Volume 25, Issue 4 (7-2018)                   RJMS 2018, 25(4): 98-109 | Back to browse issues page

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Tartibian B, Malandish A, AfsarGarebag R, Sheikhlou Z. Effects of 12 weeks of moderate-intensity aerobic exercise and 5 months detraining on cardiovascular biomarkers in inactive postmenopausal women. RJMS 2018; 25 (4) :98-109
URL: http://rjms.iums.ac.ir/article-1-5069-en.html
Allameh Tabataba'i University , ba.tartibian@gmail.com
Abstract:   (3028 Views)
Background: Recently, the topic of exercises-induced adaptations on cardiovascular indexes, as well as the long-term sustainability of positive adaptations resulting from it in the period of detraining, it’s interesting for sports physiologists. The purpose of this study was to investigate the effects of 12 weeks moderate-intensity aerobic exercise and 5 months detraining on cardiovascular biomarkers in inactive postmenopausal women.
Methods: in this semi-experimental study, 24 sedentary post-menopausal women with having an average age of 53 yr and MBI 29 kg/m2 voluntarily and bona fide participated, and then were randomly assigned to Exercise (E, n=12) and Control (C, n=12) groups. The E group performed walking and jogging moderate-intensity aerobic exercise training (W-WJMIAEP-R) (50-60min/d, 3d/wk at 65%-70% of maximal heart rate of training for 12 weeks, and then maintained for 5 months detraining. C group maintained their normal daily physical activity level for 8 months. To measure serum levels of the E and C groups were taken blood samples at the baseline, after 12 weeks exercise intervention, and after 5 months detraining. Data analysis included descriptive and inferential (MANOVA test) statistics using SPSS-23 software, and the significance level was set at p≤0.05.
Results: The between-groups results showed that only serum PTH levels increased significantly after 12 weeks exercise intervention (p≤0.05), whereas serum levels of Ca+2, P, and Vit D after 12 weeks exercise intervention and after 5 months detraining were no significant difference in E group compared to the C group (p>0.05).
Conclusion: The results suggested that 12 weeks walking and jogging aerobic exercise of 65-70% maximal heart rate of training increased significantly serum PTH levels (probably with its direct effects on cardiovascular system), as some of the exercise induced-positive adaptations such as increased serum Vit D levels were maintained even after a 5 months detraining period among inactive postmenopausal women. 

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Type of Study: Research | Subject: Exercise Physiology

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