abstract：:Disc hydration is controlled by fluid imbibition and exudation and hence by applied load magnitude and history, internal osmotic pressure and disc conditions. It affects both the internal load distribution and external load-bearing of a disc while variations therein give rise to the disc time-dependent characteristics...

journal_title：Journal of biomechanics

authors： Schmidt H,Shirazi-Adl A,Schilling C,Dreischarf M

更新日期：2016-06-14 00:00:00

abstract：:Pressure ulcers are debilitating wounds that arise frequently in people who have lost mobility. Mechanical stress, oxidative stress and ischemia-reperfusion injury are potential sources of damage during pressure ulcer formation, but cross-talk between these sources has rarely been investigated. In vitro experiments wi...

journal_title：Journal of biomechanics

authors： Jagannathan NS,Tucker-Kellogg L

更新日期：2016-05-24 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：:The clinical relevance of mechanical testing studies of cadaveric human thoracic spines could be enhanced by using follower preload techniques, by including the intact rib cage, and by measuring thoracic intervertebral disc pressures, but studies to date have not incorporated all of these components simultaneously. Th...

journal_title：Journal of biomechanics

authors： Anderson DE,Mannen EM,Sis HL,Wong BM,Cadel ES,Friis EA,Bouxsein ML

更新日期：2016-05-03 00:00:00

abstract：:Shorter generation time and the power of genetic manipulation make mice an ideal model system to study bone biology as well as bone diseases. However their small size presents a challenge to perform strength measurements, particularly of the weight-bearing cancellous bone in the murine long bones. We recently develope...

journal_title：Journal of biomechanics

authors： Sankar U,Pritchard ZJ,Voor MJ

更新日期：2016-05-03 00:00:00

abstract：:Fixed and preserved tissues have been massively used in the development of biomedical equipment and instrumentation. Not only the tissue morphology, but also its mechanical properties need to be considered in the fixation and preservation procedures since mechanical properties have significant influence on the design ...

journal_title：Journal of biomechanics

authors： Ling Y,Li C,Feng K,Duncan R,Eisma R,Huang Z,Nabi G

更新日期：2016-05-03 00:00:00

abstract：:Diurnal disc height changes, due to fluid in- and outflow, are in equilibrium while daytime spinal loading is twice as long as night time rest. A direction-dependent permeability of the endplates, favouring inflow over outflow, reportedly explains this; however, fluid flow through the annulus fibrosus should be consid...

journal_title：Journal of biomechanics

authors： Vergroesen PA,van der Veen AJ,Emanuel KS,van Dieën JH,Smit TH

更新日期：2016-04-11 00:00:00

abstract：:Elderly vertebrae frequently develop an "anterior wedge" deformity as a result of fracture and creep mechanisms. Injecting cement into a damaged vertebral body (vertebroplasty) is known to help restore its shape and stiffness. We now hypothesise that vertebroplasty is also effective in reducing subsequent creep deform...

journal_title：Journal of biomechanics

authors： Luo J,Pollintine P,Annesley-Williams DJ,Dolan P,Adams MA

更新日期：2016-04-11 00:00:00

abstract：:Nowadays in various daily, occupational and training activities, there are many occasions with forces supported in hands acting at various magnitudes, elevations, and orientations with substantial horizontal components. In this work, we aim to compute trunk muscle forces, stability, and spinal loads under pulling exte...

journal_title：Journal of biomechanics

authors： El Ouaaid Z,Shirazi-Adl A,Plamondon A

更新日期：2016-04-11 00:00:00

abstract：:Range of motion (ROM) of the thoracic spine has implications in patient discrimination for diagnostic purposes and in biomechanical models for predictions of spinal loads. Few previous studies have reported quite different thoracic ROMs. Total (T1-T12), lower (T5-T12) and upper (T1-T5) thoracic, lumbar (T12-S1), pelvi...

journal_title：Journal of biomechanics

authors： Hajibozorgi M,Arjmand N

更新日期：2016-04-11 00:00:00

abstract：:As a support to the tooth, the mechanical response of the periodontal ligament (PDL) is complex. Like other connective tissues, the PDL exhibits non-linear and time-dependent behavior. The viscoelasticity of the PDL plays a significant role in low and high loading rates. Little information, however, is available on th...

