نتایج جستجو برای: biomechanical

تعداد نتایج: 19789  

2002
Peter F. Davies Mark A. Sussman Andrew McCulloch Thomas K. Borg

Biomechanical signaling is a complex interaction of both intracellular and extracellular components. Both passive and active components are involved in the extracellular environment to signal through specific receptors to multiple signaling pathways. This review provides an overview of extracellular matrix, specific receptors, and signaling pathways for biomechanical stimulation in cardiac hype...

2007
Hélène Beaupied Christine Chappard Armelle Basillais Eric Lespessailles Claude-Laurent Benhamou

The best way to preserve mechanical properties of bone for biomechanical testing is hydration in NaCl whereas the reference process in μCT analysis is defatting. The aim of our study was to evaluate the effects of sample conditioning on trabecular bone microarchitecture comparing defatted specimens (considered as reference for μCT analysis) with two hydrated modes (considered as references for ...

2011
D. P. Pioletti

Development of artificial scaffold for musculoskeletal applications, especially in load-bearing situations, requires the consideration of biomechanical aspects for its integrity and its function. However, the biomechanical loading could also be used to favour tissue formation through mechano-transduction phenomena. Design of scaffold could take advantages of this intrinsic mechanical loading.

2009
Peter K. Larsen Niels Lynnerup Marius Henriksen B. Simonsen

INTRODUCTION Recognition of gait patterns has been studied intensively during the last decades. Different gait strategies have been elucidated by applying different waveform analysis techniques to biomechanical gait data [1,2] and it has been shown that individuals can be identified using joint angles in the sagittal plane [3]. However, little is known about additional biomechanical variables f...

Journal: :cell journal 0

introduction: in this study the effects of low power helium-neon laser radiation on the cell population of open skin full thickness wound of rats were investigated from histological and biomechanical point of views. materials and methods: 90 male rats were randomly divided into control and two experimental groups. under general anesthesia and sterile conditions around open full thickness skin w...

Journal: :International journal of ophthalmology 2016
Laszlo Modis Ziad Hassan Eszter Szalai Zsuzsanna Flaskó Andras Berta Gabor Nemeth

AIM To analyse ocular biomechanical properties, central corneal thickness (CCT) and intraocular pressure (IOP) in post-keratoplasty eyes, as compared to normal subjects, with a new Scheimpflug-based technology. Moreover, biomechanical data were correlated with the size and age of the donor and recipient corneas. METHODS Measurements were conducted on 46 eyes of 46 healthy patients without any...

2008
Cédric Y. Barrey Ravi K. Ponnappan Jason Song Alexander R. Vaccaro

STUDY DESIGN This study is a systematic review of published biomechanical studies involving pedicle screw-based posterior dynamic stabilization devices (PDS) with a special focus on kinematics and load transmission through the functional spine unit (FSU). METHODS A literature search was performed via the PubMed online database from 1990 to 2008 using the following key words: "biomechanics," "...

Journal: :Journal of applied physiology 2015
Heng Zhao Yupeng Ren Elliot J Roth Richard L Harvey Li-Qun Zhang

Calf muscles and Achilles tendon play important roles in functional activities. However, it is not clear how biomechanical properties of the uniarticular soleus (SOL) and biarticular gastrocnemius muscle and Achilles tendon, including the fascicle length, pennation angle, and stiffness, change concurrently post stroke. Biomechanical properties of the medial gastrocnemius (GM) and soleus muscles...

2018
Luz-Jeannette Sierra Amy G Brown Guillermo O Barilá Lauren Anton Carrie E Barnum Snehal S Shetye Louis J Soslowsky Michal A Elovitz

The role of the cervicovaginal (CV) microbiome in regulating cervical function during pregnancy is poorly understood. Gardnerella vaginalis (G. vaginalis) is the most common bacteria associated with the diagnosis of bacterial vaginosis (BV). While BV has been associated with preterm birth (PTB), clinical trials targeting BV do not decrease PTB rates. It remains unknown if G. vaginalis is capabl...

2017
Yinjuan Wei Lingxiao Xu Hui Song

The aim of the present study was to evaluate the effects of femtosecond laser-assisted cataract surgery (FLACS) and phacoemulsification on corneal biomechanics using corneal visualization Scheimpflug technology. The medical records of 50 eyes from 50 patients who received phacoemulsification and intraocular lens implantation because of age-related factors between June 2014 and September 2014 we...

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