نتایج جستجو برای: body positions

تعداد نتایج: 808317  

Journal: :Gaziantep Üniversitesi spor bilimleri dergisi 2022

The present study aims to examine the effects of different body positions on pulmonary functions in adolescent football players. Twenty-three healthy male players who did not have any diseases and smoke participated voluntarily. Pulmonary function tests (PFT) were determined by using a spirometer. Measurements performed sitting, standing supine determine effect functions. One-way analysis varia...

علی اکبر رجبی, ,

  We present a mathematical method to describe motion of a system based on 3 identical body forces. The 3-body forces are more easily introduced and treated within the hyperspherical harmonics. We have obtained an exact solution of the radial Schrödinger equation for a 3- body system in three dimensions. The interact potential  V  is assumed to depend on the hyperradius X only where X is a func...

Journal: :Sleep 2001
T Penzel M Möller H F Becker L Knaack J H Peter

Collapsibility of the upper airways has been identified as an important pathogenic factor in obstructive sleep apnea (OSA). Objective measures of collapsibility are pharyngeal critical pressure (Pcrit) and resistance of the upstream segment (Rus). To systematically determine the effects of sleep stage and body position we investigated 16 male subjects suffering from OSA. We compared the measure...

2001

Collapsibility of the upper airways has been identified as an important pathogenic factor in obstructive sleep apnea (OSA). Objective measures of collapsibility are pharyngeal critical pressure (Pcrit) and resistance of the upstream segment (Rus). To systematically determine the effects of sleep stage and body position we investigated 16 male subjects suffering from OSA. We compared the measure...

Journal: :علوم زیستی ورزشی 0
علی اصغر فلاحی استادیار فیزیولوژی ورزشی، cardioprotection دانشکدۀ علوم تربیتی و روان شناسی، بخش تربیت بدنی، دانشگاه شیراز عباسعلی گائینی استاد فیزیولوژی ورزش دانشکده تربیت بدنی دانشگاه تهران؛ محسن جاویدی دانشجوی دکتری فیزیولوژی ورزشی قلب و عروق دانشگاه شهید بهشتی علی اکبر جدیدیان دانشجوی دکتری حرکات اصلاحی و آسیب شناسی ورزشی دانشگاه تهران، عضو هیأت علمی دانشگاه پیام نور مرکز سنندج خسرو نصیری دانشیار دانشکدۀ تربیت بدنی و علوم ورزشی دانشگاه تهران و سرپرست فدراسیون هندبال جمهوری اسلامی ایران

the aim of this study was to describe and assess general anthropometric measurements and somatotypes of elite male players of iran adult handball national team and to compare these measurements with those of european elite players in different positions. 19 elite handball players of iran national handball team including goalkeepers (n=4), wing (n=4), center backs (n=2), pivots (n=2) and backs (...

2015
So Hyun Park

[Purpose] The aim of this study was to analyze lower cervical spine kinematics in protracted and retracted neck flexion positions in healthy people. [Subjects and Methods] The craniovertebral angle (CVA) and intervertebral body angles of the lower cervical spine of 10 healthy individuals were analyzed using fluoroscopy in a neutral sitting with the head in the neutral (N), protracted (Pro), and...

2016
Hüseyin Hüsrev Turnagöl

The aim of this study was to compare whole and segmental body composition and bone mineral density of collegiate American football players by playing positions. Forty collegiate American football players voluntarily participated in this study. Participants were categorized by playing positions into one of five categories i.e., defensive linemen, offensive linemen, defensive secondary players, o...

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