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Biochemical responses to level-1 Yo-Yo intermittent recovery test in young Tunisian football players
Asian Journal of Sports Medicine. 2013; 4 (1): 23-28
em Inglês | IMEMR | ID: emr-142746
ABSTRACT
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. 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. Mean levels of the selected biochemical markers were raised after the YYIRT exercise [P<0.001 for the other markers]. Moreover, lipid parameters increased significantly after the test [P<0.01 for Tri and P<0.001 for HDL]. 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]
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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Resistência Física / Futebol / Análise e Desempenho de Tarefas / Teste de Esforço / Frequência Cardíaca Limite: Feminino / Humanos / Masculino Idioma: Inglês Revista: Asian J. Sports Med. Ano de publicação: 2013

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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Resistência Física / Futebol / Análise e Desempenho de Tarefas / Teste de Esforço / Frequência Cardíaca Limite: Feminino / Humanos / Masculino Idioma: Inglês Revista: Asian J. Sports Med. Ano de publicação: 2013