Measurement of the axial and circumferential mechanical properties of rat skin tissue at different anatomical locations

Karimi, Alireza; Haghighatnama, Maedeh; Navidbakhsh, Mahdi; Haghi, Afsaneh Motevalli

doi:10.1515/bmt-2014-0084

Cited by 7 publications

(3 citation statements)

References 59 publications

(67 reference statements)

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“…41–43 Tests in multiple directions would be required to determine the anisotropic behavior of the material. 43–45 Specimen wrinkling can also complicate uniaxial tests and cause one portion of the material to be loaded greater than the other. Furthermore, to prevent the slippage of the sample from the clamps, fixation techniques such as using freeze clamp, 46 serrated jaw clamp, 47 wrapping the tissue in sandpaper or tissue paper at the ends, 48–51 and air dried ends 48 should be recruited.…”

Section: Skin Testingmentioning

confidence: 99%

Skin mechanical properties and modeling: A review

Joodaki

Panzer

2018

Proc Inst Mech Eng H

340

254

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The mechanical properties of the skin are important for various applications. Numerous tests have been conducted to characterize the mechanical behavior of this tissue, and this article presents a review on different experimental methods used. A discussion on the general mechanical behavior of the skin, including nonlinearity, viscoelasticity, anisotropy, loading history dependency, failure properties, and aging effects, is presented. Finally, commonly used constitutive models for simulating the mechanical response of skin are discussed in the context of representing the empirically observed behavior.

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Section: Skin Testingmentioning

confidence: 99%

Skin mechanical properties and modeling: A review

Joodaki

Panzer

2018

Proc Inst Mech Eng H

340

254

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“…Although an innovative depth dependent biphasic transversely isotropic model has been used in this study to address the mechanical properties of the AC, it is the author's belief that a more complicated and precise model can be presented using hyperelastic material models, such as Ogden, [27][28][29] Mooney-Rivlin, [30][31][32][33][34] Neo-Hookean, [35][36][37][38] and Yeoh. [39][40][41][42][43][44][45][46][47][48] IV.…”

Section: Resultsmentioning

confidence: 99%

Model for analyzing the mechanical behavior of articular cartilage under creep indentation test

Elhamian¹,

Karami²,

Alizadeh³

et al. 2014

Journal of Applied Physics

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General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal ? Take down policyIf you believe that this document breaches copyright please contact us providing details, and we will remove access to the work immediately and investigate your claim. In this study, an innovative depth dependent biphasic transversely isotropic model (DBT) was proposed to study the mechanical behavior of Articular Cartilage (AC). To find a more precise model to address the mechanical behavior of AC, the vital role of collagen fibers in all zones of the AC has been taken into account and depth dependent elasticity mechanical properties of cartilage are calculated as a function of collagen fibers orientation and volume fraction. Material parameters of permeability function were calculated in such a way that the variations of indenter displacement with time predicted by Finite Element Method (FEM) simulation for creep indentation test of the AC sample based on DBT model. In addition, the test was simulated by an isotropic-biphasic model to compare the capabilities of these two models and difference in mechanical behaviors of biphasic-isotropic and depth dependent transversely isotropic materials. According to the calculations, the presence of collagen fibers triggers increasing of stresses in fibers direction and decreasing of stresses perpendicular to fiber direction in the superficial and deep zones of AC. The findings of this study may have implications not only for calculating stress distributions in AC components but also for developing progressive damage model of AC for predicting osteoarthritic cartilage behavior in different cartilage-related diseases. V C 2014 AIP Publishing LLC.

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“…Karimi et al performed a study on the linear elastic and nonlinear hyperelastic mechanical properties of the rat skin at different anatomical locations. 29,30 The viscoelastic properties of the skin tissues have applications in research and medical communities as the current skin simulation models, which are used for surgery or injury simulation, contain a detailed anatomical description but lack accurate validated mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Measurement of the viscoelastic mechanical properties of the skin tissue under uniaxial loading

Karimi

Haghighatnama

Shojaei

et al. 2015

Proceedings of the Institution of Mechanical Engineers, Part L:

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Skin as an external membrane has a key asset in the human body, i.e. heat balance and protection from the peripheral mechanical loads. The mechanical properties of the skin tissue are almost intricate under various loading conditions that may also differ according to the anatomical locations of a body. Although the mechanical properties of the skin tissue have been largely studied using different testing methods as well as different material models, the time-dependent viscoelastic mechanical behavior of the skin in different anatomical regions has not been quantified via the Quasilinear viscoelastic model. In this study, the quasi-linear viscoelastic mechanical properties of the rat back and abdomen skins were computed under uniaxial loading. The relaxation test was carried out on the back and abdomen of eight rats and afterward the quasi-linear viscoelastic coefficients were calculated by fitting the quasi-linear viscoelastic model to the experimental stress-relaxation data. The results revealed that the peak stress in the abdomen skin samples is slightly higher than that of the back ones. Besides, the stress reached to a balance in 100 s for both the back and abdomen skin tissues in tension. The findings of this study may have implications not only for understanding the viscoelastic timedependent mechanical behavior of the back and abdomen skin tissues but also to give a biomechanical awareness in a variety of areas such as tissue engineering, dermatology, and cosmetics industry.

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Measurement of the axial and circumferential mechanical properties of rat skin tissue at different anatomical locations

Cited by 7 publications

References 59 publications

Skin mechanical properties and modeling: A review

Skin mechanical properties and modeling: A review

Model for analyzing the mechanical behavior of articular cartilage under creep indentation test

Measurement of the viscoelastic mechanical properties of the skin tissue under uniaxial loading

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