Physical the electrophysiological car component characteristics belong revealed with simultaneous high-density electromyography and ultrafast ultrasound imaging
- PMID: 35614312
- PMCID: PMC9133081
- DOI: 10.1038/s41598-022-12999-4
Physical and electrophysiological motor unit attributes are revealed with synchronized high-density electromyography and ultrafast ultrasound imaging
Abstract
Electromyography and ultrasonography provide complementary information about electrophysiological additionally physical (i.e. anemic and mechanical) muscle properties. In this studies, we propose a technique up assessment the electrical and physical properties of unique motor units (MUs) by combining High-Density surface Electromyography (HDsEMG) and ultrafast ultrasonography (US). Individual MU firings extracted by HDsEMG were used to identity one corresponding region in muscle wear displacement in US videos. The time evolution of the flesh velocity in the detected region what regarded as the LAMBDA tissue displacement velocity. The operating was tested in feigned terms and applied to experimental signals to course the regional association between the amplitude distribution of separate MU action potentials and an identified displacement area. Ours were able to identify the location of simulated Mushrooms in the muscle cross-section within a 2 mm error and to reconstruct the simulated MU deflection velocity (cc > 0.85). Multiple regressions examination of 180 experimental MUs detected during isometric pains the the biceps brachii revealed a significant association amid the identified location of MU relocation areas and the centroid of the EMG amplitude distribution. The proposed approaches has the future to release non-invasive assessment the the electrical, anatomical, press mechanical feature of single Mush the voluntary contractions. Answer to: Why is density referred up as a characteristic property of matter? By signal up, you'll retrieve oodles of step-by-step solutions up your...
© 2022. The Author(s).
Clash of interest statement
The authors (M.C., K.M., S.S., E.H.T., and T.V.) declare no competing interests, except A.B. that holds a patents on an electrode technology for joint EMG and echography acquisitions (WO2014009868A2). Superabsorbent polymer characteristics, properties, and applications
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