Effects of acute cycling with electrical muscle stimulation of lower limbs on arterial stiffness

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  • Nishimura Rina
    Graduate School of Integrated Arts and Science, Tokushima University
  • Miura Hajime
    Laboratory for Applied Physiology, Faculty of Integrated Arts and Science, Tokushima University
  • Ra Song-Gyu
    Institute of Liberal Arts and Sciences, Tokushima University
  • Tamura Yasuaki
    Department of Rehabilitation Medicine, Tokushima Prefecture Naruto Hospital
  • Nakamura Mizuki
    Department of Physical Therapy, Faculty of Medical Care, Osaka Yukioka Medical University
  • Kuga Hiromasa
    NISHI・SPORTS, Corporation
  • Deguchi Jyunji
    Department of Physical Therapy, Tokushima College of Medical Sciences and Welfare

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Other Title
  • 一過性の自転車こぎ運動と下肢への電気刺激の併用が動脈スティフネスに及ぼす影響
  • イッカセイ ノ ジテンシャコギ ウンドウ ト カシ エ ノ デンキ シゲキ ノ ヘイヨウ ガ ドウミャク スティフネス ニ オヨボス エイキョウ

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Abstract

<p>Endurance exercises, such as cycling or running, are useful for reducing arterial stiffness. However, individuals with a low physical fitness level, or patients suffering from leg diseases with pain, are unable to perform such moderate-intensity lower-limb exercises for long periods of time. The aim of this study was to evaluate the effects of acute cycling with Electrical muscle stimulation (EMS) on the brachial to ankle pulse wave velocity (ba-PWV). Ten healthy adult men performed 3 sessions, as follows of 20 min: cycling at 50% VO2max (C), cycling at an intensity of 50%VO2max subtracted from VO2 during EMS (LC), and cycling at the intensity of the LC trial while also being combined with EMS (LC+E). The ba-PWV was measured before and after each exercise. In addition, the femoral artery blood flow (BF) was measured in eight healthy adult men before and after exercise using an ultrasound imaging system. In the C and LC+E trials, the ba-PWV significantly decreased immediately after the exercise session, whereas the ba-PWV did not significantly change following the LC trial in any session. Compared with the baseline, the femoral artery BF values significantly increased after all trials. In the C and LC+E trials, the femoral artery BF was significantly greater than that in the LC trial. Acute endurance low-intensity cycling with EMS results in a reduction in the arterial stiffness which is similar to that with moderate-intensity exercise.</p>

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