Key result
Moderate resistance training fails to alter HRV in patients with type 2 diabetes.
Why the study?
Diabetes Mellitus can alter the autonomic nervous system, while resistance exercise training may reduce glycemic levels and improve neural control of the heart.
Does resistance exercise training improve heart rate variability in patients with type 2 diabetes mellitus?
Does resistance exercise training improve heart rate variability in patients with type 2 diabetes mellitus?
p-value: p=>0.05
A 12-week moderate resistance training program did not significantly improve heart rate variability in patients with type 2 diabetes mellitus.
No HRV benefit seen with moderate resistance training in T2DM; hypothesis-generating and should not yet change practice.
Introduction: Diabetes Mellitus (DM) can promote changes in the autonomic nervous system. Training with resistance exercise can contribute to the decrease of the glycemic level and improve the neural control of the heart. Objective: to verify the effects of resistance exercise training (RT) on linear and non-linear dynamics of autonomic heart rate (HR) modulation in patients with DM2. Methods: Eight patients with DM2 were studied. The R-R intervals of the HR were recorded in the supine resting condition and HRV was analyzed by linear and non-linear method. RT was performed for 12 weeks, with 60% 1RM, 5 exercises for large muscle groups. Results: data variations between post-RT and initial ones did not show statistical difference (p>0.05) in HRV calculated both by linear and non-linear methods. Conclusion: 12 weeks of moderate RT does not promote positive effects on HRV in patients with T2DM.
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BRITTO et al. (2023) studied Type 2 diabetes mellitus (n=8). Resistance exercise training vs. Pre-training baseline was evaluated on Heart rate variability (HRV) calculated by linear and non-linear methods (p=>0.05). 12 weeks of moderate resistance training did not significantly alter linear and non-linear dynamics of heart rate variability in patients with type 2 diabetes mellitus (p>0.05).
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