Motor unit properties in the biceps brachii of chronic stroke patients assessed with high-density surface EMG

L.A.C. Kallenberg, Hermanus J. Hermens

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    Abstract

    Motor unit properties of the biceps brachii and Fugl-Meyer score were assessed in stroke patients and healthy controls during passive and active elbow flexion and extension contractions. The level of motor recovery as assessed with the Fugl-Meyer was correlated with the ration of the size of the motor unit action potentials (MUAPs) and the affected side and the unaffected side. This ratio may reflect the extent to which reinnervation has occurred on the affected side. The RMS value of the MUAPs recruited during the stretch phase of the passive contractions was lower than the RMS value of MUAPs recruited during active contractions. This may indicate that only smaller MUs are affected by increased sensitivity to muscle stretch while a larger part of the MU pool can be recruited voluntarily.
    Original languageUndefined
    Title of host publicationProceeding of the 4th int IEEE EMBS Conf on Neural Engineering
    Place of PublicationPiscataway
    PublisherIEEE EMBS
    Pages30-33
    Number of pages4
    ISBN (Print)978-1-4244-2073-5
    DOIs
    Publication statusPublished - 29 Apr 2009
    Event4th International IEEE/EMBS Conference on Neural Engineering, NER 2009 - Antalya, Turkey
    Duration: 29 Apr 20092 May 2009
    Conference number: 4

    Publication series

    Name
    PublisherIEEE-EMBS

    Conference

    Conference4th International IEEE/EMBS Conference on Neural Engineering, NER 2009
    Abbreviated titleNER
    CountryTurkey
    CityAntalya
    Period29/04/092/05/09

    Keywords

    • EWI-15362
    • IR-62810
    • METIS-265207
    • MUAP biceps brachii chronic stroke patients

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