Volume 26, Issue 9 (12-2019)                   RJMS 2019, 26(9): 59-67 | Back to browse issues page

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Parastesh M P, Jalali S, moradi J. The effect of circadian rhythm on blood lactate concentration and salivary cortisol after one session of exhausting exercise in athlete girls. RJMS 2019; 26 (9) :59-67
URL: http://rjms.iums.ac.ir/article-1-5477-en.html
Teacher of education and training of Arak, Arak, Iran , ShamsiJalali@gmail.com
Abstract:   (2897 Views)
Background: Circadian rhythm as an important factor in the change in hormone levels is considered. This study aimed to investigate the effect of circadian rhythm on blood lactate concentration and salivary cortisol after one session of exhausting exercise in trained girls.
Methods: In this semi-experimental study 15 trained girls with an average weight 58.66 ± 4.6 and body mass index 23/3±2/6 were selected randomly and at 7 Am and 7 Pm in the laboratory were present. Samples of blood and saliva were measured before and immediately after one session of exhausting exercise on a ergometer. Data were analyzed using repeated measures ANOVA and Bonferonian post hoc test at a significance level of 0.05.
Results: There was a significant difference in blood lactate level before and after exercise in the morning (p=0.001) and evening (p=0.001), but there was a significant difference in post -test lactate Blood was not observed in the morning and evening. Also, although there was no significant difference in salivary cortisol levels before and after exercise in the morning and evening, but there was a significant difference in salivary cortisol pre -test in morning and evening times at resting levels (p=0.025).
Conclusion: In general, according to the results of this study, it seems that the circadian rhythm does not affect the response of blood lactate and salivary cortisol in athlete's girls after one session of exhausting exercise.
 
 
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Type of Study: Research | Subject: Exercise Physiology

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