abstract：:Micromotion around implants is commonly measured using displacement-sensor techniques. Due to the limitations of these techniques, an alternative approach (DVC-μCT) using digital volume correlation (DVC) and micro-CT (μCT) was developed in this study. The validation consisted of evaluating DVC-μCT based micromotion ag...

journal_title：Journal of biomechanics

authors： Sukjamsri C,Geraldes DM,Gregory T,Ahmed F,Hollis D,Schenk S,Amis A,Emery R,Hansen U

更新日期：2015-09-18 00:00:00

abstract：:The purpose of the study was to establish the link between the saddle vertical force and its determinants in order to establish the strategies that could trigger the sit-stand transition. We hypothesized that the minimum saddle vertical force would be a critical parameter influencing the sit-stand transition during cy...

journal_title：Journal of biomechanics

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

更新日期：2015-09-18 00:00:00

abstract：:Degradation and fragmentation of elastic fibers in the media dilate the aortic wall excessively in patients with acute Stanford type A aortic dissection (AD). Such dilatation occurs not via aortic stiffening, which is diagnosed using imaging under physiological loading, but due to the abovementioned intrinsic changes ...

journal_title：Journal of biomechanics

authors： Yamada H,Sakata N,Wada H,Tashiro T,Tayama E

更新日期：2015-09-18 00:00:00

abstract：:The successful development of early-stage cartilage and meniscus repair interventions in the knee requires biomechanical and biotribological understanding of the design of the therapeutic interventions and their tribological function in the natural joint. The aim of this study was to develop and validate a porcine kne...

journal_title：Journal of biomechanics

authors： Liu A,Jennings LM,Ingham E,Fisher J

更新日期：2015-09-18 00:00:00

abstract：:The role of bone water in the activity of this organ is essential in structuring apatite crystals, providing pathways for nutrients and waste involved in the metabolism of bone cells and participating in bone remodelling mechanotransduction. It is commonly accepted that bone presents three levels of porosity, namely t...

journal_title：Journal of biomechanics

authors： Lemaire T,Pham TT,Capiez-Lernout E,de Leeuw NH,Naili S

更新日期：2015-09-18 00:00:00

abstract：:Locomotion involves complex neural networks responsible for automatic and volitional actions. During locomotion, motor strategies can rapidly compensate for any obstruction or perturbation that could interfere with forward progression. In this pilot study, we examined the contribution of interlimb pathways for evoking...

journal_title：Journal of biomechanics

authors： Seiterle S,Susko T,Artemiadis PK,Riener R,Igo Krebs H

更新日期：2015-08-20 00:00:00

abstract：:The performance criterion in maximum vertical jumping has typically been assumed to simply raise the center of mass as high as possible. In many sporting activities minimizing movement time during the jump is likely also critical to successful performance. The purpose of this study was to examine maximum height jumps ...

journal_title：Journal of biomechanics

authors： Domire ZJ,Challis JH

更新日期：2015-08-20 00:00:00

abstract：:Patients with knee osteoarthritis often present with signs of mixed tibiofemoral and patellofemoral joint disease. It has been suggested that altered frontal and transverse plane knee joint mechanics play a key role in compartment-specific patterns of knee osteoarthritis, but in-vivo evidence in support of this premis...

journal_title：Journal of biomechanics

authors： Farrokhi S,Meholic B,Chuang WN,Gustafson JA,Fitzgerald GK,Tashman S

更新日期：2015-07-16 00:00:00

abstract：:The purpose of this study was to investigate the mechanical consequences of proteoglycan 4 (Prg4) deficiency on intervertebral disc mechanics using a Prg4 knockout mouse model. Prg4, also called lubricin, was first identified as the boundary lubricant in synovial fluid but has subsequently been localized within a numb...

journal_title：Journal of biomechanics

authors： Teeple E,Aslani K,Shalvoy MR,Medrano JE,Zhang L,Machan JT,Fleming BC,Jay GD

更新日期：2015-07-16 00:00:00

abstract：:Clinical trials have shown overlapping bare-metal stents provoke effective thrombus clot within the aneurysm sac and shrinkage of the aneurysm by directly regulating the hemodynamics. To gain insight into the hemodynamic mechanism of the technique, three cases of simplified thoracic aortic aneurysm models (with no ste...

