abstract：:Reduced daily stepping in stroke survivors may contribute to decreased functional capacity and increased mortality. We investigated the relationships between clinical and biomechanical walking measures that may contribute to changes in daily stepping activity following physical interventions provided to participants w...

journal_title：Journal of biomechanics

authors： Ardestani MM,Henderson CE,Hornby TG

更新日期：2019-06-25 00:00:00

abstract：:The influence of ankle kinematics and plantar pressure from mid-range barefoot running on T2 relaxation times of tibiotalar cartilage is unknown. This study aimed to quantitatively evaluate the T2 relaxation time of tibiotalar cartilage and ankle biomechanics following 5 km barefoot running. Twenty healthy runners (wh...

journal_title：Journal of biomechanics

authors： Kyung Kim H,Fernandez J,Logan C,Tarr GP,Doyle A,Mirjalili SA

更新日期：2019-06-11 00:00:00

abstract：:Three-dimensional gait analysis (3D-GA) is commonly used to answer clinical questions of the form "which joints and what variables are most affected during when". When studying high-dimensional datasets, traditional dimension reduction methods (e.g. principal components analysis) require "data flattening", which may m...

journal_title：Journal of biomechanics

authors： Liew BXW,Morris S,Netto K

更新日期：2019-06-11 00:00:00

abstract：:Simple models are widely used to understand the mechanics of human walking. The optimization-based minimal biped model and spring-loaded-inverted-pendulum (SLIP) model are two popular models that can achieve human-like walking patterns. However, ground reaction forces (GRF) from these two models still deviate from exp...

journal_title：Journal of biomechanics

authors： Li T,Li Q,Liu T

更新日期：2019-06-11 00:00:00

abstract：:It is thought that the magnitude of residual force enhancement (RFE) is not affected by stretch velocity. However, the range of stretch velocities studied in previous investigations has been limited to slow and moderate velocities. High velocities of muscle stretching are associated with a loss of force and incomplete...

journal_title：Journal of biomechanics

authors： Fukutani A,Leonard T,Herzog W

更新日期：2019-05-24 00:00:00

abstract：:The optimal fluid administration protocol for critically ill perioperative patients is hard to estimate due to the lack of tools to directly measure the patient fluid status. This results in the suboptimal clinical outcome of interventions. Previously developed predictive mathematical models focus on describing the fl...

journal_title：Journal of biomechanics

authors： Rosalina TT,Bouwman RA,van Sambeek MRHM,van de Vosse FN,Bovendeerd PHM

更新日期：2019-05-09 00:00:00

abstract：:Flow stagnation and residence time (RT) are important features of diseased arterial flows that influence biochemical transport processes and thrombosis. RT calculation methods are classified into Eulerian and Lagrangian approaches where several measures have been proposed to quantify RT. Each of these methods has a di...

journal_title：Journal of biomechanics

authors： Reza MMS,Arzani A

更新日期：2019-05-09 00:00:00

abstract：:The medial-longitudinal arch (MLA) is perhaps the most important feature characterizing foot morphology. While current skin-markers based models of the MLA angle used in stereophotogrammetry allow to estimate foot arch shape and deformation, these do not always appear consistent with foot anatomy and with standard cli...

journal_title：Journal of biomechanics

authors： Caravaggi P,Matias AB,Taddei UT,Ortolani M,Leardini A,Sacco ICN

更新日期：2019-05-09 00:00:00

abstract：:Predicting subject-specific responses to exoskeleton assistance may aid in maximizing functional gait outcomes, such as achieving full knee-extension at foot contact in individuals with crouch gait from cerebral palsy (CP). The purpose of this study was to investigate the role of volitional and non-volitional muscle a...

journal_title：Journal of biomechanics

authors： Lerner ZF,Damiano DL,Bulea TC

更新日期：2019-04-18 00:00:00

abstract：:Quantification of baseball hitting mechanics under game conditions help players to become successful batters and prevent injuries. Inertial measurement units (IMUs) can measure motion without any spatial restriction and are thus becoming a popular tool to investigate sports biomechanics. Biomechanical analysis of hitt...

journal_title：Journal of biomechanics

authors： Punchihewa NG,Yamako G,Fukao Y,Chosa E

更新日期：2019-04-18 00:00:00

abstract：:Physical activity in children is important as it leads to healthy growth due to physiological benefits. However, a physiological benefit can be partially negated by excessive or unphysiological loads within the joints. To gain an initial understanding into this, the present study sought to compare joint loading betwee...

