نتایج جستجو برای: professional sports

تعداد نتایج: 151185  

Journal: :Review of Industrial Organization 2022

Abstract A peculiarity in professional sports is the fact that leagues regularly hold monopoly power within their sports. However, whether and to what extent these may compete with other across relatively unexplored. This paper contributes literature by analyzing competition fan substitution Germany, where top-tier league managers handball, basketball, ice hockey have recently claimed teams suf...

Journal: :Arquivos brasileiros de cardiologia 2010
Fernando Bianchini Cardoso Marcos Bianchini Cardoso Roberto Itiro Nishimura Georgiane Crespi Ponta Gustavo Calado de Aguiar Ribeiro Cledcyson Eloy Costa

This study reports a rare case of late diagnosis of atrial septal defect (ASD) with pulmonary hypertension (PH) through two-dimensional echocardiography (ECHO) in a professional soccer player who resumed high-performance sports activity after surgery.

Journal: :International journal of occupational medicine and environmental health 2015
Karina Wierzbowska-Drabik Andrzej Marcinkiewicz Jarosław Damian Kasprzak

Ensuring safety of young athletes and employees who perform hard physical work within the scope of their professional duties, with a special focus on prevention of a sudden cardiac death at sports fields or during hard physical work is one of the most important tasks, which demands joint effort of cardiologists and sport physicians or occupational physicians, who qualify patients for a job or a...

باقریان فرح آبادی, ابراهیم, دهقان, علی, غلامی, محمد علی, محسنی ساروی, بنیامین, کبیرزاده, آذر, کهنسال, سمیه, یعقوبیان, محبوبه,

Background and purpose: One of the health concerns is sports injury which is also the most issues for sports medicine specialists. Due to the effect of acute or chronic sports injuries in professional life and even individuals, the occurrence of sports injuries in Mazandaran the province was studied. Materials and methods: This is a cross-sectional study. Data were derived from hospitals and o...

2004
Jerry Carlino

www.phil.frb.org Business Review Q2 2004 7 www.phil.frb.org Rapid population growth in many metropolitan areas in the United States has made them economically viable locations for professional sports franchises such as those of Major League Baseball (MLB) or the National Football League (NFL). But since all four of the major sports leagues tightly control both the creation of new franchises and...

Benar, Nooshin, Hashemi, Mahmood, Hemati Nezhad, Mehr Ali, Momeni Piri, Sajad, Noroozi, Saeed,

Abstract The purpose of the present study was to examine the process of retirement from professional sport from perspective of sports administrator and retired athletes. This survey was descriptive that 42 administrators and 70 retired athletes from Guilan province took part in it. Data gathered through SCT questionnaire which it's content and face validity was confirmed by 15 experts and re...

ژورنال: رویش روانشناسی 2021

In addition to physical fitness, psychological factors can have a great impact on athletic performance. The aim of this study was to investigate the relationship between mental toughness, perceived motivational climate, and goal orientation among professional athletes. The research was a descriptive correlational study. The study population consisted of all professional athletes who participate...

2009
Samuel M. Sanders John B. Richardson William Hartrich Leslie J. Bisson

We describe a healthy 40-year old professional hockey player with an asymptomatic sternal non-union following aortic root surgery. The purpose of this case report is to make orthopedic surgeons aware of the possibility of this complication following sternotomy, and to discuss the considerations involved in return to play in contact sports. We will discuss our work-up, evaluation, and management...

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