نتایج جستجو برای: eyes static magnetic

تعداد نتایج: 491838  

2017
Xiaowei Zuo Lin Zhang Engang Wang

Influence of external static magnetic fields on solidification, solid phase transformation of metallic materials have been reviewed in terms of Lorentz force, convection, magnetization, orientation, diffusion, and so on. However, the influence of external static magnetic fields on properties of metallic functional materials is rarely reviewed. In this paper, the effect of static magnetic fields...

قربانی, مهرانگیز,

 Background: Falls is due to people's failure of balance recovery. The purpose of this study was to investigate the effect of trunk extensor muscle fatigue on static balance control in young healthy adults compared to middle aged participants. Methods: Ten young adult females (23 ± 1.6 years) and 6 middle-aged females (51 ± 5.4 years) participated in stand immobile test on a force plat...

Objectives Balance is an index to determine the level of independency of elderly (65 years and older) in their daily activities. We aimed to examine the effect of a combined aerobic and balance training on static, dynamic and functional balance of elderly women. Methods & Materials This was a semi-experimental study with pre-test and post-test design with one exercise intervention and one cont...

2001
P. Andris A. Ericsson

A spectroscopic imaging technique with high spatial resolution was used for the measurement of the static magnetic field homogeneity of RF coils. Measured magnetic fields of optimised and not optimised saddle-shaped coils were compared with the theoretical calculations. Results are in good qualitative agreement between calculated and measured magnetic field distributions. Quantitative disagreem...

Journal: :Bioelectromagnetics 2010
Carlos F Martino Lucas Portelli Kevin McCabe Mark Hernandez Frank Barnes

Small alterations in static magnetic fields have been shown to affect certain chemical reaction rates ex vivo. In this manuscript, we present data demonstrating that similar small changes in static magnetic fields between individual cell culture incubators results in significantly altered cell cycle rates for multiple cancer-derived cell lines. This change as assessed by cell number is not a re...

Journal: :Survey of ophthalmology 2006
A Palla C J Bockisch O Bergamin D Straumann

In stationary head roll positions, the eyes are cyclodivergent. We asked whether this phenomenon can be explained by a static hysteresis that differs between the eyes contra- (CE) and ipsilateral (IE) to head roll. Using a motorized turntable, healthy human subjects (n = 8) were continuously rotated about the earth-horizontal naso-occipital axis. Starting from the upright position, a total of t...

2003
S. S. Maxwell

1. A dogfish from which all six ampullae have been removed maintains its equilibrium; the righting reactions occur promptly; compensatory movements of the eyes occur in response to rotations in all planes except the horizontal; the compensatory position of the eyes is retained if the animal is held in an abnormal position. Both the static and dynamic functions of equilibrium continue, therefore...

Journal: :NeuroImage 2013
Irene Neuner Tracy Warbrick Jorge Arrubla Jörg Felder Avdo Celik Martina Reske Franks Boers Nadim Joni Shah

The simultaneous acquisition of electroencephalographic (EEG) and functional magnetic resonance imaging (fMRI) data has gained momentum in recent years due to the synergistic effects of the two modalities with regard to temporal and spatial resolution. Currently, only EEG-data recorded in fields of up to 7 T have been reported. We investigated the feasibility of recording EEG inside a 9.4 T sta...

Journal: :Archives of physical medicine and rehabilitation 2001
A M Wong Y C Lin S W Chou F T Tang P Y Wong

OBJECTIVE To evaluate the effects of coordination exercise on postural stability in older individuals by Chinese shadow boxing, Tai Chi Chuan (TCC). DESIGN Cross-sectional study. SETTING Research project in a hospital-based biomechanical laboratory. PARTICIPANTS The TCC group (n = 25) had been practicing TCC regularly for 2 to 35 years. The control group (n = 14) included healthy and acti...

Journal: :Archives of medical research 2009
Catalina Aranda Anabel Meza Raymundo Rodríguez María Teresa Mantilla Kathrine Jáuregui-Renaud

BACKGROUND AND AIMS We undertook this study to assess the influence of diabetic peripheral neuropathy on self-reported disability and postural control during quiet stance of patients with peripheral vestibular disease, before and after a standardized program of vestibular rehabilitation (Cawthorne & Cooksey exercises). METHODS Twenty patients with peripheral vestibular disease participated in...

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