uric acid (UA)) collected from a forearm vein after 5-min of seated rest and 3-min after the test. Moreover, rating of perceived exertion (RPE) and maximal heart rate during and after the YYIRT were recorded.
Results:
Mean levels of the selected biochemical markers were raised after the YYIRT exercise (
Conclusion:
These findings confirm the higher metabolic demand of aerobic as well as anaerobic metabolism and reflect a significant mobilization of purine cycle during the YYIRT. The increase of muscle damage markers also reflects the higher anaerobic solicitation. From these findings, we can conclude the importance of aerobic and anaerobic metabolism during soccer-specific endurance performance (i.e. YYIRT, soccer match).
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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