The endocrine system is a network of glands and organs located throughout the body. However, while the nervous system uses nerve impulses and neurotransmitters for communication, the endocrine system uses chemical messengers called hormones. Keep reading to discover more about the endocrine system, what it does, and the hormones it produces. The endocrine system is responsible for regulating a range of bodily functions through the release of hormones. Hormones are secreted by the glands of the endocrine system, traveling through the bloodstream to various organs and tissues in the body.
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Background: Endocrine system plays a major role in both permissive and regulatory activities in order to adequately respond to physical stress of exercise. But level and direction of activation depend on many factors and are not easily interpreted. Methods: We tested a group of male professional athletes 21 water polo players and 15 wrestlers , together with 20 sedentary controls matched by age. All participants took a continuous progressive exercise stress test on a treadmill until exhaustion and plateau of oxygen consumption VO 2.
Blood samples for cortisol, sex hormone binding globulin SHBG and testosterone were drawn in four time points: baseline B , start of the test S , point of maximal strain MAX and in the 3 rd minute of recovery period R. This was in concordance with significant correlation between SHBG and cortisol level demonstrated in athletes, but not in controls.
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See this image and copyright information in PMC. Similar articles Endogenous anabolic and catabolic steroid hormones in male and female athletes during off season.
Tegelman R, et al. Int J Sports Med. PMID: Lindholm C, et al. Gynecol Obstet Invest. The interface of hypothalamic-pituitary-adrenocortical axis and circulating brain natriuretic peptide in prediction of cardiopulmonary performance during physical stress.
Popovic D, et al. Epub Jul Blood hormones as markers of training stress and overtraining. Urhausen A, et al. Sports Med. PMID: Review. Kraemer WJ, et al. Front Endocrinol Lausanne. Show more similar articles See all similar articles.
Exercise and the Stress System. Hormones Athens ;4 2 Neuroendocrine mechanisms in athletes. Handb Clin Neurol. Possible stimuli for strength and power adaptation: acute hormonal responses. Effects of cortisol on carbohydrate, lipid, and protein metabolism: studies of acute cortisol withdrawal in adrenocortical failure. J Clin Endocrinol Metab. Full-text links [x] Free PMC article.
Endocrine System Overview
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