Document Type : Research Paper
Authors
1 M.Sc. of Sport Physiology, University of Mazandaran
2 Associate Professor of Sport Physiology, University of Mazandaran
3 Assistant Professor of Developmental Biology, University of Mazandaran
Abstract
Excessive intake of sugar-sweetened beverages can lead to abnormalities in spermatogenesis and some of sex hormones levels. The purpose of this study was to investigate the effect of resistance training with progressive load on serum levels of sex hormones and number of epidydimal sperms count in rats fed with sucrose solution. Thirty-two male Wister rats (8-10 weeks old, mean weight 158.93±8.36 grams) were randomly divided initially into fed with and without 30% sugar solution groups, and after four weeks, each of these groups were divided into control and training groups (totally 4 groups). The training groups were subjected to 8 weeks progressive resistance training program, every other day, 3 days in week. Fasting serum levels of testosterone, follicle stimulating hormone (FSH) and luteinizing hormone (LH), as well as epidydimal sperms count were measured. The results of two ways ANOVA with P≤0.05 indicated that interacting effects of resistance training and fed with sucrose solution induced a reduction in serum LH levels (P=0.02) and sperms count (P<0.01). Consumption of sucrose solution lead to a decline in serum LH and FSH levels, and sperms count (P<0.05). Progressive resistance training in the sucrose solution decreased serum LH (P<0.01) and FSH (P=0.04) levels compared with control group. It seems that high intensity resistance training in subjects with regular consumption of high sugar, can lead to impaired spermatogenesis by changing the levels of some sex hormones.
Keywords
Main Subjects
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