نتایج جستجو برای: musculoskeletal model
تعداد نتایج: 2129749 فیلتر نتایج به سال:
In this report, we propose to reconstruct the 3D shape of a deforming 2D surface from image pairs without prior information about the appearance or other physical features of the surface. Our method is proposed to base on two images showing the surface under different deformations, with the assumption that an optical flow field can be computed between the images. A probabilistic graphical model...
A systematic study of the yrast band in 154−164Dy isotopes using the Projected Shell Model is presented. It is shown that, in the context of the present model, enlarging the mean field deformation by about 20% allows a very good description of the spectrum of yrast band in these isotopes. The dependence of the B(E2) values on angular momentum is also better described when larger deformations ar...
High cholesterol remains a significant healthcare problem, as more than 13% of adults in the U.S. are affected by hypercholesterolemia. The detrimental effects the disease has on cardiovascular health are well-documented, but the effects on the musculoskeletal system, and more specifically on tendons, have not been thoroughly examined. This paper provides an overview of work performed in our la...
background: work-related musculoskeletal disorders are the most important factors of absent from work, increased costs and human damages experienced by workers. the aim of this study was to determine the prevalence of work-related musculoskeletal disorders of nurses in al-zahra hospital and the effect of eight-week selected corrective exercises and ergonomic interventions on them. methods: nord...
abstract background : despite the plenty of information about work-related musculoskeletal discomforts and different risk factors leading to the presence of these symptoms, the effect of physical activity as a preventative factor in this field seems unclear. handicraft industries in esfahan impose repetitive motions and awkward postures to the individuals and are considered as high risk jobs re...
A general computational model of the human lumbar spine and trunkmuscles including optimization formulations was provided. For a given condition, the trunk muscle forces could be predicted considering the human physiology including the follower load concept. The feasibility of the solution could be indirectly validated by comparing the compressive force, the shear force, and the joint moment. T...
INTRODUCTION Changes in postural stability associated with the aging process may be due to alterations in neural, skeletal and muscular characteristics. The effects of such changes are difficult to study experimentally, as they typically occur over a long time period. Therefore, many have studied postural control using analytical or numerical models, such as the simple inverted pendulum [3]. Ho...
OBJECTIVE This study analyzed the prevalence of work-related computer-user musculoskeletal discomforts, personal and computer-related risk factors. METHODS A cross-sectional survey on 395 office workers was made between July-September 2015. Musculoskeletal symptoms and risk factors were evaluated for participants' demographics and job attributes on the 21-item questionnaire and the Turkish-Co...
It is widely acknowledged that pain is a universal experience that affects human beings across the life span, serving an important protective function. Typical protective behaviors are the withdrawal from the noxious stimulus, nonverbal expressions that signal others for impending harm, and verbal utterances. Some of these occur involuntarily, as a reflex, whereas other behaviors are more delib...
The purpose of this paper is to investigate new fusiform muscle models. Each of these models treats a muscle as a system composed of parts characterized by different mechanical properties. These models explain the influence of differences in the stiffness of lateral parts and the degree of muscle model discretization. Each muscle model is described by a system of differential equations and a si...
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