The effect of 8 weeks of aerobic training and vitamin D supplementation on the glycemic index in postmenopausal women with metabolic syndrome

Authors
Parivash Najafi Nazar Abadi 1
Zaher Etemad 1
Rastegar Hoseini 2
Fatah Moradi 3
1 Department of Physical Education, Sanandaj Branch, Islamic Azad University, Sanandaj, Iran
2 Department of Exercise Physiology, Faculty of Sport Sciences, Razi University, Kermanshah, Iran.
3 Department of Physical Education, Saghez Branch, Islamic Azad University, Saghez, Iran
Abstract
Introduction: Metabolic syndrome is one of the health problems in all societies. Exercise interventions with supplements are among the approaches to improve the condition of patient with metabolic syndrome. Therefore, the aim of this study was to investigate the effects of aerobic training and vitamin D supplementation on glycemic parameters in postmenopausal women with metabolic syndrome.



Materials and Methods: This is a quasi-experimental study with a pre-test-post-test design. Forty-six women with metabolic syndrome aged 50-60 years were volunteered and divided into 4 groups, including: aerobic training with vitamin D supplementation (AT+Vit D, n=12); aerobic training (AT, n=12); Vitamin D supplementation (Vit D, n=12); and control (C, n=12). Aerobic training program performed for 8 weeks (3 sessions per week, 20 to 40 minutes of 60-75% of maximum heart rate). The supplemented groups consumed 50,000 IU of 25-hydroxyvitamin D supplement once a week for 8 weeks. Fasting blood glucose, plasma insulin, and insulin resistance index were measured before and after the intervention in four groups. Finally, the data were statistically analyzed using analysis of covariance and Bonferroni post hoc test with SPSS 24 software at a significant level of P <0.05.



Results: The results showed that eight weeks of AT+Vit D, AT, and Vit D significantly improved plasma insulin, fasting blood sugar, and insulin resistance index (<0.05). P).



Conclusion: It seems that exercise along with vitamin D supplementation can be considered as a therapeutic method to improve the metabolic syndrome in postmenopausal women.
Keywords
Aerobic training
Vitamin D
Insulin
Glucose
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