abstract：:The objective of this study was to calculate stresses in bone tissue surrounding uncoupled and splinted implants that are induced by a bite force applied to the mandible and to determine whether the number of mandibular overdenture supporting implants in mandibular bone influence the stress distribution. A human adult...

journal_title：Journal of biomechanics

authors： Arat Bilhan S,Baykasoglu C,Bilhan H,Kutay O,Mugan A

更新日期：2015-01-02 00:00:00

abstract：:Tendons are able to transmit high loads efficiently due to their finely optimized hierarchical collagen structure. Two mechanisms by which tendons respond to load are collagen fibril sliding and deformation (stretch). Although many studies have demonstrated that regional variations in tendon structure, composition, an...

journal_title：Journal of biomechanics

authors： Connizzo BK,Sarver JJ,Han L,Soslowsky LJ

更新日期：2014-12-18 00:00:00

abstract：:The aim of this study was to test the hypothesis that running at fixed fractions of Froude (Nfr) and Strouhal (Str) dimensionless numbers combinations induce dynamic similarity between humans of different sizes. Nineteen subjects ran in three experimental conditions, (i) constant speed, (ii) similar speed (Nfr) and (i...

journal_title：Journal of biomechanics

authors： Villeger D,Costes A,Watier B,Moretto P

更新日期：2014-12-18 00:00:00

abstract：:Local dynamic stability has been assessed by the short-term local divergence exponent (λS), which quantifies the average rate of logarithmic divergence of infinitesimally close trajectories in state space. Both increased and decreased local dynamic stability at faster walking speeds have been reported. This might pert...

journal_title：Journal of biomechanics

authors： Stenum J,Bruijn SM,Jensen BR

更新日期：2014-11-28 00:00:00

abstract：:Understanding proximal femur fracture may yield new targets for fracture prevention screening and treatment. The goal of this study was to characterize force-displacement and failure behaviours in the proximal femur between displacement control and impact loading fall simulations. Twenty-one human proximal femurs were...

journal_title：Journal of biomechanics

authors： Gilchrist S,Nishiyama KK,de Bakker P,Guy P,Boyd SK,Oxland T,Cripton PA

更新日期：2014-11-28 00:00:00

abstract：:The amount of microdamage in bone tissue impairs mechanical performance and may act as a stimulus for bone remodeling. Here we determine how loading mode (tension vs. compression) and microstructure (trabecular microarchitecture, local trabecular thickness, and presence of resorption cavities) influence the number and...

journal_title：Journal of biomechanics

authors： Lambers FM,Bouman AR,Tkachenko EV,Keaveny TM,Hernandez CJ

更新日期：2014-11-28 00:00:00

abstract：:We induced mild blunt and blast injuries in rats using a custom-built device and utilized in-house diffusion tensor imaging (DTI) software to reconstruct 3-D fiber tracts in brains before and after injury (1, 4, and 7 days). DTI measures such as fiber count, fiber length, and fractional anisotropy (FA) were selected t...

journal_title：Journal of biomechanics

authors： Begonia MT,Prabhu R,Liao J,Whittington WR,Claude A,Willeford B,Wardlaw J,Wu R,Zhang S,Williams LN

更新日期：2014-11-28 00:00:00

abstract：:In this study, a three-dimensional finite element model was used to investigate the changes in tissue composition and mechanical signals within human lumbar intervertebral disc during the degenerative progression. This model was developed based on the cell-activity coupled mechano-electrochemical mixture theory. The d...

journal_title：Journal of biomechanics

authors： Zhu Q,Gao X,Gu W

更新日期：2014-11-28 00:00:00

abstract：:The mechanical properties of vertebrate erythrocytes depend on their cytoskeletal protein networks. Membrane skeleton proteins spectrin and protein 4.1 (4.1R) cross-link with actin to maintain membrane stability under mechanical stress. Phosphorylation of 4.1R alters the affinity of 4.1R for spectrin-actin binding and...

journal_title：Journal of biomechanics

authors： Tang F,Lei X,Xiong Y,Wang R,Mao J,Wang X

更新日期：2014-10-17 00:00:00

abstract：:The paper analyzes the connection between microstructure of the osteonal cortical bone and its overall elastic properties. The existing models either neglect anisotropy of the dense tissue or simplify cortical bone microstructure (accounting for Haversian canals only). These simplifications (related mostly to insuffic...

