Dynamic hydrostatic pressure enhances differentially the chondrogenesis of meniscal cells from the inner and outer zone.

abstract：:In this paper, we measured the maximum isometric force at the hand in eight directions in the horizontal plane and at five positions in the workplace. These endpoint forces were the result of shoulder horizontal adduction/abduction and elbow flexion/extension torques. We found that the normalized maximum forces of all...

journal_title：Journal of biomechanics

authors： Jan Nijhof E,Gabriel DA

更新日期：2006-01-01 00:00:00

abstract：:The purpose of this work was to establish a controlled and reversible muscle weakness model for studying the effects of weakness on joint degeneration leading to osteoarthritis (OA). The knee extensor muscles of rabbits were injected with single or repeat doses of Botulinum type-A toxin (BTX-A) to partially inhibit ac...

journal_title：Journal of biomechanics

authors： Herzog W,Longino D

更新日期：2007-01-01 00:00:00

abstract：:Perturbed aorta hemodynamics, as for the carotid and the coronary artery, has been identified as potential predicting factor for cardiovascular diseases. In this study, we propose a parametric study based on the computational fluid dynamics with the aim of providing information regarding aortic disease. In particular,...

journal_title：Journal of biomechanics

authors： Cilla M,Casales M,Peña E,Martínez MA,Malvè M

更新日期：2020-04-16 00:00:00

abstract：:The question of whether the mechanical stiffness of a coronary bypass or that of a diseased coronary artery can have a significant effect on the hemodynamics in these vessels is addressed analytically, with emphasis on the effects of wave reflections. The analysis is based on a model of the vessels involved, and the r...

journal_title：Journal of biomechanics

authors： Alderson H,Zamir M

更新日期：2001-11-01 00:00:00

abstract：:A series of 33 human femoral bones have been subjected to a four point bending test at high strain rates. Two different failure modes were recognized. A Y shaped fracture at the middle region induced by a pure bending moment yielded a zone of non-linearity at the load vs deformation curve and a higher bending force, m...

journal_title：Journal of biomechanics

authors： Martens M,van Audekercke R,de Meester P,Mulier JC

更新日期：1986-01-01 00:00:00

abstract：:Stair-climbing while doing a concurrent task like talking or holding an object is a common activity of daily living which poses high risk for falls. While biomechanical analyses of overground walking during dual-tasking have been studied extensively, little is known on the biomechanics of stair-climbing while dual-tas...

journal_title：Journal of biomechanics

authors： Vallabhajosula S,Tan CW,Mukherjee M,Davidson AJ,Stergiou N

更新日期：2015-04-13 00:00:00

abstract：:Healthy humans display a preference for walking at a stride frequency dependent on the inertial properties of their legs. Walking at preferred stride frequency (PSF) is predicted to maximize local dynamic stability, whereby sensitivity to intrinsic perturbations arising from natural variability inherent in biological ...

journal_title：Journal of biomechanics

authors： Russell DM,Haworth JL

更新日期：2014-01-03 00:00:00

abstract：:Serial manipulators are often used in biomechanical testing of human joints because they are precise, repeatable instruments that can create interesting loading scenarios. Unfortunately, commercial serial manipulators often do not have acceptable global positional accuracy due to manufacturing tolerances, assembly err...

journal_title：Journal of biomechanics

authors： Hill I,Banks S

更新日期：2014-01-03 00:00:00

abstract：:A three-dimensional, mathematical model of the elbow and wrist joints, including 15 muscle units, 3 ligaments and 4 joint forces, has been developed. A new strain gauge transducer has been developed to measure functional grip forces. The device measures radial forces divided into six components and forces of up to 250...

journal_title：Journal of biomechanics

authors： Chadwick EK,Nicol AC

更新日期：2000-05-01 00:00:00

abstract：:The hypothesis that thrombus can be induced by localized shear stresses/rates, such as in the bent/stretched microvessels, was tested both experimentally and computationally. Our newly designed in vivo experiments were performed on the microvessels (post-capillary venules, 20-50 microm diameter) of rat mesentery. Thes...

