High-density surface EMG study on the time course of central nervous and peripheral neuromuscular changes during 8weeks of bed rest with or without resistive vibration exercise

E.R. Mulder, K.H.L. Gerrits, B.U. Kleine, J. Rittweger, D. Felsenberg, A. de Haan, D.F. Stegeman

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    The aim of the present study was to assess the time course and the origin of adaptations in neuromuscular function as a consequence of prolonged bed rest with or without countermeasure. Twenty healthy males volunteered to participate in the present study and were randomly assigned to either an inactive control group (Ctrl) or to a resistive vibration exercise (RVE) group. Prior to, and seven times during bed rest, we recorded high-density surface electromyogram (sEMG) signals from the vastus lateralis muscle during isometric knee extension exercise at a range of contraction intensities (5-100% of maximal voluntary isometric torque). The high-density sEMG signals were analyzed for amplitude (root mean square, RMS), frequency content (median frequency, F
    Original languageEnglish
    Pages (from-to)208-218
    JournalJournal of Electromyography and Kinesiology
    Volume19
    Issue number2
    DOIs
    Publication statusPublished - 2009

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