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:: Volume 9, Issue 4 (winter2011 2011) ::
jmj 2011, 9(4): 40-46 Back to browse issues page
تغییرات هورمون رشد و قند خون بعد از تمرین زیربیشینه و بیشینه در نوجوانان ورزشکار
Nikseresht *, Sh Rezaee Tazangi, E Khoshnam
Abstract:   (20443 Views)
Introduction: Growth hormone is a strong metabolic factor that facilitates growth and hypertrophy and increase transfer of amino acids into the cells. Exercise is a potent stimulant of growth hormone secretion. If it is regularly done, the rate of hormone secretion increases in 24 hours. In previous studies, the role of championship training has been little considered. So, given the importance of the above-mentioned hormone in puberty period and the necessity of participation in the championship, this study aimed to investigate the relationship between physical activity in championship level and changes of this hormone. Material and Methods: 12 male adolescent athletes Estahban were chosen as the subjects. Finally, eight of them (mean age= 14.44, height= 1.56 m and weight= د46.3 kg) participated in the study. Blood samples were collected before exercise, after 10 weeks of submaximal exercise, and at the end of 3 weeks of maximal exercise. ,. The samples were collected 12 hours after the last training. Results: The results indicated that submaximal exercise had no significant effect on baseline growth hormone and blood sugar (p=0.446, p=0.289). But maximal training caused a significant increase in the baseline growth hormone and blood sugar (p=0.048, p=0.045). Conclusion: According to the results, exercise intensity below the maximum for male adolescents has a significant impact on the amount of baseline growth hormone whereas maximal exercise increases the amount of baseline growth hormone significantly. Increased growth hormone leads to increased protein synthesis, increased bone, increased muscle size and improved athletic performance.
Keywords: Growth Hormone, Blood Sugar, Exercise
Full-Text [PDF 202 kb]   (1868 Downloads)    
Type of Study: Research |
Received: 2013/04/30 | Revised: 2018/03/3 | Accepted: 2013/05/15
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Nikseresht, Rezaee Tazangi S, Khoshnam E. تغییرات هورمون رشد و قند خون بعد از تمرین زیربیشینه و بیشینه در نوجوانان ورزشکار. jmj. 2011; 9 (4) :40-46
URL: http://jmj.jums.ac.ir/article-1-85-en.html

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Volume 9, Issue 4 (winter2011 2011) Back to browse issues page
فصلنامه دانشگاه علوم پزشکی جهرم Journal of Jahrom University of Medical Sciences
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