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Differences in movement limitations in different low back pain severity in functional tests using an RGB-D camera.

Published in Journal of biomechanics

Low back pain (LBP) can lead to motor control disturbance which can be one of the causes of reoccurrence of the complaint. It is important to improve our knowledge of movement related disturbances during assessment in LBP and to classify patients according to the severity. The aim of this study is to present differences in kinematic variables using...

Reliable and clinically applicable gait event classification using upper body motion in walking and trotting horses.

Published in Journal of biomechanics

Objectively assessing horse movement symmetry as an adjunctive to the routine lameness evaluation is on the rise with several commercially available systems on the market. Prerequisites for quantifying such symmetries include knowledge of the gait and gait events, such as hoof to ground contact patterns over consecutive strides. Extracting this inf...

Mechanobiological evaluation of prostate cancer metastasis to bone using an in vitro prostate cancer testbed.

Published in Journal of biomechanics

Prostate cancer exhibits a propensity to metastasize to the bone, which often leads to fatality. Bone metastasis is characterized by complex biochemical, morphological, pathophysiological, and genetic changes to cancer cells as they colonize at bone sites. In this study, we report the evaluation of MDA PCa2b prostate cancer cells' nanomechanical pr...

Reconstruction of proximal humeral fractures without screws using a reinforced bone substitute.

Published in Journal of biomechanics

Multi-fragment fractures are still a challenge: current clinical practice relies on plates and screws. Treatment of fractures of the proximal humerus has the intra-operative risk of articular damage when inserting multiple screws. Distal-varus collapse of the head is a frequent complication in osteoporotic patients. The aim of this biomechanical st...

Hospital bed height influences biomechanics during bed egress: A comparative controlled study of patients with Parkinson...

Published in Journal of biomechanics

Although a significant proportion of patient falls occur during egress from the hospital bed, the biomechanical adaptations during egress from different bed heights are still largely unknown. The purpose of this study was to evaluate the effect of hospital bed height on natural transition during egress in patients with Parkinson disease (PD). Twelv...

The effects of exterior boundary conditions on a internally heated tumor tissue with a thermoporoelastic model.

Published in Journal of biomechanics

Modeling flow field in tumor regions interstitial space is of primary importance, because of the importance of advection in macromolecule drug delivery. Its deformation has also to be taken into account because of the forces caused by the fluid; if the tumor region is not isothermal, this deformation can be also strongly affected by temperature fie...

Accuracy of the tibiofemoral contact forces estimated by a subject-specific musculoskeletal model with fluoroscopy-based...

Published in Journal of biomechanics

Accurate estimation of the tibiofemoral contact forces relies on exact kinematics and joint geometry. Subject-specific kinematic constraints representing contact point trajectories derived from fluoroscopic measurements during lunge are introduced in a musculoskeletal model of the lower limb and compared to generic kinematic constraints. The medial...

Classification of runners' performance levels with concurrent prediction of biomechanical parameters using data from ine...

Published in Journal of biomechanics

Identification of runner's performance level is critical to coaching, performance enhancement and injury prevention. Machine learning techniques have been developed to measure biomechanical parameters with body-worn inertial measurement unit (IMU) sensors. However, a robust method to classify runners is still unavailable. In this paper, we develope...

Corrigendum to "Fluid-structure interaction modeling of lactating breast" [J. Biomech. 103 (2020) 109640].

Published in Journal of biomechanics

Quantifying the ranges of relative motions of the intervertebral discs and facet joints in the normal cervical spine.

Published in Journal of biomechanics

Functional neck motion is achieved by the cervical segments with each composed of an intervertebral disc (IVD) and two facet joints (FJs). Using biplane fluoroscopic imaging, we investigated the ranges of motion (ROMs) of the three joints in the cervical spines (from C3 to C7) of eighteen asymptomatic subjects. Three functional neck motions were ex...