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A Poroelastic Model of Skeletal Muscle Tissue Used to Predict Intramuscular Pressure

[+] Author Affiliations
Duane A. Morrow, Kenton R. Kaufman

Mayo Clinic, Rochester, MNMichigan Technological University, Houghton, MI

Tammy L. Haut Donahue

Colorado State University, Fort Collins, CO

Gregory M. Odegard

Michigan Technological University, Houghton, MI

Paper No. SBC2012-80346, pp. 719-720; 2 pages
doi:10.1115/SBC2012-80346
From:
  • ASME 2012 Summer Bioengineering Conference
  • ASME 2012 Summer Bioengineering Conference, Parts A and B
  • Fajardo, Puerto Rico, USA, June 20–23, 2012
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-4480-9
  • Copyright © 2012 by ASME

abstract

Many single-phase, solid mechanics computational models of skeletal muscle have been created based on the assumptions that skeletal muscle is hyperelastic, transversely isotropic,1,2 and isovolumic. However, muscle has also been observed to have non-linear time-dependent behaviors that can be modeled using viscoelasticity or poroelasticity. The inherent viscoelasticity of muscle may not fully explain the time-dependent nature that may arise from extracellular fluid filtration3 and redistribution4 within the tissue. Further, intramuscular pressure (IMP) has been shown to have a heterogeneous distribution in muscle. This may be attributable to the movement of extracellular fluid, but the mechanisms of fluid redistribution are not completely understood. While a viscoelastic model may predict time-dependent responses of skeletal muscle, viscoelastic theory does not explain underlying causative tissue behaviors.5

Copyright © 2012 by ASME

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