journal_title：Journal of biomechanics

authors： Salguero L,Saadat F,Sevostianov I

更新日期：2014-10-17 00:00:00

abstract：:Here we extend the global, closed-loop, mathematical model for the cardiovascular system in Müller and Toro (2014) to account for fundamental mechanisms affecting cerebral venous haemodynamics: the interaction between intracranial pressure and cerebral vasculature and the Starling-resistor like behaviour of intracrani...

journal_title：Journal of biomechanics

authors： Müller LO,Toro EF

更新日期：2014-10-17 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：:Local intracellular variations of cell mechanical properties, which are essential for vital cellular functions, have not been well characterized and are poorly understood. Here, we used results from our previous biomechanical imaging study to obtain relationships between intracellular shear modulus and prestress. We f...

journal_title：Journal of biomechanics

authors： Canović EP,Seidl DT,Barbone PE,Smith ML,Stamenović D

更新日期：2014-09-22 00:00:00

abstract：:Exergames provide a challenging opportunity for home-based training and evaluation of postural control in the elderly population, but affordable sensor technology and algorithms for assessment of whole body movement patterns in the home environment are yet to be developed. The aim of the present study was to evaluate ...

journal_title：Journal of biomechanics

authors： van Diest M,Stegenga J,Wörtche HJ,Postema K,Verkerke GJ,Lamoth CJ

更新日期：2014-09-22 00:00:00

abstract：:The extensor apparatus, an aponeurosis that covers the dorsal side of each finger, transmits force from a number of musculotendons to the phalanges. Multiple tendons integrate directly into the structure at different sites and the extensor apparatus attaches to the phalanges at multiple points. Thus, prediction of the...

journal_title：Journal of biomechanics

authors： Qian K,Traylor K,Lee SW,Ellis B,Weiss J,Kamper D

更新日期：2014-09-22 00:00:00

abstract：:The shoulder (glenohumeral) joint has the greatest range of motion of all human joints; as a result, it is particularly vulnerable to dislocation and injury. The ability to non-invasively quantify in-vivo articular cartilage contact patterns of joints has been and remains a difficult biomechanics problem. As a result,...

journal_title：Journal of biomechanics

authors： Massimini DF,Warner JJ,Li G

更新日期：2014-09-22 00:00:00

abstract：:A better understanding of the abdominal wall biomechanics could help designing new treatments for incisional hernia. In the current study, an experimental protocol was developed to evaluate the contributions of the abdominal wall components to the structural response of the anterior part of the abdominal wall. The spe...

journal_title：Journal of biomechanics

authors： Tran D,Mitton D,Voirin D,Turquier F,Beillas P

更新日期：2014-09-22 00:00:00

abstract：:Baropodometry and multi-segmental foot kinematics are frequently employed to obtain insight into the mechanics of the foot-ground interaction in both basic research and clinical settings. However, nothing hitherto has been reported on the full integration of kinematics with baropodometric parameters, and only a few st...

journal_title：Journal of biomechanics

authors： Giacomozzi C,Leardini A,Caravaggi P

更新日期：2014-08-22 00:00:00

abstract：:Artery bent buckling has been suggested as a possible mechanism that leads to artery tortuosity, which is associated with aging, hypertension, atherosclerosis, and other pathological conditions. It is necessary to understand the relationship between microscopic wall structural changes and macroscopic artery buckling b...

journal_title：Journal of biomechanics

authors： Liu Q,Wen Q,Mottahedi M,Han HC

更新日期：2014-08-22 00:00:00

abstract：:Hip joint dislocations related to total hip arthroplasty (THA) are a common complication especially in the early postoperative course. The surgical approach, the alignment of the prosthetic components, the range of motion and the muscle tone are known factors influencing the risk of dislocation. A further factor that ...

journal_title：Journal of biomechanics

authors： Prietzel T,Hammer N,Schleifenbaum S,Kaßebaum E,Farag M,von Salis-Soglio G

