Elastic- And viscous-like properties of the upper arm estimated by the indentation method

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The purpose of this study is to estimate the elastic- And viscous-like properties of the human upper arm using the indentation method. Healthy male subjects put their upper arms horizontally on a table. An indenter was placed 1-2 mm over the upper arm. When the indenter was moved vertically with a robot arm, the displacement of the indenter and the force were measured. First, the relationships between the displacement and the force were modeled using several variations on the non-linear Voigt model. The model based on Herz's theory did not provide a good approximation of the indentation responses, but the proposed model did. Next, the indentation point dependency of the upper arm was investigated. The muscle hardness (elasticity and viscosity) was invariant in a relatively large area of the upper arm. Finally, the elastic and viscous coefficients of the upper arm were estimated when the subject was holding a weight. The heavier the weight was, the larger the elastic and viscous coefficients were. The results suggest that the muscle hardness can be evaluated quantitatively with the elastic and viscous coefficients estimated by the proposed model.

Original languageEnglish
Title of host publicationAPBME 2003 - IEEE EMBS Asian-Pacific Conference on Biomedical Engineering 2003
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages268-269
Number of pages2
ISBN (Print)0780379438, 9780780379435
DOIs
Publication statusPublished - 2003
EventIEEE EMBS Asian-Pacific Conference on Biomedical Engineering 2003, APBME 2003 - Kyoto-Osaka-Nara, Japan
Duration: 2003 Oct 202003 Oct 22

Other

OtherIEEE EMBS Asian-Pacific Conference on Biomedical Engineering 2003, APBME 2003
CountryJapan
CityKyoto-Osaka-Nara
Period03/10/2003/10/22

Keywords

  • Elasticity
  • Muscle hardness
  • Palpation
  • Viscosity

ASJC Scopus subject areas

  • Biomedical Engineering

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