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A Finite Element Approach for the Modelling of Skeletal Muscle Fatigue

✍ Scribed by M. Böl; S. Reese

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
438 KB
Volume
32
Category
Article
ISSN
0936-7195

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✦ Synopsis

Skeletal muscles are the primary unit for the movement of the human body, they serve as shock absorber and protect the skeleton system against external loads. By maintaining a certain force level, muscle show fatigue effects, expressed by a decrease of the retentive force. To incorporate such effects in a finite element framework, we use a fatigue model that allows us to describe the dynamical processes between active, fatigued, and recovered fibres. The chosen modelling strategy facilitates the efficient transport of the known information about physiological processes in the single fibre to the three-dimensional macroscopic level where e. g. the dependence of muscle contraction on fatigue effects is studied. Besides the theoretical derivation of the modelling approach, simulations at fibre as well as at muscle level have been investigated.

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