journal_title：Journal of biomechanics

authors： Greca JPA,Ryan J,Baltzopoulos V,Korff T

更新日期：2019-04-18 00:00:00

abstract：:The peroneus longus (PL) is a rearfoot evertor, important in frontal plane foot motion. Studying PL function has been limited by previous electromyography (EMG) studies reporting poor between-day reliability. Due to its close proximity to adjacent muscles, EMG measures of PL may be susceptible to crosstalk, thus corre...

journal_title：Journal of biomechanics

authors： Reeves J,Jones R,Liu A,Bent L,Nester C

更新日期：2019-03-27 00:00:00

abstract：:Identifying environmental risk factors for musculoskeletal disorders is challenging due to the number of potential confounders. Twins are of particular interest for researchers interested in studying these types of problems due to their inherent control for the influence of genetic factors. In twin studies, this popul...

journal_title：Journal of biomechanics

authors： Telfer S,Bigham JJ,Sudduth ASM

更新日期：2019-03-27 00:00:00

abstract：:Blast pulmonary trauma are common consequences of modern war and terrorism action. To better protect soldiers from that threat, the injury risk level when protected and unprotected must be assessed. Knowing from the literature that a possible amplification of the blast threat would be provided by some thoracic protect...

journal_title：Journal of biomechanics

authors： Boutillier J,Deck C,De Mezzo S,Magnan P,Prat N,Willinger R,Naz P

更新日期：2019-03-27 00:00:00

abstract：:Misalignment and soft-tissue imbalance in total knee arthroplasty (TKA) can cause discomfort, pain, inadequate motion and instability that may require revision surgery. Balancing can be defined as equal collateral ligament tensions or equal medial and lateral compartmental forces during the flexion range. Our goal was...

journal_title：Journal of biomechanics

authors： Zapata G,Sanz-Pena I,Verstraete M,Walker PS

更新日期：2019-03-27 00:00:00

abstract：:Human cortical bone fracture toughness depends on the anatomical locations under quasi-static loading. Recent results also showed that under fall-like loading, cortical bone fracture toughness is similar at different anatomical locations in the same donor. While cortical bone toughening mechanisms are known to be depe...

journal_title：Journal of biomechanics

authors： Gauthier R,Langer M,Follet H,Olivier C,Gouttenoire PJ,Helfen L,Rongiéras F,Mitton D,Peyrin F

更新日期：2019-03-06 00:00:00

abstract：:Cervical spine finite element models reported in biomechanical literature usually represent a static morphology. Not considering morphology as a model parameter limits the predictive capabilities for applications in personalized medicine, a growing trend in modern clinical practice. The objective of the study was to i...

journal_title：Journal of biomechanics

authors： John JD,Saravana Kumar G,Yoganandan N

更新日期：2019-03-06 00:00:00

abstract：:Muscle compression commonly occurs in daily life (for instance wearing backpacks or compression garments, and during sitting). However, the effects of the compression on contraction dynamics in humans are not well examined. The aim of the study was to quantify the alterations of contraction dynamics and muscle archite...

journal_title：Journal of biomechanics

authors： Stutzig N,Ryan D,Wakeling JM,Siebert T

更新日期：2019-03-06 00:00:00

abstract：:This study proposed a revision to the Rosenstein's method of numerical calculation of the largest Lyapunov exponent (LyE) to make it more robust to noise. To this aim, the effect of increasing number of initial neighboring points on the LyE value was investigated and compared to values obtained by filtering the time s...

journal_title：Journal of biomechanics

authors： Mehdizadeh S

更新日期：2019-03-06 00:00:00

abstract：:This study was aimed at investigating the intersegmental coordination of six older adults while managing unexpected slippages delivered during steady walking, and wearing an Active Pelvis Orthosis (APO). The APO was setup either to assist volunteers at the hip levels during balance loss or to be transparent. The Plana...

journal_title：Journal of biomechanics

authors： Aprigliano F,Monaco V,Micera S

更新日期：2019-03-06 00:00:00

abstract：:Understanding the mechanical response of the brain to external loadings is of critical importance in investigating the pathological conditions of this tissue during injurious conditions. Such injurious loadings may occur at high rates, for example among others, during road traffic or sport accidents, falls, or due to ...

