Investigation and Comparison of the Effects of Eight Weeks of Resistance and Endurance Training with Vitamin D3 Supplementation on Blood Pressure, Resting Heart Rate, and Body Composition in Obese Hypertensive Middle-Aged Men
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Background And Objectives
The purpose of this study was to investigate and compare the effects of 8 weeks of resistance and endurance training with vitamin D3 supplementation on blood pressure, resting heart rate, and body composition in obese hypertensive middle-aged men.
Methods
Sixty-three obese hypertensive men (age = 39.85 ± 2.8 years; BMI = 31.6 ± 1.4 kg/m2) volunteered to participate in this study and were randomly divided into six groups: resistance training with vitamin D3 (R D, n = 11), resistance training with placebo (R P, n = 12), endurance training with vitamin D3 (E D, n = 9), endurance training with placebo (E P, n = 11), vitamin D3 alone (D, n = 10), and control with no intervention (C, n = 10). The training protocol consisted of endurance and resistance training three times a week for 8 weeks. The supplementation groups consumed 3000 IU of vitamin D3 daily, and the placebo groups ingested the same amount of maltodextrin.
Results
The training groups showed a significant decrease in the post-test fat mass, resting heart rate, and systolic and diastolic blood pressure compared with the pre-test values. Also, the fat-free mass significantly increased only in the R D and R P groups. No significant changes were observed in the C and D groups. Moreover, there were significant differences between the groups in the post-test fat mass and systolic blood pressure in favor of the E D group.
Conclusions
Although endurance and resistance training with vitamin D3 supplementation improved the body composition, resting heart rate, and systolic and diastolic blood pressure, the reduction in the systolic blood pressure and body fat mass was significantly higher in the E D group.
Language:
English
Published:
Journal of Clinical Research in Paramedical Sciences, Volume:7 Issue: 1, Jun 2018
Page:
5
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