Glutamine and exercise-induced muscle damage -
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J Nutr. Keywords: skeletal muscle damage, physical exercise performance, second ventilatory threshold, maximal oxygen consumption, creatine kinase. Citation: Peres FP, Levada-Pires AC, Vieira M, Hatanaka E, Cury-Boaventura MF, Folador A, Gorjão R, Hirabara SM, Santos-Silva PR, Deuster PA, Curi R and Pithon-Curi TC Hydrolyzed whey protein enriched with glutamine dipeptide attenuates skeletal muscle damage and improves physical exhaustion test performance in triathletes.
Sports Act. Living Received: 4 August ; Accepted: 8 December ; Published: 6 January This is an open-access article distributed under the terms of the Creative Commons Attribution License CC BY.
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Export citation EndNote Reference Manager Simple TEXT file BibTex. Check for updates. ORIGINAL RESEARCH article. Living, 06 January Sec. Deuster 4 Rui Curi 1,2,4 Tania Cristina Pithon-Curi 2,4. Introduction Blood glutamine levels range from 0. Methods 2. Subjects Nine healthy elite Caucasian male triathlon athletes signed an informed consent form agreeing with the procedures described for this study.
Experimental design, dietary supplement interventions, and anthropometric measurements Athletes did not use supplements during the training and the weeks before the study. Endurance test Aerobic power and aerobic capacity tests were performed on a motorized treadmill.
Cardiopulmonary exercise testing Ventilatory equivalents VE , oxygen consumption VO 2 , carbon dioxide production VCO 2 , and respiratory exchange ratio RER were continuously monitored through a breath-by-breath system as described by Favano et al.
Blood sample collection Blood samples were collected from eight healthy male triathlon athletes at the top of their age category. Statistical analysis 2. Data analysis approaches Quantitative variables are presented as the mean and standard deviation or median and quartile intervals.
Results As reported in our previous study, the experimental protocol used for dietary supplementation ensured a significant increase in plasma glutamine concentration but did not change plasma glucose 8. ISSN Google Scholar. Download citation. Issue Date : May Anyone you share the following link with will be able to read this content:.
Sorry, a shareable link is not currently available for this article. Provided by the Springer Nature SharedIt content-sharing initiative. Abstract The aim of this study was to determine if severe exercise-induced muscle damage alters the plasma concentrations of glutamine and zinc. Access this article Log in via an institution.
Author information Authors and Affiliations School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK, , , , , , GB M. Cook School of Health Sciences, Wolverhampton University, Wolverhampton WV1 1DJ, UK, , , , , , GB A.
Day Authors M. Gleeson View author publications. View author publications.
The aim of this study Glutamien to determine if Glutamine and exercise-induced muscle damage exercise-induced muscle damage alters the plasma concentrations of glutamine and exerciwe-induced. Changes in plasma concentrations of glutamine, zinc and Refreshment Catering Packages elastase an index of phagocytic cell activation were ezercise-induced for up to 10 days following eccentric exercise of the Gkutamine extensors of one leg in eight untrained subjects. The exercise bout consisted of 20 repetitions of electrically stimulated eccentric muscle actions on an isokinetic dynamometer. Subjects experienced severe muscle soreness and large increases in plasma creatine kinase activity indicative of muscle fibre damage. There were no significant changes in plasma zinc and glutamine concentrations in the days following eccentric exercise. We conclude that exercise-induced muscle damage does not produce changes in plasma glutamine or zinc concentrations despite evidence of phagocytic neutrophil activation. This is a preview of subscription content, log in via an institution to check access.
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