Changes in EMG characteristics and metabolic energy cost during 90-min prolonged running

Daijiro Abe, Satoshi Muraki, Kazumasa Yanagawa, Yoshiyuki Fukuoka, Shigemitsu Niihata

    研究成果: ジャーナルへの寄稿学術誌査読

    22 被引用数 (Scopus)

    抄録

    This study quantified the interaction of integrated electromyography (iEMG) obtained from the vastus lateralis and the metabolic energy cost of running (Cr), an index to assess running economy, during 90-min prolonged running. The iEMG during running was divided into eccentric (ECC) and concentric (CON) phases using a force platform and a knee-joint goniometer. The ratio of ECC to CON (ECC/CON ratio) significantly decreased during 90-min prolonged running in novice distance runners, which would be explained by an increase in muscle activity during the CON phase of running. The average Cr value significantly increased during 90-min prolonged running. The individual's Cr values significantly correlated with the ECC/CON ratio (r = -0.702, P < 0.05). These results suggest that changes in the ECC/CON ratio and Cr value during prolonged running are associated.

    本文言語英語
    ページ(範囲)607-610
    ページ数4
    ジャーナルGait and Posture
    26
    4
    DOI
    出版ステータス出版済み - 10月 2007

    !!!All Science Journal Classification (ASJC) codes

    • 生物理学
    • 整形外科およびスポーツ医学
    • リハビリテーション

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