journal_title：Journal of biomechanics

authors： Zhang P,Liu X,Sun A,Fan Y,Deng X

更新日期：2015-07-16 00:00:00

abstract：:This paper presents a method for analyzing and comparing numerically Saphenous Vein Grafts (SVGs) following Coronary Artery Bypass Graft surgery (CABG). The method analyses the flow dynamics inside vein grafts with and without supporting using Venous External Scaffolding Technology (VEST). The numerical method uses pa...

journal_title：Journal of biomechanics

authors： Meirson T,Orion E,Avrahami I

更新日期：2015-07-16 00:00:00

abstract：:The aim of the present study was to compare passive and active muscle stiffness and tendon stiffness between long distance runners and untrained men. Twenty long distance runners and 24 untrained men participated in this study. Active muscle stiffness in the medial gastrocnemius muscle was calculated according to chan...

journal_title：Journal of biomechanics

authors： Kubo K,Miyazaki D,Yamada K,Yata H,Shimoju S,Tsunoda N

更新日期：2015-07-16 00:00:00

abstract：:Exposure following pelvic organ prolapse repair has been observationally associated with wrinkling of the implanted mesh. The purpose of this study was to quantify the impact of variable boundary conditions on the out-of-plane deformations of mesh subjected to tensile loading. Using photogrammetry and surface curvatur...

journal_title：Journal of biomechanics

authors： Barone WR,Amini R,Maiti S,Moalli PA,Abramowitch SD

更新日期：2015-06-25 00:00:00

abstract：:Topically applied microbicide gels can provide a self-administered and effective strategy to prevent sexually transmitted infections (STIs). We have investigated the interplay between vaginal tissue elasticity and the yield-stress of non-Newtonian fluids during microbicide deployment. We have developed a mathematical ...

journal_title：Journal of biomechanics

authors： Anwar MR,Camarda KV,Kieweg SL

更新日期：2015-06-25 00:00:00

abstract：:The physical mechanism that drives blood flow in the valveless tubular embryonic heart is still debatable whether it is peristaltic flow or valveless dynamic suction. Previous studies of valveless pumping were concerned with either the role of the excitation parameters or the mechanisms that generate the unidirectiona...

journal_title：Journal of biomechanics

authors： Kozlovsky P,Rosenfeld M,Jaffa AJ,Elad D

更新日期：2015-06-25 00:00:00

abstract：:This study analyses the influence of dynamic hydrostatic pressure on chondrogenesis of human meniscus-derived fibrochondrocytes and explores the differences in chondrogenic differentiation under loading conditions between cells derived from the avascular inner zone and vascularized outer region of the meniscus. Aggreg...

journal_title：Journal of biomechanics

authors： Zellner J,Mueller M,Xin Y,Krutsch W,Brandl A,Kujat R,Nerlich M,Angele P

更新日期：2015-06-01 00:00:00

abstract：:Since meniscal geometry affects the cartilage contact pressures, it is essential to carefully define the geometry of the synthetic meniscal implant that we developed. Recently, six independent modes of size- and shape-related geometry variation were identified through 3D statistical shape modeling (SSM) of the medial ...

journal_title：Journal of biomechanics

authors： Khoshgoftar M,Vrancken AC,van Tienen TG,Buma P,Janssen D,Verdonschot N

更新日期：2015-06-01 00:00:00

abstract：:The objective of this study was to determine the intervertebral kinematics of the young, healthy cervical spine during dynamic, three-dimensional, functional loading. Intervertebral motion was characterized by the range of motion (ROM) and the helical axis of motion (HAM). Biplane radiographs of the cervical spine wer...

journal_title：Journal of biomechanics

authors： Anderst WJ,Donaldson WF 3rd,Lee JY,Kang JD

更新日期：2015-05-01 00:00:00

abstract：:The influence of the ductility of bone tissue on whole-bone strength represents a fundamental issue of multi-scale biomechanics. To gain insight, we performed a computational study of 16 human proximal femurs and 12 T9 vertebral bodies, comparing the whole-bone strength for the two hypothetical bounding cases of fully...