journal_title：Journal of biomechanics

authors： Oskui IZ,Hashemi A

更新日期：2016-03-21 00:00:00

abstract：:Engineering of large articular cartilage tissue constructs remains a challenge as tissue growth is limited by nutrient diffusion. Here, a novel strategy is investigated, generating large constructs through the assembly of individually cultured, interlocking, smaller puzzle-shaped subunits. These constructs can be engi...

journal_title：Journal of biomechanics

authors： Nover AB,Jones BK,Yu WT,Donovan DS,Podolnick JD,Cook JL,Ateshian GA,Hung CT

更新日期：2016-03-21 00:00:00

abstract：:Falls due to slipping are a serious concern, with slipping estimated to cause 40-50% of all fall-related injuries. Epidemiological data indicates that older and obese adults experience more falls than young, non-obese individuals. An increasingly heavier and older U.S. population and workforce may be exacerbating the ...

journal_title：Journal of biomechanics

authors： Allin LJ,Wu X,Nussbaum MA,Madigan ML

更新日期：2016-03-21 00:00:00

abstract：:The motor module hypothesis in motor control proposes that the nervous system can simplify the problem of controlling a large number of muscles in human movement by grouping muscles into a smaller number of modules. Here, we tested one prediction of the modular organization hypothesis by examining whether there is pre...

journal_title：Journal of biomechanics

authors： Ranganathan R,Krishnan C,Dhaher YY,Rymer WZ

更新日期：2016-03-21 00:00:00

abstract：:Cervical spine injuries continue to be a costly societal problem. Future advancements in injury prevention depend on improved physical and computational models, which are predicated on a better understanding of the neck response during dynamic loading. Previous studies have shown that the tolerance of the neck is depe...

journal_title：Journal of biomechanics

authors： Nightingale RW,Sganga J,Cutcliffe H,Bass CR

更新日期：2016-02-29 00:00:00

abstract：:The purpose of this study was to employ subject-specific computer models to evaluate the interaction of glenohumeral range-of-motion and Hill-Sachs humeral head bone defect size on engagement and shoulder dislocation. We hypothesized that the rate of engagement would increase as defect size increased, and that greater...

journal_title：Journal of biomechanics

authors： Welsh MF,Willing RT,Giles JW,Athwal GS,Johnson JA

更新日期：2016-02-29 00:00:00

abstract：:The use of cadavers for orthopaedic biomechanics research is well established, but presents difficulties to researchers in terms of cost, biosafety, availability, and ease of use. High fidelity composite models of human bone have been developed for use in biomechanical studies. While several studies have utilized comp...

journal_title：Journal of biomechanics

authors： Girardi BL,Attia T,Backstein D,Safir O,Willett TL,Kuzyk PR

更新日期：2016-02-29 00:00:00

abstract：:Fatigue-related glenohumeral and scapulothoracic kinematic relationships, in addition to morphological characteristics of the scapula and humerus, affect the dimensions of the subacromial space. Each exhibits considerable interpersonal variability, which if only considering the mean, can lead to misleading population ...

journal_title：Journal of biomechanics

authors： Chopp-Hurley JN,Langenderfer JE,Dickerson CR

更新日期：2016-02-29 00:00:00

abstract：:The majority of fall-related accidents are during stair ambulation-occurring commonly at the top and bottom stairs of each flight, locations in which individuals are transitioning to stairs. Little is known about how individuals adjust their biomechanics in anticipation of walking-stair transitions. We identified the ...

journal_title：Journal of biomechanics

authors： Peng J,Fey NP,Kuiken TA,Hargrove LJ

更新日期：2016-02-29 00:00:00

abstract：:The reliability of joint rotation measurements is an issue of major interest, especially in clinical applications. The effect of instrumental errors and soft tissue artifacts on the variability of human motion measures is well known, but the influence of the representation of joint motion has not yet been studied. The...

