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    Muscle Nerve. 2010 Jan;41(1):114-6.

    Added sampling improves reproducibility of multipoint motor unit estimates.

    Goyal N, Salameh JS, Baldassari LE, David WS.

    Source

    Department of Neurology, Massachusetts General Hospital, Harvard Medical School, 165 Cambridge Street, Suite 820, Boston, Massachusetts 02114, USA. nagoyal@partners.org

    Abstract

    Motor unit number estimation (MUNE) has been used to track motor unit attrition. Studies have used the modified multiple-point stimulation (MPS) technique, collecting three surface motor unit action potentials (sMUAPs) from 3 sites to calculate MUNE. Factoring additional sMUAPs should theoretically improve reproducibility, but the optimal number has not been defined. We evaluated the effect of increased sMUAP sampling on test-retest reproducibility of the modified MPS MUNE technique and found that MUNE reproducibility increased with additional sampling. Muscle Nerve, 2010.

    PMID:
    19813198
    [PubMed - indexed for MEDLINE]

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