journal_title：Journal of biomechanics

authors： Liu Q,Mirc D,Fu BM

更新日期：2008-08-28 00:00:00

abstract：:The paper focuses on research that enables the relationship between food and selected mechanical parameters do be determined. The main aim of the study was to designate, depending on the food: (1) the work of a single muscle (i.e. masseter, medial pterygoid, temporalis), and (2) the energy balance of mandibular elevat...

journal_title：Journal of biomechanics

authors： Stróżyk P,Jacek B

更新日期：2020-06-09 00:00:00

abstract：:We searched for the consequences of a maximal static foot inversion sustained until exhaustion on the post-exercise stationary upright standing and the proprioceptive control of the foot muscles. Twelve healthy subjects executed an unilateral maximal static foot inversion during which continuous power spectrum analyse...

journal_title：Journal of biomechanics

authors： Vie B,Gomez N,Brerro-Saby C,Weber JP,Jammes Y

更新日期：2013-06-21 00:00:00

abstract：:This study aimed at testing the reliability and construct validity of a trunk perturbation protocol (TPP) that estimates the intrinsic and reflexive contributions to low-back stiffness. The TPP consists of a series of pseudorandom position-controlled trunk perturbations in an apparatus measuring forces and displacemen...

journal_title：Journal of biomechanics

authors： Larivière C,Ludvig D,Kearney R,Mecheri H,Caron JM,Preuss R

更新日期：2015-01-21 00:00:00

abstract：:Parallel to the massive use of image-based computational hemodynamics to study the complex flow establishing in the human aorta, the need for suitable experimental techniques and ad hoc cases for the validation and benchmarking of numerical codes has grown more and more. Here we present a study where the 3D pulsatile ...

journal_title：Journal of biomechanics

authors： Gallo D,Gülan U,Di Stefano A,Ponzini R,Lüthi B,Holzner M,Morbiducci U

更新日期：2014-09-22 00:00:00

abstract：:High-energy synchrotron X-ray scattering (>60 keV) allows noninvasive quantification of internal strains within bone. In this proof-of-principle study, wide angle X-ray scattering maps internal strain vs position in cortical bone (murine tibia, bovine femur) under compression, specifically using the response of the mi...

journal_title：Journal of biomechanics

authors： Stock SR,Yuan F,Brinson LC,Almer JD

更新日期：2011-01-11 00:00:00

abstract：:In this paper the mechanical response of soft collagenous tissues with regular fiber arrangement (RSCTs) is described by means of a nanoscale model and a two-step micro-macro homogenization technique. The non-linear collagen constitutive behavior is modeled at the nanoscale by a novel approach accounting for entropic ...

journal_title：Journal of biomechanics

authors： Maceri F,Marino M,Vairo G

更新日期：2010-01-19 00:00:00

abstract：:The maximum tetanic tension of skeletal muscle (P(0)) is often estimated based on calculation of physiological cross-sectional area (PCSA). PCSA depends on muscle volume, pennation angle, and fiber length. Studies documenting PCSA in fixed human muscles usually compute muscle volume by dividing muscle mass by density....

journal_title：Journal of biomechanics

authors： Ward SR,Lieber RL

更新日期：2005-11-01 00:00:00

abstract：:The principal motivation for the present work was the study of the kinetics of anaerobic metabolism. A new mathematical model of the bioenergetics of sprinting, incorporating a three-equation representation of anaerobic metabolism, is developed. Results computed using the model are compared with measured data from the...

journal_title：Journal of biomechanics

authors： Ward-Smith AJ,Radford PF

更新日期：2000-08-01 00:00:00

abstract：:The structure and function of the renal artery ostium flow diverter on the caudal side of the renal branch point were previously reported; in this study, we further evaluate the diverter׳s possible functions. The protrusion of this structure into the abdominal aorta suggests that the diverter may preferentially direct...

journal_title：Journal of biomechanics

authors： Albert S,Balaban RS,Neufeld EB,Rossmann JS

更新日期：2014-05-07 00:00:00

abstract：:We previously reported an ultrasound method for measuring the depth-dependent equilibrium mechanical properties of articular cartilage using quasi-static compression. The objective of this paper was to introduce our recent development for nondestructively measuring the transient depth-dependent strains of full-thickne...

