Abstract
Purpose
The purpose of this study was to investigate the effects of interval training on cardio metabolic risk factors and nitric oxide in type 2 diabetes patients.
Method
This single blinded randomized controlled trial was conducted at cardiology clinic of Rajaee hospital in Karaj. Thirty female patients with type 2 diabetes randomly assigned to interval training exercise (n = 15) and control (n = 15). In interval training exercise patients received interval training exercise with 18 sessions (three sessions per week). Each training session took 25 min and consists a single set of exercise with 10 time repetitions. Training was performed on a cycle ergometer set in constant watt mode at a pedal cadence of 80–100 revolutions/min. Each repetition of the training takes 60 s and there will be a 60 s recovery pried between each repetition. Each training session include a 3-min warm-up and 2-min cool-down at 50 W for a total of 25 min. Blood samples and of all the subjects were taken at baseline, 3 weeks after intervention and at the end of the study (6 weeks).
Results
In intervention group, comparing with controls participants, a significant decrease were observed in levels of total cholesterol, triglyceride and HA1c after training program (p < 0.05). Moreover,exercise significantly increased the level of NOx (p < 0.05). Other cardiometabolic risk factors including SBP, DBP, FPG, LDL, HDL, insulin level, insulin resistance, HR, VO2 max, did not show significant differences between the two groups (p > 0.05).
Conclusion
Results of current study showed that interval training as a type of planned physical activity can be effective in lowering cardiovascular risk factors, especially lowering cholesterol and triglycerides, and can also have a beneficial effect on improving NO.
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Acknowledgments
The authors would like to express their thanks for partnership of all participant and also Pershan club staffs. We also appreciate Rajaee Hospital research unit for their administrative assistance.
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TA, NS and KE developed the main concept of study. TA and EN and draft of manuscript. All co–authors had contribution and participated in the revision and approval of the manuscript.
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Arefirad, T., Shakeri, N., Ebrahim, K. et al. Effects of interval training on cardio metabolic risk factors and nitric oxide in type 2 diabetes patients: a randomized controlled trial. J Diabetes Metab Disord 19, 669–674 (2020). https://doi.org/10.1007/s40200-019-00486-z
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DOI: https://doi.org/10.1007/s40200-019-00486-z