نتایج جستجو برای: athletes

تعداد نتایج: 25947  

Journal: :International journal of sports medicine 2006
A Alaranta H Alaranta J Holmila P Palmu K Pietilä I Helenius

Although athletes' beliefs and values are known to influence whether or not an athlete will use banned drugs, little is known about the athletes' beliefs and attitudes in different sports. The aim of this study was to clarify the beliefs and attitudes of elite athletes towards banned substances and methods in sports. A total of 446 athletes (response rate 90.3 %; 446/494) financially supported ...

Journal: :British journal of sports medicine 1984
D P Bhatnagar R Grewal

In the present study 22 rural athletes of four different states of India have been studied for 23 anthropometric parameters--weight, height, sitting height, six diameters, six circumferences and eight skin and subcutaneous tissue folds. Rural athletes of Punjab and Haryana have been found to be comparable pertaining to all the anthropometric variables. Athletes of Madhya Pradesh show minimum va...

Journal: :Cardiovascular Ultrasound 2008
Laura Stefani Loira Toncelli Valentina Di Tante Maria Concetta Roberta Vono Brunello Cappelli Gianni Pedrizzetti Giorgio Galanti

BACKGROUND Ultrasound speckle tracking from grey scale images allows the assessment of regional strain derived from 2D regardless of angle intonation, and it is highly reproducible. The study aimed to evaluate regional left ventricular functional reserve in elite soccer players. METHODS 50 subjects (25 elite athletes and 25 sedentary controls), aged 26 +/- 3.5, were submitted to an echo exam,...

2017
Kelsey Erickson Susan H. Backhouse David Carless

Athletes exist and function in an environment of complex relationships; however, little is known about the influence of specific relationships for athletes’ attitudes, experiences and behaviors toward doping in sport. Among adolescent and young adult athlete populations, parents and coaches have been highlighted as particularly influential, but when and how they influence athletes in this conte...

Journal: :Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists 2014
Summer Ott Philip Schatz Gary Solomon Joseph J Ryan

This study documented baseline neurocognitive performance of 23,815 athletes on the Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) test. Specifically, 9,733 Hispanic, Spanish-speaking athletes who completed the ImPACT test in English and 2,087 Hispanic, Spanish-speaking athletes who completed the test in Spanish were compared with 11,955 English-speaking athletes who comple...

2014
Marcin Kurowski Janusz Jurczyk Marzanna Jarzębska Sylwia Moskwa Joanna S Makowska Hubert Krysztofiak Marek L Kowalski

BACKGROUND Respiratory epithelium integrity impairment caused by intensive exercise may lead to exercise-induced bronchoconstriction. Clara cell protein (CC16) has anti-inflammatory properties and its serum level reflects changes in epithelium integrity and airway inflammation. This study aimed to investigate serum CC16 in elite athletes and to seek associations of CC16 with asthma or allergy, ...

2017
Haruna Muwonge Robert Zavuga Peninnah Aligawesa Kabenge Timothy Makubuya

Background The use of nutritional supplements (NS) places athletes at great risk for inadvertent doping. Due to the paucity of data on supplement use, this study aimed to determine the proportion of Ugandan athletes using nutritional supplements and to investigate the athletes' motivation to use these supplements. Methods A cross-sectional study was conducted in which an interviewer-administe...

Journal: :The New England journal of medicine 1998
D Corrado C Basso M Schiavon G Thiene

BACKGROUND For more than 20 years in Italy, young athletes have been screened before participating in competitive sports. We assessed whether this strategy results in the prevention of sudden death from hypertrophic cardiomyopathy, a common cardiovascular cause of death in young athletes. METHODS We prospectively studied sudden deaths among athletes and nonathletes (35 years of age or less) i...

Journal: :Circulation 2013
Aline Iskandar Paul D Thompson

BACKGROUND The aorta is exposed to hemodynamic stress during exercise, but whether or not the aorta is larger in athletes is not clear. We performed a systematic literature review and meta-analysis to examine whethere athletes demonstrate increased aortic root dimensions compared with nonathlete controls. METHODS AND RESULTS We searched MEDLINE and Scopus from inception through August 12, 201...

Journal: :European heart journal 2007
Sandeep Basavarajaiah Matthew Wilson Gregory Whyte Ajay Shah Elijah Behr Sanjay Sharma

AIMS Identification of a prolonged, corrected QT (QTc) interval in athletes may be a recommendation for disqualification from competitive sports. However, the prevalence and diagnostic significance of an isolated prolonged QTc in asymptomatic athletes without familial disease is unknown. METHODS AND RESULTS Between 1996 and 2006, 2000 elite athletes (mean age, 20.2 years) underwent 12-lead EC...

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