journal_title：Journal of biomechanics

authors： Zheng YP,Niu HJ,Arthur Mak FT,Huang YP

更新日期：2005-09-01 00:00:00

abstract：:The aligned axonal fiber bundles in white matter make it suitable to be modeled as a transversely isotropic material. Recent experimental studies have shown that a minimal form, nearly incompressible transversely isotropic (MITI) material model, is capable of describing mechanical anisotropy of white matter. Here, we ...

journal_title：Journal of biomechanics

authors： Feng Y,Qiu S,Xia X,Ji S,Lee CH

更新日期：2017-05-24 00:00:00

abstract：:A new software tool to assign the material properties of bone to an ABAQUS finite element mesh was created and compared with Bonemat, a similar tool originally designed to work with Ansys finite element models. Our software tool (py_bonemat_abaqus) was written in Python, which is the chosen scripting language for ABAQ...

journal_title：Journal of biomechanics

authors： Pegg EC,Gill HS

更新日期：2016-09-06 00:00:00

abstract：:In a previous study we were able to accurately fit experimental data on arterial tissues at supra-physiological loads using a material model that accounts for softening/damage only in the portion of the model associated with the collagen fibers (Weisbecker et al., 2012). Naturally, this result leads to the hypothesis ...

journal_title：Journal of biomechanics

authors： Weisbecker H,Viertler C,Pierce DM,Holzapfel GA

更新日期：2013-07-26 00:00:00

abstract：:The mechanism of vertebral wedge fractures remains unclear and may relate to typical variations in the mechanical behavior of the intervertebral disc. To gain insight, we tested 16 individual whole discs (between levels T8 and L5) from nine cadavers (mean±SD: 66±16 years), loaded in compression at different rates (0.0...

journal_title：Journal of biomechanics

authors： Yang H,Jekir MG,Davis MW,Keaveny TM

更新日期：2016-05-03 00:00:00

abstract：:Individual differences in bone mass distribution at the proximal femur may be determined by daily weight-bearing physical activity (PA) since bone self-adapts according to the mechanical loads that is submitted. The aim of this study was to analyse computationally the effect of different weight-bearing PA types in the...

journal_title：Journal of biomechanics

authors： Machado MM,Fernandes PR,Cardadeiro G,Baptista F

更新日期：2013-09-03 00:00:00

abstract：:Cellular mechanics is known to play an important role in many cellular functions including adhesion, migration, proliferation, and differentiation. Human mesenchymal stem cells (hMSCs) demonstrate unique mechanical properties distinct from fully differentiated cells. This observation suggests that the stem cell mechan...

journal_title：Journal of biomechanics

authors： Titushkin I,Cho M

更新日期：2011-10-13 00:00:00

abstract：:Significant ground reaction forces exceeding body weight occur during the heel-strike phase of gait. The standard methods of analytical dynamics used to solve the impact problem do not accommodate well the heel-strike collision due to the persistent contact at the front foot and presence of contact at the back foot. T...

journal_title：Journal of biomechanics

authors： Kaplan ML,Heegaard JH

更新日期：2000-06-01 00:00:00

abstract：:This study was mainly performed to investigate the effects of high maxillary expansion forces on the skull with fresh and thiel-fixed human skulls. The maxillary suture was not weakened except in one experiment. This study compares the strain measured on the zygomatic process of the skull with the results of a finite ...

journal_title：Journal of biomechanics

authors： Boryor A,Hohmann A,Wunderlich A,Geiger M,Kilic F,Sander M,Sander C,Böckers T,Günter Sander F

更新日期：2010-05-07 00:00:00

abstract：:Head injury is a persistent and costly problem for both children and adults. Globally, approximately 10 million people are hospitalized each year for head injuries. Knowing the structural properties of the head is important for modeling the response of the head in impact, and for providing insights into mechanisms of ...

journal_title：Journal of biomechanics

authors： Loyd AM,Nightingale RW,Luck JF,Song Y,Fronheiser L,Cutcliffe H,Myers BS,Dale Bass CR

更新日期：2015-11-05 00:00:00

abstract：:Joint moments are commonly used to characterize gait. Factors like height and weight influence these moments. This study determined which of two commonly used normalization methods, body mass or body weight times height, most reduced the effects of height and weight on peak hip, knee, and ankle external moments during...

journal_title：Journal of biomechanics

authors： Moisio KC,Sumner DR,Shott S,Hurwitz DE

更新日期：2003-04-01 00:00:00