Experimental modelling of biomechanical impedance characteristics

T. Yamamoto; H. Oka

doi:10.1007/BF02443965

Experimental modelling of biomechanical impedance characteristics

T. Yamamoto, H. Oka

Graduate School of Health Sciences

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

New experimental modelling of biomechanical impedance is proposed. The parameters which express the impedance characteristics are simply determined by impedance measurement. Audiofrequencies below about 1000 Hz and comparatively lower preloads (below about 6370 kg m^-2) are chosen as the research domain. This model, however, can express wide range of body surface impedance not only in soft but also in stiff and intermediate tissues. It will never introduce the impracticably ideal conditions found in the mathematcial models proposed to date. Furthermore the parameters which express the model cannot be determined by impedance measurement alone. The impedance Z(jw) is expressed in two parts: the impedance Z₁ (jw) at a higher frequency including a complex mass and the impedance Z₂(jw) at a lower frequency including a complex compliance of Cole-Cole's type. Z₁(jw) is the property of body fluid and Z₂(jw) is that of a viscoelastic body.

Original language	English
Pages (from-to)	493-498
Number of pages	6
Journal	Medical & Biological Engineering & Computing
Volume	24
Issue number	5
DOIs	https://doi.org/10.1007/BF02443965
Publication status	Published - Sep 1 1986

Keywords

Biomechanical impedance
Biomechanical properties
Impedance
Modelling of human body

ASJC Scopus subject areas

Biomedical Engineering
Computer Science Applications

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abstract = "New experimental modelling of biomechanical impedance is proposed. The parameters which express the impedance characteristics are simply determined by impedance measurement. Audiofrequencies below about 1000 Hz and comparatively lower preloads (below about 6370 kg m-2) are chosen as the research domain. This model, however, can express wide range of body surface impedance not only in soft but also in stiff and intermediate tissues. It will never introduce the impracticably ideal conditions found in the mathematcial models proposed to date. Furthermore the parameters which express the model cannot be determined by impedance measurement alone. The impedance Z(jw) is expressed in two parts: the impedance Z1 (jw) at a higher frequency including a complex mass and the impedance Z2(jw) at a lower frequency including a complex compliance of Cole-Cole's type. Z1(jw) is the property of body fluid and Z2(jw) is that of a viscoelastic body.",

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AB - New experimental modelling of biomechanical impedance is proposed. The parameters which express the impedance characteristics are simply determined by impedance measurement. Audiofrequencies below about 1000 Hz and comparatively lower preloads (below about 6370 kg m-2) are chosen as the research domain. This model, however, can express wide range of body surface impedance not only in soft but also in stiff and intermediate tissues. It will never introduce the impracticably ideal conditions found in the mathematcial models proposed to date. Furthermore the parameters which express the model cannot be determined by impedance measurement alone. The impedance Z(jw) is expressed in two parts: the impedance Z1 (jw) at a higher frequency including a complex mass and the impedance Z2(jw) at a lower frequency including a complex compliance of Cole-Cole's type. Z1(jw) is the property of body fluid and Z2(jw) is that of a viscoelastic body.

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Experimental modelling of biomechanical impedance characteristics

Abstract

Keywords

ASJC Scopus subject areas

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