IIP情報・知能・精密機器部門講演会講演論文集
Online ISSN : 2424-3140
セッションID: IIPB-4-14
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表面筋電位を用いた運動後の交流磁場曝露が筋疲労に及ぼす即時効果の評価
*岡野 洸祐岡野 英幸石渡 弘美綿貫 啓一
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This study aimed to evaluate the acute effects of post-exercise exposure to an alternating current (AC) magnetic field (50 Hz, Bmax 180 mT, 15 min) on muscle fatigue using surface electromyography (EMG). Ten healthy right-handed male volunteers (mean age 23.7 ± 2.0 years old) participated in the test. Electrodes were attached to the brachioradialis, flexor carpi ulnaris, and flexor carpi radialis muscles of the left forearms of the volunteers to monitor their muscle fatigue after the handgrip exercise/training. The handgrip strength and the intermediate frequencies of the EMG power spectrum were compared between the AC-magnetic-field- and sham-exposed groups. No significant difference between the groups was observed in terms of the handgrip strength, but a significant difference was observed between them in terms of the intermediate frequency in the flexor carpi radialis muscle, suggesting that the exposure of the AC magnetic field could have partially and instantly accelerated the recovery of muscle fatigue.

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