نتایج جستجو برای: sectional area
تعداد نتایج: 761135 فیلتر نتایج به سال:
Background & Aim: Objective assessment of nasal airway is helpful in understanding nasal breathing function. Acoustic rhinometry is one of the most commonly used objective measurements of nasal airway. This test has the ability to measure cross-sectional areas of the nose in different distances and volume and also determines the site of minimal cross-sectional area. These variables are diff...
background: carpal tunnel syndrome (cts) is one of the most common musculoskeletal disorders among computer users. computer users exhibit various wrist angles while typing. dynamic changes of wrist angle may cause different degrees of median nerve compression. the objective of this study was thus to investigate the effects of the combination of wrist flexion-extension with wrist deviation on me...
The acoustic reflection technique noninvasively measures airway cross-sectional area vs. distance functions and uses a wave tube with a constant cross-sectional area to separate incidental and reflected waves introduced into the mouth or nostril. The accuracy of estimated cross-sectional areas gets worse in the deeper distances due to the nature of marching algorithms, i.e., errors of the estim...
The effects of the cross-sectional area of food samples on bite force with molar teeth were investigated using raw carrots and surimi gels. We evaluated human bite force for food samples with different sizes between the upper and lower molars using a multiple-point sheet sensor and electromyography (EMG). The bite force curve and EMG clearly showed textural characteristics of the carrot and gel...
OBJECTIVES/HYPOTHESIS To develop a growth model of the minimum cross-sectional area of the normal pediatric trachea with measurements from magnetic resonance images (MRIs) to supplement the clinical criteria used to determine if a child with tracheal stenosis needs surgery. STUDY DESIGN Retrospective imaging review. METHODS A total of 81 patients were imaged for a variety of clinical reason...
Several methods for measuring cross-sectional areas of cat extensor digitorum communis tendons. were evaluated in terms of repeatability. Estimates of correction factors to be used in relating measurements by different methods were also obtained. The measurements examined included: (1) moist specimen weight per unit length, (2) moist specimen displacement volume per unit length, (3) dry specime...
PURPOSE Age as poor prognostic factor following nerve repair may be due to change in intraneural anatomy with age. The purpose of this study is to find out the cross sectional microanatomy of the superficial branch of radial nerve (SBRN) at distal part of forearm for changes in the fascicular, non-fascicular components with respect to age and also to find cross section area of SBRN in healthy v...
PURPOSE To determine the effect of reactive hyperemia on human forearm vein area. METHODS After obtaining ethics approval and informed consent, an automatic tourniquet was applied to the forearms of 20 healthy subjects for one, two, and three minutes, at pressures of 25 mmHg, 200 mmHg, then 25 mmHg. A blinded radiographer measured the cross-sectional area of the cephalic vein at the wrist usi...
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