journal_title：Journal of biomechanics

authors： López-Pascual J,Cáceres ML,De Rosario H,Page Á

更新日期：2016-02-08 00:00:00

abstract：:This study investigated the center of rotation (COR) of the intervertebral segments of the lower lumbar spine (L4-L5 and L5-S1 segments) in sagittal plane during a weight-lifting (3.6 kg in each hand) extension activity performed with the pelvis constrained. Seven healthy subjects were studied using a dual fluoroscopi...

journal_title：Journal of biomechanics

authors： Liu Z,Tsai TY,Wang S,Wu M,Zhong W,Li JS,Cha T,Wood K,Li G

更新日期：2016-02-08 00:00:00

abstract：:The purpose of the present study was to investigate the rotational kinematics pattern of the upper trunk and the pelvis and the complexity-variability of their movement, during the sprint butterfly stroke between male and female swimmers with long fins (18-26 cm) and without fins. Two pairs of 3D accelerometers and gy...

journal_title：Journal of biomechanics

authors： Averianova A,Nikodelis T,Konstantakos V,Kollias I

更新日期：2016-02-08 00:00:00

abstract：:Gait analysis is a quantitative, non-invasive technique that can be used to investigate functional changes in animal models of musculoskeletal disease. Changes in ground reaction forces following injury have been observed that coincide with differences in tissue mechanical and histological properties during healing. H...

journal_title：Journal of biomechanics

authors： Pardes AM,Freedman BR,Soslowsky LJ

更新日期：2016-02-08 00:00:00

abstract：:We assessed the local distribution of bone mechanical properties on a micro-nano-scale and its correlation to strain distribution. Left tibia samples were obtained from 5-month old female Sprague Dawley rats, including baseline control (n=9) and hindlimb suspended (n=9) groups. Elastic modulus was measured by nanoinde...

journal_title：Journal of biomechanics

authors： Grover K,Lin L,Hu M,Muir J,Qin YX

更新日期：2016-01-25 00:00:00

abstract：:Healthy patellofemoral (PF) joint mechanics are critical to optimal function of the knee joint. Patellar maltracking may lead to large joint reaction loads and high stresses on the articular cartilage, increasing the risk of cartilage wear and the onset of osteoarthritis. While the mechanical sources of PF joint dysfu...

journal_title：Journal of biomechanics

authors： Ali AA,Shalhoub SS,Cyr AJ,Fitzpatrick CK,Maletsky LP,Rullkoetter PJ,Shelburne KB

更新日期：2016-01-25 00:00:00

abstract：:A challenging aspect of subject specific musculoskeletal modeling is the estimation of muscle parameters, especially optimal fiber length and tendon slack length. In this study, the method for scaling musculotendon parameters published by Winby et al. (2008), J. Biomech. 41, 1682-1688, has been reformulated, generaliz...

journal_title：Journal of biomechanics

authors： Modenese L,Ceseracciu E,Reggiani M,Lloyd DG

更新日期：2016-01-25 00:00:00

abstract：:Foot mobility commonly contributes to injury via altered motion of the lower extremities. However, there is a lack of understanding of sensitive kinetic changes with flat foot. The purpose of this study was to investigate the threshold that best distinguishes between participants with and without flat foot. The kineti...

journal_title：Journal of biomechanics

authors： Sung PS

更新日期：2016-01-04 00:00:00

abstract：:Increased practice difficulty during asymmetrical split-belt treadmill rehabilitation has been shown to improve gait outcomes during retention and transfer tests. However, research in this area has been limited by manual treadmill operation. In the case of variable practice, which requires stride-by-stride changes to ...

journal_title：Journal of biomechanics

authors： Hinkel-Lipsker JW,Hahn ME

更新日期：2016-01-04 00:00:00

abstract：:Although flow-diverting devices are promising treatment options for intracranial aneurysms, jailed side branches might occlude leading to insufficient blood supply. Especially differences in the local stent strut compression may have a drastic influence on subsequent endothelialization. To investigate the outcome of d...

journal_title：Journal of biomechanics

authors： Berg P,Iosif C,Ponsonnard S,Yardin C,Janiga G,Mounayer C

更新日期：2016-01-04 00:00:00

abstract：:Heel lifts are commonly prescribed to patients with Achilles tendinopathy, yet little is known about the effect on tendon compressive strain. The purposes of the current study were to (1) develop a valid and reliable ultrasound elastography technique and algorithm to measure compressive strain of human Achilles tendon...

