Kimura & Kohara: F64 Small, long-duration MUP showing typical early recruitment

幸原伸夫
幸原伸夫
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Published 2014-06-20
Motor unit potentials (MUPs) recorded from the biceps brachii (BB) during voluntary contraction in a patient with myositis. The tracing shows an early recruitment of many small, long-duration potentials during a slight muscle contraction. An overlap of many potentials makes it difficult to distinguish an individual MUP, which, therefore, must undergo scrutiny during a very minimal muscle contraction.
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