journal_title：Journal of biomechanics

authors： Samadi-Dooki A,Voyiadjis GZ

更新日期：2019-02-14 00:00:00

abstract：:Pulsatile tinnitus (PT), characterized as pulse-synchronous, is generally objective. Sigmoid sinus (SS) venous sound is widely suggested to be a possible sound source of PT. The dehiscence and thinness of SS cortical plate (CP) was commonly reported as PT pathology in previous studies, but lack quantitative or biomech...

journal_title：Journal of biomechanics

authors： Tian S,Fan X,Wang Y,Liu Z,Wang L

更新日期：2019-02-14 00:00:00

abstract：:Human crawling performance and technique are of broad interest to roboticists, biomechanists, and military personnel. This study explores the variables that define crawling performance in the context of an outdoor obstacle course used by military organizations worldwide to evaluate the effects of load and personal equ...

journal_title：Journal of biomechanics

authors： Vitali RV,Cain SM,Davidson SP,Perkins NC

更新日期：2019-02-14 00:00:00

abstract：:Due to the increased availability of digital human models, the need for knowing human movement is important in product design process. If the human motion is derived rapidly as design parameters change, a developer could determine the optimal parameters. For example, the optimal design of the door panel of an automobi...

journal_title：Journal of biomechanics

authors： Kim Y,Soo Choi E,Seo J,Choi WS,Lee J,Lee K

更新日期：2019-02-14 00:00:00

abstract：:When running, energy is lost during stance to redirect the center of mass of the body (COM) from downwards to upwards. The present study uses a collision-based approach to analyze how these energy losses change with slope and speed. Therefore, we evaluate separately the average collision angle, i.e. the angle of devia...

journal_title：Journal of biomechanics

authors： Dewolf AH,Willems PA

更新日期：2019-01-23 00:00:00

abstract：:The purpose of the study was to compare the effects of a feedback-controlled treadmill (FeedbackTM) to a traditional fixed-speed treadmill (FixedTM) on spatiotemporal gait means, variability, and dynamics. The study also examined inter-session reliability when using the FeedbackTM. Ten young adults walked on the Feedb...

journal_title：Journal of biomechanics

authors： Wiens C,Denton W,Schieber MN,Hartley R,Marmelat V,Myers SA,Yentes JM

更新日期：2019-01-23 00:00:00

abstract：:Falls are common and potentially disastrous for older adults. A novel approach that could augment current fall prevention procedures is to teach older adults movement strategies to reduce the risk of injury. The purpose of the study was to determine whether older adults can learn a movement strategy ("tuck-and-roll") ...

journal_title：Journal of biomechanics

authors： Moon Y,Bishnoi A,Sun R,Shin JC,Sosnoff JJ

更新日期：2019-01-23 00:00:00

abstract：BACKGROUND:OpenSim models are typically based on cadaver findings that are generalized to represent a wide range of populations, which curbs their validity. Patient-specific modelling through incorporating magnetic resonance imaging (MRI) improves the model's biofidelity with respect to joint alignment and articulation...

journal_title：Journal of biomechanics

authors： Smale KB,Conconi M,Sancisi N,Krogsgaard M,Alkjaer T,Parenti-Castelli V,Benoit DL

更新日期：2019-01-23 00:00:00

abstract：:Several studies have investigated the transmission of vibration from the vibrating plate of a whole-body vibration training machine (WBVTM) to different locations on the human body. No known work has investigated the interface force between the vibrating plate of the machine and the human body. This paper investigates...

journal_title：Journal of biomechanics

authors： Nawayseh N,Hamdan S

更新日期：2019-01-03 00:00:00

abstract：:Previous in-vivo studies suggest that the ratio of total lumbar rotation over pelvic rotation (lumbo-pelvic rhythm) during trunk sagittal movement is essential to evaluate spinal loads and discriminate between low back pain and asymptomatic population. Similarly, there is also evidence that the lumbo-pelvic rhythm is ...

journal_title：Journal of biomechanics

authors： Liu T,Khalaf K,Adeeb S,El-Rich M

更新日期：2019-01-03 00:00:00

abstract：:It is clinically challenging to distinguish between ankle and subtalar joints instability in vivo. Understanding the changes in load-displacement at the ankle and subtalar joints after ligament injuries may detect specific changes in joint characteristics that cannot be detected by investigating changes in range of mo...