journal_title：Journal of biomechanics

authors： Chimenti RL,Flemister AS,Ketz J,Bucklin M,Buckley MR,Richards MS

更新日期：2016-01-04 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：:Characterising the passive anisotropic properties of soft tissues has been largely limited to the linear viscoelastic regime and shear loading is rarely done in the large deformation regime, despite the physiological significance of such properties. This paper demonstrates the use of eccentric rheology, which allows t...

journal_title：Journal of biomechanics

authors： Tan K,Cheng S,Jugé L,Bilston LE

更新日期：2015-11-05 00:00:00

abstract：:Transcatheter aortic valve replacement (TAVR) is an established treatment alternative to surgical valve replacement in high-risk patients with severe symptomatic aortic stenosis. The current guidelines for TAVR are to upsize transcatheter aortic valve (TAV) relative to the native annulus to secure the device and minim...

journal_title：Journal of biomechanics

authors： Abbasi M,Azadani AN

更新日期：2015-10-15 00:00:00

abstract：:Mesenchymal stem cells (MSCs) are the common precursors of several functionally disparate cell lineages. A plethora of chemical and physical stimuli contribute to lineage decisions and guidance, including mechanical stretch concomitant with physical movement. Here, we examined how stretch regulates MSC differentiation...

journal_title：Journal of biomechanics

authors： Li R,Liang L,Dou Y,Huang Z,Mo H,Wang Y,Yu B

更新日期：2015-10-15 00:00:00

abstract：:The arteriovenous junction is characterised by high flow rates, large pressure difference and typically a palpable thrill or audible bruit, associated with turbulent flow. However, the arteriovenous junction is frequently studied with the assumption of streamline flow. This assumption is based on the Reynolds number c...

journal_title：Journal of biomechanics

authors： Broderick SP,Houston JG,Walsh MT

更新日期：2015-10-15 00:00:00

abstract：:The topographical distributions of the zonal properties of articular cartilage over the medial tibia from an experimental osteoarthritis (OA) model were evaluated as a function of external loading by microscopic Magnetic Resonance Imaging (µMRI). T2 relaxation times and cartilage thicknesses were measured at 17.6 µm r...

journal_title：Journal of biomechanics

authors： Lee JH,Badar F,Kahn D,Matyas J,Qu X,Xia Y

更新日期：2015-10-15 00:00:00

abstract：:The reverse shoulder prosthesis aims to restore the stability and function of pathological shoulders, but the biomechanical aspects of the geometrical changes induced by the implant are yet to be fully understood. Considering a large-scale musculoskeletal model of the upper limb, the aim of this study is to evaluate h...

journal_title：Journal of biomechanics

authors： Martins A,Quental C,Folgado J,Ambrósio J,Monteiro J,Sarmento M

更新日期：2015-09-18 00:00:00

abstract：:Acute injury severity, altered joint kinematics, and joint incongruity are three important mechanical factors linked to post-traumatic osteoarthritis (PTOA). Finite element analysis (FEA) was previously used to assess the influence of increased contact stress due to joint incongruity on PTOA development. While promisi...

journal_title：Journal of biomechanics

authors： Kern AM,Anderson DD

更新日期：2015-09-18 00:00:00

abstract：:Tendons are elastic structures that connect muscle to the skeletal system and transmit force relative to the amount of stretch they experience. The mechanical properties of human tendons are difficult to measure non-invasively, so generic values are often assumed in musculoskeletal models to represent all subjects. We...

journal_title：Journal of biomechanics

authors： Morrison SM,Dick TJ,Wakeling JM

更新日期：2015-09-18 00:00:00

abstract：:The swimming process by which mammal spermatozoa progress towards an egg within the reproductive organs is important in achieving successful internal fertilization. The viscosity of oviductal mucus is more than two orders of magnitude greater than that of water, and oviductal mucus also has non-Newtonian properties. I...

journal_title：Journal of biomechanics

authors： Hyakutake T,Suzuki H,Yamamoto S

更新日期：2015-09-18 00:00:00