... properties of cells, will be described. inelastic nonlinear elastic cell mechanics viscoelasticity cytoskeleton Mechanical forces play an indispensable role in a myriad of physiological processes, such as morphogenesis, cytokinesis, and migration. In those processes, cells adhere to each other...

.... uterine suspensory tissue cardinal ligament uterosacral ligament viscoelasticity pelvic organ prolapse Pelvic floor dysfunction has resulted in 11% of American women undergoing surgery during their lifespan [ 1 ]. Over 200,000 prolapse operations are performed each year; this is as many...

... in determining the TMJ disc material properties, which is an effect not typically seen with synthetic materials. The presented analysis demonstrated, for the first time, the applicability of viscoelastic models, previously applied to synthetic polymer materials, to a complex hierarchical biomaterial...

... September 12, 2013; published online October 1, 2013. Assoc. Editor: Guy M. Genin. 14 02 2013 13 08 2013 12 09 2013 This technical brief serves as an update to our previous work characterizing the region-dependence of viscoelastic mechanical properties of the P17 and adult rat...

...Shawn P. Reese; Jeffrey A. Weiss References [1] Bonifasi-Lista , C. , Lake , S. P. , Small , M. S. , and Weiss , J. A. , 2005 , “ Viscoelastic Properties of the Human Medial Collateral Ligament Under Longitudinal, Transverse and Shear Loading ,” J. Orthop. Res. , 23 , pp...

... important issues: (1) tissue viscoelasticity; (2) the effects of longitudinal waves and rigid body motion on estimates of shear modulus; and (3) mechanical anisotropy. In the current study we extend the LFE technique to (1) estimate the (complex) viscoelastic shear modulus in lossy media; (2) eliminate...

...Jaclyn Kondratko; Sarah Duenwald-Kuehl; Roderic Lakes; Ray Vanderby Tendons connect muscle to bone and transmit loads from muscle to move and stabilize joints and absorb impacts. They stretch up to 4%–6% strain during in vivo loading [ 1–3 ] and display both elastic and viscoelastic behaviors...

... analysis of the fibers alone and with adherent cells. The device is capable of optically recording fiber strain in a cell culture environment. Here we report on the mechanical and viscoelastic properties of highly parallel electrospun poly(ε-caprolactone) fibers. Force-strain data derived from this device...

... study in the literature to investigate the pressure profile (interface pressure with time) generated by a compression bandage when applied at different levels of strain. The present study attempts to describe the pressure profile, with the use of a quasi-linear viscoelastic model, generated...

... . 10.1016/j.exer.2009.01.010 20 Ahearne , M. , Yang , Y. , Then , K. Y. , and Liu , K. , 2007 , “ An Indentation Technique to Characterize the Mechanical and Viscoelastic Properties of Human and Porcine Corneas ,” Ann. Biomed. Eng. , 35 , pp. 1609 – 1616 . 10.1007/s10439-007...

... in a flexible tube. To evaluate the applicability of the model, we compared theoretical estimations with measured data obtained from basic tube models and a simple arterial model. We constructed different viscoelastic tube set-ups: two straight tubes; one tube connected to two tubes of different elasticity...

... that simulates bone fracture while ligaments were governed by a viscoelastic material law. To mimic experimental studies performed in fast dynamic compression, a compressive loading velocity of 1 m/s was applied to the superior half of L2, while the inferior half of L3 was fixed. An exploratory technique...

...G. A. Meyer; A. D. McCulloch; R. L. Lieber The material properties of passive skeletal muscle are critical to proper function and are frequently a target for therapeutic and interventional strategies. Investigations into the passive viscoelasticity of muscle have primarily focused on characterizing...

... deformation nonlinearities that inherently exist in cartilage, and accounts for effects associated with fiber dispersion and reorientation and intrinsic viscoelasticity at relatively high strains. A new optimization cost function was used to overcome problems associated with large peak-to-peak differences...

...Rashmi Raghu; Irene E. Vignon-Clementel; C. Alberto Figueroa; Charles A. Taylor It is well known that blood vessels exhibit viscoelastic properties, which are modeled in the literature with different mathematical forms and experimental bases. The wide range of existing viscoelastic wall models may...

...Benjamin S. Elkin; Ashok Ilankova; Barclay Morrison, III Stress relaxation tests using a custom designed microindentation device were performed on ten anatomic regions of fresh porcine brain (postmortem time <3 h). Using linear viscoelastic theory, a Prony series representation was used...

... and the applied preload were different. The Young’s modulus was calculated from a viscoelastic model, and the permeability from a linear biphasic poroviscoelastic model. Important differences were observed in the prediction of the mechanical properties of the IVD according to the initial experimental conditions...

... in the literature both show that the tendon behaves as an anisotropic viscoelastic material depending greatly on history of loading. Indeed, taking into account nonreversible macroscopic relaxed stress and the hysteresis loops during loadings and relaxations, the tendon evolves outside equilibrium state...

... tissue damage occurs during this period due to the reduced blood supply to the harvested liver and the change in its temperature. We investigate the effect of preservation period on the dynamic material properties of bovine liver using a viscoelastic model derived from both impact and ramp and hold...

... pulposus works its way through the annulus through clefts, which form as a result of repetitive tensile strain. The annulus fibrosus is viscoelastic in nature and therefore could express different mechanical responses to applied strain at varying rates. Other viscoelastic tissues, including tendons...