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Identification of s...
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Rohlén, RobinUmeå universitet,Radiofysik,Umeå Univ, Dept Radiat Sci, Biomed Engn, Umeå, Sweden.
(författare)
Identification of single motor units in skeletal muscle under low force isometric voluntary contractions using ultrafast ultrasound
- Artikel/kapitelEngelska2020
Förlag, utgivningsår, omfång ...
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2020-12-24
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Springer Nature,2020
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electronicrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:umu-177953
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-177953URI
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https://doi.org/10.1038/s41598-020-79863-1DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-433423URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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The central nervous system (CNS) controls skeletal muscles by the recruitment of motor units (MUs). Understanding MU function is critical in the diagnosis of neuromuscular diseases, exercise physiology and sports, and rehabilitation medicine. Recording and analyzing the MUs’ electrical depolarization is the basis for state-of-the-art methods. Ultrafast ultrasound is a method that has the potential to study MUs because of the electrical depolarizations and consequent mechanical twitches. In this study, we evaluate if single MUs and their mechanical twitches can be identified using ultrafast ultrasound imaging of voluntary contractions. We compared decomposed spatio-temporal components of ultrasound image sequences against the gold standard needle electromyography. We found that 31% of the MUs could be successfully located and their firing pattern extracted. This method allows new non-invasive opportunities to study mechanical properties of MUs and the CNS control in neuromuscular physiology.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Stålberg, ErikUppsala universitet,Rostedt Punga: Klinisk neurofysiologi(Swepub:uu)eriksb
(författare)
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Grönlund, ChristerUmeå universitet,Radiofysik,Umeå Univ, Dept Radiat Sci, Biomed Engn, Umeå, Sweden.(Swepub:umu)chgr0009
(författare)
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Umeå universitetRadiofysik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Scientific Reports: Springer Nature102045-2322
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