2012
DOI: 10.1590/s1517-86922012000200014
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Abstract: The aim of this study is to evaluate the muscle strength and basal serum testosterone and urea levels in soccer athletes. Twenty-four soccer players in pre-competitive period had a blood sample collected to have testosterone and urea concentrations analyzed. Subsequently, 1RM tests were applied to the bench press and squat exercises. After data collection, the athletes were randomly divided in two groups submitted to: non-linear periodization program (G1) and non-periodized program (G2), both for 12 weeks. ANO… Show more

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Cited by 9 publications
(2 citation statements)
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“…The study shows a small reduction of post-training urea and a slightly greater reduction five hours after the training session, suggesting that exercise had an inhibitory effect on proteolysis, lower muscle protein depletion, as the concentration of nitrogen residues in the plasma is indicative of muscle protein degradation. The result found is consistent with those of the study by Pacobahyba et al, 15 of Uchida et al 16 and Carvalho et al 17 Glucose concentration analysis showed no statistically significant difference between the samples. The small reduction presented may be related to its use during exercise in the post-training recovery period.…”
Section: Discussionsupporting
confidence: 92%
“…The study shows a small reduction of post-training urea and a slightly greater reduction five hours after the training session, suggesting that exercise had an inhibitory effect on proteolysis, lower muscle protein depletion, as the concentration of nitrogen residues in the plasma is indicative of muscle protein degradation. The result found is consistent with those of the study by Pacobahyba et al, 15 of Uchida et al 16 and Carvalho et al 17 Glucose concentration analysis showed no statistically significant difference between the samples. The small reduction presented may be related to its use during exercise in the post-training recovery period.…”
Section: Discussionsupporting
confidence: 92%
“…However, the anabolic/catabolic balance was not altered because there was no significant difference found in the T/ C ratio. Some studies reported an increase in testosterone plasma concentration (21,36), whereas others showed that strenuous efforts cause a rise in the plasmatic concentration of cortisol and, as a consequence, decreases in the T/C ratio (8,42). A decrease equal or greater than 30% in the T/C ratio indicates incomplete recovery, residual fatigue, and impaired competitive performance (14).…”
Section: Discussionmentioning
confidence: 99%