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Type: Artigo de periódico
Title: Melatonin Is An Ergogenic Aid For Exhaustive Aerobic Exercise Only During The Wakefulness Period
Author: Beck
W. R.; Scariot
P. P. M.; Gobatto
C. A.
Abstract: This study tested the ergogenic effects of acute administration of melatonin on exhaustive exercise (tlim) at the anaerobic threshold intensity (iAnT) during periods of lower (L) and higher (H) spontaneous physical activity in swimming rats. Additionally, we evaluated the time of day effect on aerobic exercise tolerance. The periods of L and H were determined gravimetrically. All animals were subjected to an incremental test to determine the iAnT. Melatonin was administered (, intraperitoneal) and after 30min, the rats were subjected to tlim during the L (LM) or H (HM) period. Control groups were called LC and HC. The criterion of significance was 5%. Melatonin enhanced tlim by 169% during H (HC=72min; HM=194min; P<0.01; ES=1.23) and by 90% during L (LC=31min vs. LM=59min; P=0.39; ES=1.18), demonstrating a significant effect on tlim (F=10.35; P<0.01) and a strong effect size (ES). Additionally, tlim was higher during H (F=14.24; P<0.01). Melatonin is a reasonable ergogenic aid, particularly during the wakefulness period, and the exercise tolerance is dependent on the time of day for swimming rats.
Subject: Liver-glycogen Levels
Rat Skeletal-muscle
Exogenous Melatonin
Swimming Exercise
Citation: Melatonin Is An Ergogenic Aid For Exhaustive Aerobic Exercise Only During The Wakefulness Period. Georg Thieme Verlag Kg, v. 37, p. 71-76 JAN-2016.
Rights: aberto
Identifier DOI: 10.1055/s-0035-1559698
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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