journal_title：Journal of biomechanics

authors： Nawathe S,Yang H,Fields AJ,Bouxsein ML,Keaveny TM

更新日期：2015-05-01 00:00:00

abstract：:Development of biologically inspired exoskeletons to assist soldiers in carrying load is a rapidly expanding field. Understanding how the body modulates stiffness in response to changing loads may inform the development of these exoskeletons and is the purpose of the present study. Seventeen subjects walked on a tread...

journal_title：Journal of biomechanics

authors： Caron RR,Lewis CL,Saltzman E,Wagenaar RC,Holt KG

更新日期：2015-04-13 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：:When balance is disturbed, location of the center of pressure (COP) contributes to a person's ability to recover from a perturbation. This study investigated COP control prior to first step lift-off (FSLO) during lateral perturbations in older non-fallers and fallers. 38 non-fallers and 16 fallers received lateral wai...

journal_title：Journal of biomechanics

authors： Fujimoto M,Bair WN,Rogers MW

更新日期：2015-04-13 00:00:00

abstract：:In vivo measurements of muscle architecture provide insight into inter-individual differences in muscle function and could be used to personalise musculoskeletal models. When muscle architecture is measured from ultrasound images, as is frequently done, it is assumed that fascicles are oriented in the image plane and,...

journal_title：Journal of biomechanics

authors： Bolsterlee B,Veeger HE,van der Helm FC,Gandevia SC,Herbert RD

更新日期：2015-04-13 00:00:00

abstract：:Bone mineral density (BMD) measurements from Dual-energy X-ray Absorptiometry (DXA) alone cannot account for all factors associated with the risk of hip fractures. For example, the inhomogeneity of bone mineral density in the hip region also contributes to bone strength. In the stochastic assessment of bone inhomogene...

journal_title：Journal of biomechanics

authors： Dong XN,Pinninti R,Lowe T,Cussen P,Ballard JE,Di Paolo D,Shirvaikar M

更新日期：2015-04-13 00:00:00

abstract：:Chemically defined serum-free medium has been shown to better maintain the mechanical integrity of articular cartilage explants than serum-supplemented medium during long-term in vitro culture, but little is known about its effect on cellular mechanisms. We hypothesized that the chemically defined culture medium could...

journal_title：Journal of biomechanics

authors： Zhou Y,Park M,Cheung E,Wang L,Lu XL

更新日期：2015-04-13 00:00:00

abstract：:Previous investigations of morphology for human carotid artery bifurcation from infancy to young adulthood found substantial growth of the internal carotid artery with advancing age, and the development of the carotid sinus at the root of the internal carotid artery during teenage years. Although the reasons for the a...

journal_title：Journal of biomechanics

authors： Seong J,Jeong W,Smith N,Towner RA

更新日期：2015-04-13 00:00:00

abstract：:Implants of microporous β-tricalcium phosphate (β-TCP) were developed for primarily stable supply of bone defects. A consistent stability over the healing period should be retained in sheep. β-TCP cylindrical shaped implants, with 7 mm diameter, 25 mm length, medium pore diameter 5 μm and 40% porosity were developed. ...

journal_title：Journal of biomechanics

authors： Mayr HO,Suedkamp NP,Hammer T,Hein W,Hube R,Roth PV,Bernstein A

更新日期：2015-04-13 00:00:00

abstract：:Falls cause 95% of hip and wrist fractures and 60% of head injuries in older adults. Risk for such injuries depends in part on velocity at contact, and the time available during the fall to generate protective responses. However, we have no information on the impact velocities and durations of falls in older adults. W...

journal_title：Journal of biomechanics

authors： Choi WJ,Wakeling JM,Robinovitch SN

更新日期：2015-04-13 00:00:00

abstract：:Implant fixation implies a strong and durable mechanical bond between the prosthetic component and host skeleton. Assuming the short-term impediments to implant fixation are successfully addressed and that longer-term issues such as late infection and mechanical failure of the components are avoided, the biological re...

