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Macro electromyogra...
Macro electromyography and motor unit number index in the tibialis anterior muscle : Differences and similarities in characterizing motor unit properties in prior polio
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- Sandberg, Arne (author)
- Uppsala universitet,Klinisk neurofysiologi
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Nandedkar, Sanjeev D. (author)
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- Stålberg, Erik (author)
- Uppsala universitet,Klinisk neurofysiologi
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(creator_code:org_t)
- 2011-01-25
- 2011
- English.
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In: Muscle and Nerve. - : Wiley. - 0148-639X .- 1097-4598. ; 43:3, s. 335-341
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Our objective was to establish the usefulness of the noninvasive method of the motor unit number index (MUNIX) in a large muscle and to study how macro electromyography (EMG) and MUNIX complement each other in describing the motor units (MUs) in prior polio. MUNIX and macro EMG were performed in 48 tibialis anterior muscles in 33 prior polio patients. In addition, the reproducibility of MUNIX was investigated. It is shown that MUNIX can be used to characterize MUs with high reproducibility, even in a large muscle. As judged by MUNIX values, the patients had a 25% reduction of motor neurons, whereas the macro EMG indicated a loss of 60% of the neurons. Macro EMG showed more pronounced changes compared with control material than the MUNIX. One of the reasons for this finding may be the difference in MU populations studied with the two methods.
Keyword
- macro EMG
- MUNE
- MUNIX
- polio
- prior polio
- reinnervation
- MEDICINE
- MEDICIN
Publication and Content Type
- ref (subject category)
- art (subject category)
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