نتایج جستجو برای: static and dynamic instability

تعداد نتایج: 16915941  

Background and Objectives: Among the foot orthoses prescribed to improve postural control in chronic ankle instability, foot orthoses designed to affect both types of mechanical and functional instability have a limited research background. In the present study, a type of foot orthosis named the custom mold with a raised ridge around the perimeter was designed, and manufactured, and its effect ...

Journal: :journal of basic research in medical sciences 0
himan ebrahimi department of sport pathology and corrective exercise, faculty of physical education and sport sciences, university of allameh tabatabai, tehran, iran mehdi shahrokhi department of sport pathology and corrective exercise, faculty of physical education and sport sciences, university of allameh tabatabai, tehran, iran zahra toktam barmar department of physical education and sports science, islamic azad university of mashhad, mashhad, iran ramin balouchi department of physical education and sports science, islamic azad university of mashhad, mashhad, iran

introduction: sensory-motor control and in general gaining balance will be impaired after an ankle injury and in fatigue situations. the aim of this research was to study the effect of exercise-based fatigue on static and dynamic balance in mountaineering athletes who were successful in returning to a suitable level of physical activity after an ankle sprain injury. materials and methods: 25 ac...

Alirezaei, Fatemeh, Sadeghi, Heydar,

Objectives: Poor balance is one of risk factors of falling, a cause of injury and even death in elderly. The aim of this study was to evaluate the effect of a water exercise program on static and dynamic balance in elder women. Methods & Materials: Thirty participants aged 55-70 years completed an exercise program (60 min, 3 days and 6 weeks), in 2 groups, exercise and control, voluntarily. ...

آذغانی, محمود رضا, پرنیانپور, محمد, کاظم نژاد, انوشیروان, کهریزی, صدیقه, ارشاد, ندا ,

  Background : Epidemiological studies showed that low back pain after load-carrying and holding is the most common disorder in industrialized countries and cause of dysfunction and economic problems. Variable dynamic loads impose varying moments about the intervertebral joints and cause a threat to balance. The aim of the present study was to compare the postural stability while holding dynami...

2015
S. N. PADHI

Thisarticle presents the evaluation of static and dynamic behavior of simply supported sigmoid functionally graded ordinary (SFGO) beam. A finite element method is used considering first order shear deformation for the analysis.The element chosen in the present case is different from the conventional elements in the sense that the shape functions of the element is obtained from the exact soluti...

A Ghorbanpour Arani, I Alinaghian M Jamali M Mosayyebi R Kolahchi

In this study, a realistic model for dynamic instability of embedded single-walled nanotubes (SWCNTs) conveying pulsating fluid is presented considering the viscoelastic property of the nanotubes using Kelvin–Voigt model. SWCNTs are placed in longitudinal magnetic fields and modeled by sinusoidal shear deformation beam theory (SSDBT) as well as modified couple stress theory. The effect of slip ...

Attarzadeh Hoseini, Seyed Reza, Jannati, Sepideh, Sohrabi, Mehdi,

Objectives: The aim of current study was to determine the effects of Hata yoga training on dynamic and static balances of elderly women in Mashhad. Methods and Materials: The present study enjoys the semi-experimental design. The statistical population of the study, which has been carried out in 2009, were elderly women of Mashhad who were voluntarily invited to participate in the research. ...

Journal: :علوم زیستی ورزشی 0
علیرضا رمضانی استادیار دانشگاه تربیت دبیر شهید رجایی، تهران، ایران سارا زارع کاریزک دانشجوی دکتری فیزیولوژی ورزشی دانشگاه تربیت دبیر شهید رجایی، تهران، ایران میثم شعبانی نیا دانشجوی دکتری فیزیولوژی ورزشی دانشگاه تربیت دبیر شهید رجایی، مربی دانشگاه آزاد اسلامی شوشتر، شوشتر، ایران

optimization of training results and improvement of response requires selecting appropriate stimulus and are goals of any training program. it seems that ischemic-reperfusion preconditioning (irpc) can be a suitable stimulus to increase submaximal contractile responses. therefore, this study aimed at investigating the effect of ischemic-reperfusion preconditioning and remote preconditioning (ir...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی 1391

in this study, the effects of oleothermal modification on physical and mechanical peroperties of fir wood (abeis sp.) blocks were examined. at first, some blocks of fir wood with 5 × 20 × 120 cm dimensions were prepared. the blocks were treated in soybean oil. the effects of 3 factors such as treatments temperature (180and 200 °c), holding time (12 and 15 h) and initial moisture content of wood...

Introduction and Aim: This study aimed to determine the effect and persistence of neuromuscular correction programs on landing position, static and dynamic balance in athletes with Dynamic Knee Valgus defects. Methods: The statistical population of this quasi-experimental study included teenagers athletes in soccer with dynamic knee valgus deformity who were purposefully selected and randomly ...

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