Muscle decomposition and recruitment criteria influence muscle force estimates

Abstract

It has recently been pointed out that muscle decomposition influence muscle force estimates in musculoskeletal simulations. We show analytically and with numerical simulations that this influence depends on the recruitment criteria. Moreover, we also show that the proper choices of force normalization factors may overcome the issue. Such factors for the minmax and the polynomial criteria are presented.

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Correspondence to L. Joakim Holmberg.

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Holmberg, L.J., Klarbring, A. Muscle decomposition and recruitment criteria influence muscle force estimates. Multibody Syst Dyn 28, 283–289 (2012). https://doi.org/10.1007/s11044-011-9277-4

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Keywords

  • Force normalization factor
  • minmax optimization criteria
  • Musculoskeletal simulation
  • Polynomial optimization criteria