更新日期：2014-08-22 00:00:00

abstract：:Bone strains resulting from physical activity are thought to be a primary driver of bone adaptation, but cannot be directly noninvasively measured. Because bone adapts nonuniformly, physical activity may make an important independent structural contribution to bone strength that is independent of bone mass and density...

journal_title：Journal of biomechanics

authors： Bhatia VA,Edwards WB,Troy KL

更新日期：2014-08-22 00:00:00

abstract：:As 3-dimensional (3D) motion-capture for clinical gait analysis continues to evolve, new methods must be developed to improve the detection of gait cycle events based on kinematic data. Recently, the application of principal component analysis (PCA) to gait data has shown promise in detecting important biomechanical f...

journal_title：Journal of biomechanics

authors： Osis ST,Hettinga BA,Leitch J,Ferber R

更新日期：2014-08-22 00:00:00

abstract：:Because the hand is a complex poly-articular limb, numerous methods have been proposed to investigate its kinematics therefore complicating the comparison between studies and the methodological choices. With the objective of overcoming such issues, the present study compared the effect of three local frame definitions...

journal_title：Journal of biomechanics

authors： Goislard de Monsabert B,Visser JM,Vigouroux L,Van der Helm FC,Veeger HE

更新日期：2014-08-22 00:00:00

abstract：:The objective of our study was to evaluate the impact of a biphaseal anterior-posterior (AP) and internal-external (IE) motion restraint system on the wear behaviour, tibio-femoral kinematics and particle release of a mobile bearing posterior stabilised knee design in comparison to the widely used linear restraint. in...

journal_title：Journal of biomechanics

authors： Grupp TM,Schroeder C,Kyun Kim T,Miehlke RK,Fritz B,Jansson V,Utzschneider S

更新日期：2014-07-18 00:00:00

abstract：:In this study, a theoretical framework for simulation of fracture of bone and bone-like materials is provided. An expanded cohesive zone model with thermodynamically consistent framework has been proposed and used to investigate the crack growth resistance of bone and bone-like materials. The reversible elastic deform...

journal_title：Journal of biomechanics

authors： An B,Zhao X,Arola D,Zhang D

更新日期：2014-07-18 00:00:00

abstract：:Current MR methods use T2(*) relaxation time as a surrogate measure of ligament strength. Currently, a multi-echo voxel-wise least squares fit is the gold standard to create T2(*) maps; however, the post-processing is time-intensive and serves as a stopgap for clinical use. The study objective was to determine if an a...

journal_title：Journal of biomechanics

authors： Biercevicz AM,Walsh EG,Murray MM,Akelman MR,Fleming BC

更新日期：2014-07-18 00:00:00

abstract：:In recent years, there has been a surge of interest in magnesium (Mg) and its alloys as biomaterials for orthopaedic applications, as they possess desirable mechanical properties, good biocompatibility, and biodegradability. Also shown to be osteoinductive, Mg-based materials could be particularly advantageous in func...

journal_title：Journal of biomechanics

authors： Farraro KF,Kim KE,Woo SL,Flowers JR,McCullough MB

更新日期：2014-06-27 00:00:00

abstract：:The considerable blood mixing in the bidirectional Glenn (BDG) physiology further limits the capacity of the single working ventricle to pump enough oxygenated blood to the circulatory system. This condition is exacerbated under severe conditions such as physical activity or high altitude. In this study, the effect of...

journal_title：Journal of biomechanics

authors： Vallecilla C,Khiabani RH,Sandoval N,Fogel M,Briceño JC,Yoganathan AP

更新日期：2014-06-03 00:00:00

abstract：:Incisional hernia development is a significant complication after laparoscopic abdominal surgery. Intra-abdominal pressure (IAP) is known to initiate the extrusion of intestines through the abdominal wall, but there is limited data on the mechanics of IAP generation and the structural properties of rectus sheath. This...

journal_title：Journal of biomechanics

authors： Lyons M,Winter DC,Simms CK

更新日期：2014-06-03 00:00:00

abstract：:The aim of this study was to investigate the prevalence of abnormal knee biomechanical patterns in 40 patients with a modern TKA prosthesis, compared to 40 matched control participants when ascending and descending stairs. Fewer patients were able to ascend (65%) or descend stairs (53%) unassisted than controls (83%)....

