The preventive effect of microcurrent electrical neuromuscular stimulation on delayed onset muscle soreness

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  • Higuchi Suzuka
    Department of Physical Therapy, Faculty of Rehabilitation, Niigata University of Health and Welfare
  • Sato Shigeru
    Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare
  • Yasaka Koki
    Department of Physical Therapy, Faculty of Rehabilitation, Niigata University of Health and Welfare
  • Kiyono Ryosuke
    Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare
  • Yahata Kaoru
    Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare
  • Nakamura Masatoshi
    Department of Physical Therapy, Faculty of Rehabilitation, Niigata University of Health and Welfare Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare

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Other Title
  • 短時間の微弱電流刺激が遅発性筋痛に伴う筋力低下に及ぼす予防効果
  • タンジカン ノ ビジャク デンリュウ シゲキ ガ チハツセイキンツウ ニ トモナウ キンリョク テイカ ニ オヨボス ヨボウ コウカ

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Abstract

<p>The purpose of this study was to investigate the preventive effect of 30 minutes of microcurrent electrical neuromuscular stimulation (MENS) on delayed onset muscle soreness of elbow flexors. A total of 28 healthy young adults were randomly allocated into MENS group (n=15) and control group (n=13). All participants performed repetitions of eccentric contraction, and participants in MENS group performed 30-minute MENS on the elbow flexor muscle immediately, and 24, 48, 72 hours after eccentric exercise. Muscle soreness, maximal voluntary isometric contraction torque, circumference, and elbow extension range of motion were measured before, immediately after, and 24, 48, 72 hours after eccentric exercise, and the changes over time were compared. Our results showed that maximal voluntary isometric contraction torque was higher, and the circumference was lower in MENS group rather than control group, but there were no significant differences between MENS group and control group for muscle soreness and ROM. The results of this study showed that 30 minutes of MENS can prevent muscle weakness and increase in circumference caused by ECC. On the other hand, it was suggested that 350 μA MENS for 30 minutes was not sufficient to prevent muscle soreness and ROM.</p>

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