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The MusIC method: a fast and quasi-optimal solution to the muscle forces estimation problem

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  • A. Muller
  • C. Pontonnier
  • G. Dumont

Abstract

The present paper aims at presenting a fast and quasi-optimal method of muscle forces estimation: the MusIC method. It consists in interpolating a first estimation in a database generated offline thanks to a classical optimization problem, and then correcting it to respect the motion dynamics. Three different cost functions – two polynomial criteria and a min/max criterion – were tested on a planar musculoskeletal model. The MusIC method provides a computation frequency approximately 10 times higher compared to a classical optimization problem with a relative mean error of 4% on cost function evaluation.

Suggested Citation

  • A. Muller & C. Pontonnier & G. Dumont, 2018. "The MusIC method: a fast and quasi-optimal solution to the muscle forces estimation problem," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 21(2), pages 149-160, January.
    • Handle: RePEc:taf:gcmbxx:v:21:y:2018:i:2:p:149-160
    DOI: 10.1080/10255842.2018.1429596
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