Title |
Voluntary EMG-to-force estimation with a multi-scale physiological muscle model
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Published in |
BioMedical Engineering OnLine, September 2013
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DOI | 10.1186/1475-925x-12-86 |
Pubmed ID | |
Authors |
Mitsuhiro Hayashibe, David Guiraud |
Abstract |
EMG-to-force estimation based on muscle models, for voluntary contraction has many applications in human motion analysis. The so-called Hill model is recognized as a standard model for this practical use. However, it is a phenomenological model whereby muscle activation, force-length and force-velocity properties are considered independently. Perreault reported Hill modeling errors were large for different firing frequencies, level of activation and speed of contraction. It may be due to the lack of coupling between activation and force-velocity properties. In this paper, we discuss EMG-force estimation with a multi-scale physiology based model, which has a link to underlying crossbridge dynamics. Differently from the Hill model, the proposed method provides dual dynamics of recruitment and calcium activation. |
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