Modeling of muscle fatigue using Hill's model

C. Y. Tang, B. Stojanovic, C. P. Tsui, Milos Kojic

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


A new model incorporating muscle fatigue has been developed to predict the effect of muscle fatigue on the force-time relationship of skeletal muscle by using the PAK-program. Differential equations in the incremental form have been implemented into Hill's muscle model. In order to describe the effect of muscle fatigue and recovery on skeletal muscle behaviors, a set of equations in terms of three phenomenological parameters which are a fatigue curve under sustained maximal activation, a recovery curve and an endurance function were developed. With reference to existing models and experimental results, the input parameters for fatigue curve under sustained maximal activation and endurance function were determined. The model has been investigated under an isometric condition. The effects of different shapes of the recovery curves have also been considered in this model. Validation of the model has been performed by comparing the predicted results with the experimental data from an existing literature.

Original languageEnglish (US)
Pages (from-to)341-348
Number of pages8
JournalBio-Medical Materials and Engineering
Issue number5
StatePublished - Sep 28 2005


  • Fatigue
  • Hill
  • Maximal effort
  • Muscle fatigue
  • Muscle model
  • Prediction
  • Recovery

ASJC Scopus subject areas

  • Biophysics


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