A critical examination of the maximum velocity of shortening used in simulation models of human movement

Zachary J. Domire, John H. Challis

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

The maximum velocity of shortening of a muscle is an important parameter in musculoskeletal models. The most commonly used values are derived from animal studies; however, these values are well above the values that have been reported for human muscle. The purpose of this study was to examine the sensitivity of simulations of maximum vertical jumping performance to the parameters describing the force-velocity properties of muscle. Simulations performed with parameters derived from animal studies were similar to measured jump heights from previous experimental studies. While simulations performed with parameters derived from human muscle were much lower than previously measured jump heights. If current measurements of maximum shortening velocity in human muscle are correct, a compensating error must exist. Of the possible compensating errors that could produce this discrepancy, it was concluded that reduced muscle fibre excursion is the most likely candidate.

Original languageEnglish (US)
Pages (from-to)693-699
Number of pages7
JournalComputer Methods in Biomechanics and Biomedical Engineering
Volume13
Issue number6
DOIs
StatePublished - Dec 27 2010

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Biomedical Engineering
  • Human-Computer Interaction
  • Computer Science Applications

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