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Corrigendum to "Extracting Low-Velocity Concentric and Eccentric Dynamic Muscle Properties from Isometric Contraction

R Rockenfeller1, M Günther2

  • 1Universität Koblenz, Mathematisches Institut, Universitätsstr. 1, 56070 Koblenz, Germany.

Mathematical Biosciences
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Summary

This paper corrects an error in Hatze's activation dynamics used in a previous study on muscle properties. While the overall findings remain valid, specific numerical results have been slightly adjusted.

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Area of Science:

  • Biomechanics
  • Muscle Physiology
  • Mathematical Modeling

Background:

  • Previous research aimed to extract dynamic muscle properties from isometric contractions.
  • An erroneous form of Hatze's activation dynamics was inadvertently utilized in the original study.
  • The original paper focused on low-velocity concentric and eccentric muscle actions.

Purpose of the Study:

  • To provide corrections to a previously published paper in Mathematical Biosciences.
  • To address the use of an incorrect formulation of Hatze's activation dynamics.
  • To ensure the accuracy of numerical results presented in the original study.

Main Methods:

  • Re-evaluation of the mathematical model used for muscle property extraction.
  • Correction of the specific equation for Hatze's activation dynamics.
  • Recalculation of numerical values based on the corrected model.

Main Results:

  • The general statements and conclusions of the original paper remain valid.
  • Minor variations observed in the numerical values presented in Tables 1, 2, and 3.
  • The corrected activation dynamics provide a more accurate representation.

Conclusions:

  • The corrected model enhances the reliability of extracted dynamic muscle properties.
  • The study reaffirms the utility of isometric contractions for understanding muscle dynamics.
  • The authors apologize for any inconvenience caused by the previous error.