The effects of eight weeks resistance training and low calorie diet on body ‎composition and relaxin of postmenopausal women

Document Type : original article

Author

Abstract

Aim: The aim of this study is to evaluate the effects of resistance training and low calorie diet ‎on body composition relaxin serum level of postmenopausal women.‎
Methods:In this research ‎‏20‏‎ post-menopausal women were purposefully selected and randomly ‎divided into two groups (experimental group, n = ‎‏11‏‎ and control group = ‎‏9‏‎), the experimental ‎group training for ‎‏8‏‎ weeks and every week ‎‏2‏‎ days with the intensity of ‎‏20‏‎-‎‏30%‏‎ ‎‏1‏RM‏1‏‎, the ‎control group continued their activities during a period of ‎‏2‏‎ month.‎
Body composition's factors by Inbody device and relaxin serum level with China's kit was ‎measured in the fasting state, in two stages, one week before the start of the training program ‎and ‎‏48‏‎ hours after the last training session in the eighth weeks was carried out.‎
The covariance and Pearson correlation test analysis were used for data analysis, level of ‎significance was considered by SPSS ‎‏18‏‎ ‎‏)‏p≤‎‏0/05.(‏
Results:The results showed that eight weeks of resistance training and low-calorie diet ‎significantly reduced total cholesterol levels, triglycerides, LDL, relaxin and an increase in HDL ‎values before the intervention.‎
Also body weight, fat mass, fat percent, lean body mass and BMI‏2‏‎ of the experimental group ‎was significantly decreased, while the decrease of related indicators of abdominal obesity (waist ‎size, hip and WHR) statistically is not significant, and also there were no significant relationship ‎between relaxin serum levels and the components of body composition, and the relationship ‎between relaxin serum levels and blood lipids in cholesterol serum level and LDL was ‎significant.‎
Conclusion: Therefore decreased of relaxin serum levels induced by caloric restriction ‎combined with resistance training can be effective in reducing the symptoms of menopause and ‎affect them.‎

Keywords


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  • Receive Date: 12 June 2016
  • Revise Date: 19 June 2024
  • Accept Date: 31 December 2020
  • First Publish Date: 31 December 2020
  • Publish Date: 22 November 2017