Publication: Double discharges in human soleus muscle
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KU-Authors
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Piotrkiewicz, Maria
Binboğa, Erdal
Mlozniak, Dariusz
Kuraszkiewicz, Bozenna
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NO
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Abstract
Doubled ischarges (doublets) were recorded from human soleus (SOL), where they have never been reported before. The data analyzed in this study were collected from 12 healthy volunteers. The subjects were recruited for other studies, concerning: (1) estimation of motoneurons' (MNs) afterhyperpolarization (AHP) duration and (2) analysis of motor unit responses to nerve stimulation, and were not trained to voluntarily evoke doublets. The majority of intradoublet intervals fell into the commonly accepted range 2-20 ms. However, two SOLMNs from one presented exceptional doublets of intradoublet interval about 37 ms. This interval was virtually identical with the interval between second and third discharge in the few triplets recorded from an other subject. It is hypothesized that triplets are generated by the delayed depolarization with the second narrow hump, which is the same as the hump responsible for exceptional doublets.
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Publisher
Frontiers
Subject
Neurosciences, Psychology
Citation
Has Part
Source
Frontiers in Human Neuroscience
Book Series Title
Edition
DOI
10.3389/fnhum.2013.00843