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International Journal of Sports Technology, 2021, 2(3); doi: 10.38007/IJST.2021.020301.

Exercise on Heart Rate Regulation of Autonomic Nerve in Normal and Obese Rats


Mursaha Abstueri

Corresponding Author:
Mursaha Abstueri

University of Delhi, Delhi, India


In recent years, the incidence rate of autonomic nerve dysfunction has increased significantly. This condition is manifested by the imbalance between sympathetic and parasympathetic nerves, which affects the physiological functions of the viscera. This paper mainly studies the effect of exercise on the heart rate regulation function of autonomic nerve in normal and obese rats. This paper mainly introduces the autonomic nervous system and the function of autonomic nerve in regulating heart rate. Forty eight healthy SD rats, half male and half female, weighing 100-150 g, were purchased from the animal experimental center of the municipal hospital. Rats were fed with normal diet for one week. Methods: 48 healthy SD rats were randomly divided into two groups: blank control group (n = 9) and obesity group (n = 36). The blank control group (group A) continued to feed with normal diet, while the experimental group (group B) was fed with high-fat diet. The results showed that: after 10 weeks of feeding with common diet, the average resting heart rate of rats in group A was 385.36bpmin, while that of rats in groups B1, B2 and B3 were 403.59bpmin, 415.68bpmin and 409.94bpmin respectively. After different time of exercise, the heart rate of B2 and B3 groups was 7.8% and 6.3% higher than that of B1 rats. The results showed that the heart rate regulation function of autonomic nerve was enhanced in group B2 after 1 hour of exercise, and decreased in group B3 after 2 hours of exercise. It is proved that exercise has an effect on the heart rate regulation function of autonomic nerve in rats. Moderate exercise can better improve the imbalance between parasympathetic nerve and sympathetic nerve in the heart of obese rats, promote nerve excitation, increase heart rate and improve heart rate variability.


Animal movement model, Autonomic Nerve Heart Rate, Regulatory Function, Obesity Research

Cite This Paper

Mursaha Abstueri. Exercise on Heart Rate Regulation of Autonomic Nerve in Normal and Obese Rats. International Journal of Sports Technology (2021), Vol. 2, Issue 3: 1-12. https://doi.org/10.38007/IJST.2021.020301.


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