نتایج جستجو برای: constant of motion

تعداد نتایج: 21188662  

Journal: :iranian journal of public health 0
soung-yob rhi 1. institute of sports science, seoul national university , seoul, korea. wi-young so 2. dept. of human movement science, seoul women's university , seoul, korea.

we aimed to analyze the range of motion (rom) and internal rotation (ir) and external rotation (er) isokinetic strength according to humeral retroversion of the dominant shoulder.we included 40 elite baseball players in korea (obp group: n=20 players with careers spanning >10 years, age: 19.37±2.21 years, height: 181.00±5.41 cm, weight: 84.58±7.85 kg; bbp group: n=20 players with careers spanni...

Journal: :Chaos: An Interdisciplinary Journal of Nonlinear Science 2014

صیانتی, صفا, گیتی, محمدرضا,

Background: Anterior glenohumeral instabilities can be corrected with open and arthroscopic surgery. The purpose of this study was to evaluate retrospectively the surgical outcomes of arthroscopic repair of anterior glenohumeral instabilities with use of suture anchors in a series of patients who were followed for twenty to fifty months. Methods: The results of arthroscopic Bankart repair with...

Journal: Physical Treatments 2015

Purpose: Proprioception is a part of the somatosensory system responsible for sending information to the central nervous system to monitor the status of various body parts relative to each another. One of the main causes of impaired proprioception is fatigue. In the following study, the effects of fatigue on quadriceps muscle and hence on knee proprioception in healthy subjects was studied.&nbs...

ژورنال: توانبخشی 2015
احمدی, امیر, شقایق‌فرد, بهار, صراف‌زاده, جواد, معروفی, نادر,

Objective: One of the most common faulty posture of cervical spine is forward head posture (FHP). According to biomechanical changes in the muscles and ligaments of the neck which are rich source of mechanoreceptors, proprioception possibly impaired in forward head posture. Assessment of neck repositioning angles can be an indicator to assess proprioception of this region .The aim of this study...

Journal: :تاریخ علم 0
عبدالرسول عمادی دانش آموختۀ دکتری تاریخ علم دورۀ اسلامی، پژوهشگاه علوم انسانی و مطالعات فرهنگی غلامحسین رحیمی شعرباف استاد دانشکدۀ فنی، دانشگاه تربیت مدرس

according to abū al-barakāt baghdādī, time and place are a priori conditions of motion; moreover, against the peripatetic philosophers, for whom time is the measure of motion, he holds that time is the measure of existence. nevertheless, he believes that we can define motion on the basis of our intuitive non-scientific concept of time and, by so doing, we can resolve the apparent circularity of...

Journal: :transport phenomena in nano and micro scales 2016
n. hedayati a. ramiar

in this paper, unsteady two phase simulation of nanofluid flow and heat transfer between moving parallel plates, in presence of the magnetic field is studied. the significant effects of thermophoresis and brownian motion have been contained in the model of nanofluid flow. the three governing equations are solved simultaneously via galerkin method. comparison with other works indicates that this...

2016
Y. Hiki T. Kosugi T. Kino

Ultrasonic attenuation in Harshaw LiF and NaCl crystals in deformed and y-irradiated states has been measured at 5 a 100 MHz under hydrostatic pressure up to 3500 kg/cmz. By analyzing the data on the basis of the vibrating string model of dislocation, the pressure derivative of damping constant for dislocation motion was determined. The results were compared with theories of dislocation damping...

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