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:: Volume 12, Issue 4 (11-2010) ::
2010, 12(4): 401-408 Back to browse issues page
Effect of Eight Weeks of Aerobic and Progressive Exercises on Changes of Estrogen Hormone and Effective Factors on Bone Mass in Menopaused Sedentary Women
Kh Ebrahim , Mohammad reza Ramezan por , A Rezaei Sahraei
, a_Rezaee8448@yahoo.com
Abstract:   (36403 Views)
Introduction: The purpose of this research was to study the effect of eight weeks of aerobic and progressive exercises on blood estrogen and other factors affecting bone density in postmenopausal women. Materials and Methods: Twenty postmenopausal women, with average of age and height and weight of 51/05±0/22yr, 164/5±1/09cm and 67/30±0/85 kg respectively, who had no regular daily physical activity, voluntarily participated in the study. Subjects were randomly divided into two the experimental and the control, groups. Experimental group excercises included eight-weeks of aerobic interval running three sessions per week, with progressive intensity and time. Blood and urine samples were taken before starting the exercise period, to calculate levels of estrogen, calcitonin, paratormon hormones, calcium and phosphorus from the former, and levels of calcium and phosphorus from the lather. Results: Eight weeks of progressive and aerobic exercises caused a significant change in the amount of estrogen(17.6±4.22 to 27.9±8.64), parathormon(20.8±3.58 to 19.2±1.98) hormones, blood calcium (9.44±0.24 to 8.8±0.71), phosphorus (3.87±0.38 to 4.23±0.25) and urine phosphorus(61.22±4.43 to 42.16±10.06), whereas no significant change was seen in the amount of calcitonin hormone (3.94±3.36 to 4.84±1.96) and urine calcium (9.74±0.68 to 9.35±1.30) .Conclusion: Based on the results, it seems that long progressive physical exercises, especially weight bearing ones, can be effective in increasing the estrogen level, thereby preventing ostheoprothesis, and also preserving bone salts(calcium and blood phosphorus), by causing hormonal changes effective on these salts(calcitonin and parathormone).
Keywords: Aerobic and progressive exercises, Estrogen, Postmenopaused sedentary women
Full-Text [PDF 291 kb]   (2410 Downloads)    
Type of Study: Original | Subject: Exercise
Received: 2009/07/27
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Ebrahim K, ramezan por M R, Rezaei Sahraei A. Effect of Eight Weeks of Aerobic and Progressive Exercises on Changes of Estrogen Hormone and Effective Factors on Bone Mass in Menopaused Sedentary Women . Iranian Journal of Endocrinology and Metabolism. 2010; 12 (4) :401-408
URL: http://ijem.sbmu.ac.ir/article-1-745-en.html


Volume 12, Issue 4 (11-2010) Back to browse issues page
مجله ی غدد درون‌ریز و متابولیسم ایران، دو ماهنامه  پژوهشی مرکز تحقیقات غدد درون‌ریز و متابولیسم، Iranian Journal of Endocrinology and Metabolism
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