journal_title：Journal of biomechanics

authors： Choisne J,McNally A,Hoch MC,Ringleb SI

更新日期：2019-01-03 00:00:00

abstract：:Aging brings about challenges in the ability to recover balance through protective stepping, especially in the lateral direction. Previous work has suggested that lateral protective stepping during weight transfer may be affected by impaired muscle composition and performance of the hip abductors (AB) in older adults....

journal_title：Journal of biomechanics

authors： Inacio M,Creath R,Rogers MW

更新日期：2019-01-03 00:00:00

abstract：:Proper cup alignment is crucial in total hip arthroplasty for reducing impingement risks, dislocations and wear. The Lewinnek "safe zone" is often used in clinical routine. This safe zone does not consider functional aspects and dislocation can occur even when the cup is oriented within the safe zone. Functional safe ...

journal_title：Journal of biomechanics

authors： Hsu J,de la Fuente M,Radermacher K

更新日期：2019-01-03 00:00:00

abstract：:Developing effective therapeutics for osteoarthritis (OA) necessitates that such molecules can reach and target chondrocytes within articular cartilage. However, predicting how well very large therapeutic molecules diffuse through cartilage is often difficult, and the relationship between local transport mechanics for...

journal_title：Journal of biomechanics

authors： DiDomenico CD,Kaghazchi A,Bonassar LJ

更新日期：2019-01-03 00:00:00

abstract：:Modeling joint contact in OpenSim is not well understood. This study systematically investigated the variables associated with the elastic foundation contact model within OpenSim by performing a series of controlled benchtop experiment and concomitant simulations. Four metal-on-plastic interactions were modeled, inclu...

journal_title：Journal of biomechanics

authors： Hast MW,Hanson BG,Baxter JR

更新日期：2019-01-03 00:00:00

abstract：:Inferences on the active contribution of plantar flexors to the stabilisation of human standing posture have been drawn from surface electromyograms (EMGs). Surface EMGs were however often detected unilaterally, presuming the myoelectric activity from muscles in a single leg reflects the pattern of muscle activation i...

journal_title：Journal of biomechanics

authors： Dos Anjos FV,Gazzoni M,Vieira TM

更新日期：2018-11-16 00:00:00

abstract：:Improper activation of the quadriceps muscles vastus medialis (VM) and vastus lateralis (VL) has been implicated in the development of patellofemoral pain (PFP). This explanation of PFP assumes that VM and VL produce opposing mediolateral forces on the patella. Although studies have provided evidence for opposing acti...

journal_title：Journal of biomechanics

authors： Sandercock TG,Wei Q,Dhaher YY,Pai DK,Tresch MC

更新日期：2018-11-16 00:00:00

abstract：:The African Spiny Mouse (Acomys spp.) is a unique outbred mammal capable of full, scar-free skin regeneration. In vivo, we have observed rapid reepithelialization and deposition of normal dermis in Acomys after wounding. Acomys skin also has a lower modulus and lower elastic energy storage than normal lab mice, Mus mu...

journal_title：Journal of biomechanics

authors： Stewart DC,Serrano PN,Rubiano A,Yokosawa R,Sandler J,Mukhtar M,Brant JO,Maden M,Simmons CS

更新日期：2018-11-16 00:00:00

abstract：:Many soft biological tissues possess a considerable surface stress, which plays a significant role in their biophysical functions, but most previous methods for characterizing their mechanical properties have neglected the effects of surface stress. In this work, we investigate the micropipette aspiration method to me...

journal_title：Journal of biomechanics

authors： Ding Y,Wang GF,Feng XQ,Yu SW

更新日期：2018-10-26 00:00:00

abstract：:The finite element (FE) method based on high-resolution peripheral quantitative computed tomography (HR-pQCT) use a variety of tissue constitutive properties and boundary conditions at different laboratories making comparison of mechanical properties difficult. Furthermore, the advent of a second-generation HR-pQCT po...

journal_title：Journal of biomechanics

authors： Whittier DE,Manske SL,Kiel DP,Bouxsein M,Boyd SK

更新日期：2018-10-26 00:00:00