نتایج جستجو برای: efficacy on young athletes

تعداد نتایج: 8704099  

Journal: :British journal of sports medicine 2010
E D Zemper

While very rare, catastrophic injuries in youth sports have a major impact on athletes and their families when they do occur. This article reviews and summarises the sparse research on direct catastrophic injuries in youth sports, a direct catastrophic sports injury being defined as a sport injury that resulted from participation in the skills of the sport, and resulted in a fatality or in a no...

Journal: :International Sport Coaching Journal 2021

According to the Leadership Efficacy Model, leadership efficacy depends on leaders’ tendency make linear relationships between philosophy, practice, and criteria (i.e., congruence of cycles). Moreover, increases if coaches these by using optimal profile considering antecedent factors (characteristics leader, team members, organizational conditions; i.e., favorability conditions for leadership)....

Journal: :Journal of pediatric orthopedics 2014
Matthew D Milewski David L Skaggs Gregory A Bishop J Lee Pace David A Ibrahim Tishya A L Wren Audrius Barzdukas

BACKGROUND Much attention has been given to the relationship between various training factors and athletic injuries, but no study has examined the impact of sleep deprivation on injury rates in young athletes. Information about sleep practices was gathered as part of a study designed to correlate various training practices with the risk of injury in adolescent athletes. METHODS Informed conse...

Mozaffari, Seyyed Amir Ahmad, Nazarian Madavani, Abbas, Tondnevis, Fereydoon,

The purpose of the present study was to determinethe effect of coaching behaviors on coaching efficacy and team dynamic of vollyball pro- league in Iran (2009). 160 athletes and coach from 13 team participated as samples in this study. Coacing behavior was measured by Martin, S.B., & Barnes, K. (1999) Coaching Behavior questionnaire. Coaching Efficacy was measured by Feltz, D.L., Chase, M.A, Mo...

2011
Audrey Baguet Inge Everaert Peter Hespel Mirko Petrovic Eric Achten Wim Derave

BACKGROUND It has been established that excellence in sports with short and long exercise duration requires a high proportion of fast-twitch (FT) or type-II fibers and slow-twitch (ST) or type-I fibers, respectively. Until today, the muscle biopsy method is still accepted as gold standard to measure muscle fiber type composition. Because of its invasive nature and high sampling variance, it wou...

Journal: :British journal of sports medicine 2013
Jonathan A Drezner Euan Ashley Aaron L Baggish Mats Börjesson Domenico Corrado David S Owens Akash Patel Antonio Pelliccia Victoria L Vetter Michael J Ackerman Jeff Anderson Chad A Asplund Bryan C Cannon John DiFiori Peter Fischbach Victor Froelicher Kimberly G Harmon Hein Heidbuchel Joseph Marek Stephen Paul Jordan M Prutkin Jack C Salerno Christian M Schmied Sanjay Sharma Ricardo Stein Mathew Wilson

Cardiomyopathies are a heterogeneous group of heart muscle diseases and collectively are the leading cause of sudden cardiac death (SCD) in young athletes. The 12-lead ECG is utilised as both a screening and diagnostic tool for detecting conditions associated with SCD. Fundamental to the appropriate evaluation of athletes undergoing ECG is an understanding of the ECG findings that may indicate ...

2012
Rhodri S. Lloyd Jon L. Oliver

THE DEVELOPMENT OF PHYSICAL FITNESS IN YOUNG ATHLETES IS A RAPIDLY EXPANDING FIELD OF INTEREST FOR STRENGTH AND CONDITIONING COACHES, PHYSICAL EDUCATORS, SPORTS COACHES, AND PARENTS. PREVIOUS LONG-TERM ATHLETE DEVELOPMENT MODELS HAVE CLASSIFIED YOUTH-BASED TRAINING METHODOLOGIES IN RELATION TO CHRONOLOGIC AGE GROUPS, AN APPROACH THAT HAS DISTINCT LIMITATIONS. MORE RECENT MODELS HAVE ATTEMPTED T...

Journal: :Acta orthopaedica Belgica 2015
J A Humphrey R Jandoo M Tofighi A Wiik A Tindall

PURPOSE Displaced stress fractures of the femoral neck in young female athletes are a rare but a difficult injury to treat with a favourable outcome, as there is a reported high incidence of avascular necrosis. Traditionally they are internally fixed with either cannulated screws or a sliding hip screw. Our study aims to highlight the Targon Femoral Neck (FN, B-Braun, Aesculap Inc, Germany) imp...

Journal: :Applied neuropsychology 2003
Catherine K McKeever Philip Schatz

The recent literature has focused on the need for appropriate identification, assessment, and management of sports-related concussion. This article addresses current issues in the prevalence and assessment of sports-related concussion. Despite a paucity of research on female athletes and youth athletes, there is evidence that female athletes are at higher risk for injury than males and that con...

Journal: :Journal 2005
Carol-Ann P Yakiwchuk Hans Stasiuk William Wiltshire Douglas J Brothwell

Tobacco use remains a major cause of preventable illness and death in North America. Although reported smoking rates have decreased, they remain high among the young and among Aboriginal people. As part of an oral health promotion project, a convenience sample of 163 Aboriginal athletes participating in the 2002 North American Indigenous Games completed a self-administered questionnaire address...

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