Effects of repetition exercise training on vascular endothelial function in healthy men

  • Tamura Yasuaki
    Department of Rehabilitation Medicine, Tokushima Prefecture Naruto Hospital
  • Miura Hajime
    Laboratory for Applied Physiology, Institute of Socio-Arts and Science, Tokushima University
  • Deguchi Kenichi
    Department of Rehabilitation Medicine, Tokushima Prefecture Naruto Hospital
  • Hashimoto Yuji
    Department of Rehabilitation Medicine, Tokushima Prefecture Naruto Hospital
  • Deguchi Junji
    Tokushima College of Medical Sciences and Welfare
  • Murakami Ayako
    Training Department of Administrative Dietitians, Shikoku University
  • Ishikawa Mizuki
    Department of Physical Therapy, Faculty of Health Science, Osaka Yukioka College of Health Science

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<p>High-intensity interval training improves the vascular endothelial function better than moderate-intensity continuous training. However, few studies have examined the effects of repetition training consisting of high-intensity exercise, followed by complete rest, on arterial function. We performed this study to investigate the effects of repetition training of high-intensity exercise on the vascular endothelial function determined by flow-mediated vasodilation. Twenty healthy male participants were randomized and stratified into two training groups, one group performed moderate-intensity continuous training (n = 10) while another performed repetition training of high-intensity exercise (n = 10). Both groups exercised 3 times a week for 6 weeks. Before and after each training protocol, the vascular endothelial function of the right brachial artery was assessed by flow-mediated vasodilation. In the moderate-intensity continuous training group, flow-mediated vasodilation changed 9.92 ± 2.45% to 10.58 ± 2.93% (ns). In the repetition training of high-intensity exercise group, flow-mediated vasodilation changed 7.26 ± 1.46% to 8.58 ± 1.22% (p < 0.05). A greater increase in vascular endothelial function was observed in high-intensity repetition training compared to moderate-intensity continuous training. These results suggest the possible effect of repetition training on the prevention of cardiovascular disease.</p>

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