نتایج جستجو برای: age composition

تعداد نتایج: 1001173  

Journal: :Arquivos brasileiros de endocrinologia e metabologia 2009
Renato Vidal Linhares Marcelo de Oliveira Matta Jorge R P Lima Paulo M Silva Dantas Mônica Barros Costa José Fernandes Filho

OBJECTIVES Describe the characteristics of body composition, somatotype, basic physical qualities, dermatoglyphics and bone age regarding sexual maturation stages of boys. METHODS A transversal study was carried out in 136 boys, between 10 and 14 years of age. Clinical assessment, physical examination and radiography of wrists and hands to calculate bone age were performed. RESULTS A tenden...

2017
Kai-Yang Lo Min-Chen Wu Shu-Chin Tung City C. Hsieh Hsueh-Hua Yao Chien-Chang Ho

The relationship between students' school environment and exercise habits is complex, and is affected by numerous factors. However, the few studies that have been conducted on this relationship have reported inconsistent results, especially regarding Taiwanese students. We conducted this cross-sectional study to investigate the association of school environment and after-school physical activit...

2016
Sabine Herget Sandra Reichardt Andrea Grimm David Petroff Jakob Käpplinger Michael Haase Jana Markert Susann Blüher

High-intensity interval training (HIIT) consists of short intervals of exercise at high intensity intermitted by intervals of lower intensity and is associated with improvement of body composition and metabolic health in adults. Studies in overweight adolescents are scarce. We conducted a randomized controlled trial in overweight adolescents to compare acceptance and attendance of HIIT with or ...

Journal: :Nutricion hospitalaria 2008
R S Brock M C Falcão C Leone

OBJECTIVE The combination of twho anthropometric parameters has been more appropriate to assess body composition and proportions in children, with special attention to the Body Mass Index (BMI), as it relates weight and length. However the BMI values for the neonatal period have not been determined yet. This study shows the BMI for newborns at different gestational ages represented in a normal ...

2013
Chul-Young Bae Young Gon Kang Young-Sung Suh Jee Hye Han Sung-Soo Kim Kyung Won Shim

BACKGROUND To date, no studies have attempted to estimate body shape biological age using clinical parameters associated with body composition for the purposes of examining a person's body shape based on their age. OBJECTIVE We examined the relations between clinical parameters associated with body composition and chronological age, and proposed a model for estimating the body shape biologica...

2014
B. Quarles J. J. Lissauer

The origin of Earth's Moon has been a perplexing mystery for many decades. Lunar samples have been obtained indicating an age of the Moon to be roughly 60-120 Myr [1,2] younger than the Calcium Aluminum Inclusions in the chondritic meteorites. Updated measurements indicate an age difference of 70-110 Myr [3,4]. Additional information has been obtained for the composition of the Moon relative to...

Journal: :Advances in medical sciences 2013
R Varekova I Vareka

PURPOSE The purpose of our research was to compare the body mass index (BMI) and selected anthropometric parameters in asthmatic and non-asthmatic pubescents. MATERIAL AND METHODS The study group consisted of 64 asthmatic boys and 45 girls; the control group consisted of 68 nonasthmatic boys and 48 non-asthmatic girls. All the children were 12-14 years old. We measured anthropometric paramete...

2017
Helga Birgit Bjørnarå Sveinung Berntsen Saskia J Te Velde Liv Fegran Aslak Fyhri Benedicte Deforche Lars Bo Andersen Elling Bere

BACKGROUND The present study aims to increase bicycling and level of physical activity (PA), and thereby promote health in parents of toddlers, by giving access to different bicycle types. There is a need for greater understanding of e-bikes and their role in the transportation network, and further effects on PA levels and health. Moreover, longtail bikes could meet certain practical needs not ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1392

the purpose of this quantitative study was to investigate the relation between efl teachers’ self-efficacy beliefs and their success. moreover, the study was an analysis of the teacher age, gender and years of teaching experience, to examine the manner in which these factors relate to teacher self-efficacy as defined by bandura (1997) and teaching effectiveness as evaluated by their own student...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم 1390

در این مطالعه در پلیمر حساس به دما با استفاده از پلیمریزاسیون محلول n- ایزو پروپیل آکریل آمید با وینیل استات و آلیل گلایسیدیل اتر ایمینو اسید(age- ida) توسط واکنش جانشینی حاصل شد. پلیمریزاسیون در حضور دی اتیل اتر و 2،2’- آزوبیس بوتیرونیتریل(آغازگر) و در دمای c°70 انجام شد. هر دو پلیمر سنتزی در این دما یک فاز قابل جداسازی را از خود نشان می-دهند؛ در ادامه رفتارهای پلیمر مشتق شده از age/ ida در جذ...

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