journal_title：Journal of biomechanics

authors： Sumner DR

更新日期：2015-03-18 00:00:00

abstract：:Micro-Finite Element (micro-FE) analysis is now widely used in biomedical research as a tool to derive bone mechanical properties as they relate to its microstructure. With the development of in vivo high-resolution peripheral quantitative CT (HR-pQCT) scanners, it can now be applied to analyze bone in-vivo in the per...

journal_title：Journal of biomechanics

authors： van Rietbergen B,Ito K

更新日期：2015-03-18 00:00:00

abstract：:There are two main types of fluid in bone tissue, blood and interstitial fluid. The chemical composition of these fluids varies with time and location in bone. Blood arrives through the arterial system containing oxygen and other nutrients and the blood components depart via the venous system containing less oxygen an...

journal_title：Journal of biomechanics

authors： Cowin SC,Cardoso L

更新日期：2015-03-18 00:00:00

abstract：:Current clinical practice lacks an accurate predictor for the pathological fracture risk in metastatic bone disease, but biomechanical tools are under development to improve these predictions. In this paper we explain the limitations of currently used clinical guidelines and provide an overview of more objective and q...

journal_title：Journal of biomechanics

authors： Derikx LC,Verdonschot N,Tanck E

更新日期：2015-03-18 00:00:00

abstract：:Older adults may be vulnerable to frontal plane dynamic instability, which is of clinical significance. The purpose of the current investigation was to examine the age-related differences in frontal plane dynamic stability by quantifying the margin of stability and hip abductor moment generation of subjects performing...

journal_title：Journal of biomechanics

authors： Hurt CP,Grabiner MD

更新日期：2015-02-26 00:00:00

abstract：:In this article, the tensile properties of gastric wall were investigated by using biomechanical test and theoretical analysis. The samples of porcine stomach strips from smaller and greater curvature of the stomach were cut in longitudinal and circumferential direction, respectively. The loading-unloading, stress rel...

journal_title：Journal of biomechanics

authors： Jia ZG,Li W,Zhou ZR

更新日期：2015-02-26 00:00:00

abstract：:The multi-signal mechanical environment mammalian cells experience is often unaccounted for in current mechanical stimulation studies. To address this we developed a novel technique to induce dual integrated force inputs, uniaxial stretch and fluid shear stress and present here for the first time a vector logic-gate f...

journal_title：Journal of biomechanics

authors： Steward RL Jr,Tan C,Cheng CM,LeDuc PR

更新日期：2015-02-26 00:00:00

abstract：:Knowledge about in vivo spinal loads is required for the identification of risk factors for low back pain and for realistic preclinical testing of spinal implants. Therefore, the aim of the present study was to measure the in vivo forces on a vertebral body replacement (VBR) during trunk flexion and to analyze in deta...

journal_title：Journal of biomechanics

authors： Dreischarf M,Albiol L,Zander T,Arshad R,Graichen F,Bergmann G,Schmidt H,Rohlmann A

更新日期：2015-02-26 00:00:00

abstract：:A new strain energy function for the hyperelastic modelling of ligaments and tendons based on the geometrical arrangement of their fibrils is derived. The distribution of the crimp angles of the fibrils is used to determine the stress-strain response of a single fascicle, and this stress-strain response is used to det...

journal_title：Journal of biomechanics

authors： Shearer T

更新日期：2015-01-21 00:00:00

abstract：:This work is a novel attempt to incorporate computational fluid dynamics (CFD) techniques in the analysis of hemodynamic parameters of Moyamoya disease (MMD). Highly prevalent in Asian countries, MMD is characterised by progressive occlusion of the intracranial Internal Carotid Arteries (ICA). We intend to identify a ...

journal_title：Journal of biomechanics

authors： Karunanithi K,Han C,Lee CJ,Shi W,Duan L,Qian Y

更新日期：2015-01-21 00:00:00

abstract：:Muscle force is modulated by varying the number of active motor units and their firing rates. For the past five decades, the notion that the magnitude of the firing rates is directly related to motor unit size and recruitment threshold has been widely accepted. This construct, here named the After-hyperpolarization sc...

journal_title：Journal of biomechanics

authors： De Luca CJ,Contessa P

更新日期：2015-01-21 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