搜索结果: 1-13 共查到“医学 Positioning”相关记录13条 . 查询时间(0.015 秒)
Segmental Musculoskeletal Examinations using Dual-Energy X-Ray Absorptiometry (DXA):Positioning and Analysis Considerations
Segmentation muscle bone standardisation composition regional method
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2016/1/9
Musculoskeletal examinations provide informative and valuable quantitative insight into muscle and bone health. DXA is one mainstream tool used to accurately and reliably determine body composition co...
Evaluation of movement and physiological demands of full-back and center-back soccer players using global positioning systems
time-motion analysis positional differences GPS soccer performance analysis.
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2014/3/9
Purpose: This study investigated the physiological demands between Full-back and Center-Back soccer players during official matches and using Global Positioning System (GPS) devices. Methods: Four Ful...
Three dimensional accurate positioning of implant by using new surgical guide - In vivo study
dimensional accurate positioning implant surgical guide
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2010/11/3
Three dimensional accurate positioning of implant by using new surgical guide - In vivo study.
A Monte-Carlo-Based Network Method for Source Positioning in Bioluminescence Tomography
Monte-Carlo-Based Network Bioluminescence Tomography
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2009/9/7
We present an approach based on the improved Levenberg Marquardt (LM) algorithm of backpropagation (BP) neural network to estimate the light source position in bioluminescent imaging. For solving the ...
Quality Assurance and Commissioning of an Infrared Marker-based Patient Positioning System for Frameless Extracranial Stereotactic Radiotherapy
extracranial infrared marker patient positioning system quality assurance
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2009/4/20
Rapid advancements in imaging technology have led to remarkable improvements in identification and localization of tumors, ushering the era of high-precision techniques in contemporary radiotherapy p...
Head Positioning Error in Cephalometric Radiography
CEPHALOMETRICS IMPLANTS RADIOGRAPHY
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2009/2/26
An experimental quantification of changes in position of cephalometric images caused by variation in head rotation in successive radiographs.
Neuromuscular and Skeletal Adaptations Following Mandibular Forward Positioning Induced by the Herbst Appliance
Adaptation Electromyography Herbst appliance Lateral cephalogram Lateral pterygoid muscle
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2009/1/4
The purpose of this study was to examine neuromuscular and skeletal adaptations to changes in sagittal jaw relationships induced by the Herbst appliance. Six patients (age, 9 years and 5 months to 1...
The Effect of Vertical and Horizontal Head Positioning in Panoramic Radiography on Mesiodistal Tooth Angulations
Axial inclination Root parallelism Head rotation Patient positioning
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2008/12/29
The purposes of this study were to examine the effect of potentially common patient positioning errors in panoramic radiography on imaged mesiodistal tooth angulations and to compare these results...
The Correlation Between Neovascularization and Bone Formation in the Condyle During Forward Mandibular Positioning
Mandibular condylar growth Functional appliance therapy New bone formation Vascular Endothelial Growth Factor Vascularization
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2008/12/26
The aim of the present study was to investigate the temporal pattern of expression of VEGF (Vascular Endothelial Growth Factor) and new bone formation in the condyle during forward mandibular posi...
Heterogeneity in Vertical Positioning of the Hyoid Bone in Relation to Genioglossal Activity in Men
Cephalometrics Genioglossus muscle Hyoid bone OSA
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2008/12/11
The aim of this study was to investigate whether there is any relationship among genioglossus (GG) baseline electromyographic (EMG) activity, upper airway resistance, and sex. We hypothesized that GG ...
Comparison of the Effect on Oral Discomfort of Two Positioning Techniques with Lingual Brackets
Esthetic appliances BEST system TOP system Discomfort Speech
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2008/12/11
Using a standardized questionnaire, 41 patients (12 men, 29 women; mean age 31.5 ± 12.1 years) were interviewed prospectively on their subjective oral comfort, various oral functions, and profession...
“Safe Zones”: A Guide for Miniscrew Positioning in the Maxillary and Mandibular Arch
Miniscrew Interradicular anatomy Safe zones
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2008/11/17
The aim of this study was to provide an anatomical map to assist the clinician in miniscrew placement in a safe location between dental roots. Volumetric tomographic images of 25 maxillae and 25 man...
Time Course of Expression of Bcl-2 and Bax in Rabbit Condylar Chondrocytes Following Forward Mandibular Positioning
Forward mandibular positioning Functional appliance Endochondral ossification Condyle
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2008/10/30
Objective: To clarify the expression of Bcl-2 and Bax following forward mandibular positioning (FMP) in the condylar chondrocytes of rabbits.Materials and Methods: Sixty rabbits at 8 weeks of age were...