journal_title：Journal of biomechanics

authors： McClelland JA,Feller JA,Menz HB,Webster KE

更新日期：2014-06-03 00:00:00

abstract：:In this study, we tested the compressive stress relaxation behaviors of the mandibular condylar and temporal cartilages in the porcine temporomandibular joint (TMJ). The aim was to determine the quantitative and qualitative similarities and differences of compressive stress relaxation behaviors between the two cartila...

journal_title：Journal of biomechanics

authors： Tanaka E,Pelayo F,Kim N,Lamela MJ,Kawai N,Fernández-Canteli A

更新日期：2014-05-07 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：:Knowledge of accurate in-vivo 6 degree-of-freedom (6-DOF) kinematics of total hip arthroplasty (THA) during daily activities is critical for improvement of longevity of the components. Previous studies assessed in-vivo THA kinematics using skin marker-based motion analysis. However, skin markers are prone to move with...

journal_title：Journal of biomechanics

authors： Tsai TY,Li JS,Wang S,Scarborough D,Kwon YM

更新日期：2014-05-07 00:00:00

abstract：:Rotator cuff tears (RCTs), the most common injury of the shoulder, are often accompanied by tears in the superior glenoid labrum. We evaluated whether superior humeral head (HH) motion secondary to RCTs and loading of the long head of the biceps tendon (LHBT) are implicated in the development of this associated superi...

journal_title：Journal of biomechanics

authors： Hwang E,Carpenter JE,Hughes RE,Palmer ML

更新日期：2014-05-07 00:00:00

abstract：:Lower limb amputation substantially disrupts motor and proprioceptive function. People with lower limb amputation experience considerable impairments in walking ability, including increased fall risk. Understanding the biomechanical aspects of the gait of these patients is crucial in improving their gait function and ...

journal_title：Journal of biomechanics

authors： Beurskens R,Wilken JM,Dingwell JB

更新日期：2014-05-07 00:00:00

abstract：:Novel strategies to heal discogenic low back pain could highly benefit from comprehensive biophysical studies that consider both mechanical and biological factors involved in intervertebral disc degeneration. A decrease in nutrient availability at the bone-disc interface has been indicated as a relevant risk factor an...

journal_title：Journal of biomechanics

authors： Malandrino A,Noailly J,Lacroix D

更新日期：2014-04-11 00:00:00

abstract：:The diagonal limb support pattern at trot provides pitch and roll stability, but little is known about the control of moments about the centre of mass (COM) in horses. Correct COM location is critical in the calculation of pitching moments. The objectives were to determine the effect of COM location on pitching moment...

journal_title：Journal of biomechanics

authors： Hobbs SJ,Richards J,Clayton HM

更新日期：2014-04-11 00:00:00

abstract：:Soft tissue artefact (STA) and marker placement variability are sources of error when measuring the intrinsic kinematics of the foot. This study aims to demonstrate a non-invasive, combined ultrasound and motion capture (US/MC) technique to directly measure foot skeletal motion. The novel approach is compared to a sta...

journal_title：Journal of biomechanics

authors： Telfer S,Woodburn J,Turner DE

更新日期：2014-03-21 00:00:00

abstract：:In this paper, a phenomenological constitutive model is constructed to describe the uniaxial ratchetting (i.e., the cyclic accumulation of inelastic deformation) of soft biological tissues in the framework of finite viscoelastic-plasticity. The model is derived from a polyconvex elastic free energy function and addres...

journal_title：Journal of biomechanics

authors： Zhu Y,Kang G,Kan Q,Yu C

更新日期：2014-03-21 00:00:00

abstract：:The flow of cerebrospinal fluid (CSF) in a patient-specific model of the subarachnoid space in a Chiari I patient was investigated using numerical simulations. The pulsating CSF flow was modeled using a time-varying velocity pulse based on peak velocity measurements (diastole and systole) derived from a selection of p...

journal_title：Journal of biomechanics

authors： Helgeland A,Mardal KA,Haughton V,Reif BA

更新日期：2014-03-21 00:00:00