Results 121 to 130 of about 482,983 (358)

“More players can reach national and international levels”: coaches perceptions of “birthday-banding” in youth squash and its potential for minimising relative age effects

Frontiers in Sports and Active Living
Relative age effects (RAEs) are common across many youth sports that use age group structures to band athletes. This creates a significant overrepresentation of those who are born near the start of the selection cut-off date across talent pathways ...
Adam L. Kelly, Achuthan Shanmugaratnam, Kathryn Johnston, Joseph Baker, Matthew Ferguson, Mark Jeffreys, Josh Taylor, Alexander B. T. McAuley   +7 more
doaj   +1 more source

Perbedaan Nilai Vital Capacity, Forced Vital Capacity Dan Forced Expiratory Volume in One Second Antar Cabang Olahraga Pada Atlet Usia 6-12 Tahun [PDF]

, 2015
Background: Physical activity during childhood and adolescence has an important impact on health and life quality. The earlier study shown that regular exercise has significant impact to the lung and cardiovascular function.
Kumaidah, E. (Endang), Mubarok, W. (Wildan), Supatmo, Y. (Yuswo)   +2 more
core  

A unified model for the long and high jump

, 2005
A simple model based on the maximum energy that an athlete can produce in a small time interval is used to describe the high and long jump. Conservation of angular momentum is used to explain why an athlete should run horizontally to perform a vertical ...
Dapena J., M. T. Yamashita, Nelson D. L., O. Helene   +3 more
core   +1 more source

Usefulness of colchicine for Covid-19 myopericarditis in athletes. A case report and review of the literature

, 2021
Asterios Deligiannis, Efthymia Dervisopoulou, Evangelia Kouidi   +2 more
openalex   +1 more source

Statistical Discrimination of Urinary Steroid Biomarkers in the Athlete Biological Passport: A Novel Approach to an Abnormal Steroid Profile Score (ASPS)

Drug Testing and Analysis, EarlyView.
The study developed a single Abnormal Steroid Profile Score (ASPS) to improve interpretation of the Athlete Biological Passport steroid module. Using Bayesian modelling and logistic regression, biomarker patterns from laboratory and doping control data successfully discriminated between doped and clean individuals, with improved classification ...
James G. Hopker, Jim E. Griffin, Matthew N. Fedoruk, Laura A. Lewis   +3 more
wiley   +1 more source

Athlete Activism

, 2021
This book takes a close look at the phenomenon of athlete activism, across all levels of sport from elite and international sport to collegiate and semi-pro, and asks what this tells us about the relationship between sport and wider society. With contributions from scholars around the world, the book presents a series of fascinating case studies ...
openaire   +2 more sources

Positive Doping Test Linked to Crumb Rubber From Artificial Football Pitch: Case Report

Drug Testing and Analysis, EarlyView.
1,3‐DMBA was detected in urine samples of eight athletes following a doping control, resulting in one AAF and levels below WADA's MRL in seven teammates. Investigation revealed contamination from rubber infill used on the indoor artificial turf, with analysis confirming 1,3‐DMBA in the turf's crumb rubber originating from recycled tires.
Astrid Gjelstad, Geir Holden, Per Ole M. Gundersen, Yvette Dehnes, Magnus Tvedte, Maren Levernæs, Åse Kjustad Eriksson, Fredrik Lauritzen   +7 more
wiley   +1 more source

Effects of run-up velocity on performance, kinematics, and energy exchanges in the pole vault [PDF]

, 2012
Copyright @ 2012 The Authors. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and 85 reproduction in any medium, provided the original author and source
Linthorne, NP, Weetman, AHG
core  

Social Comparison and Its Association With Disordered Eating Symptoms: A Systematic Review and Meta‐Analysis

International Journal of Eating Disorders, EarlyView.
ABSTRACT Objective Social comparison has been widely implicated in the etiology and maintenance of body dissatisfaction and eating disorders. At the same time, however, the magnitude of this relationship remains unclear, with existing studies varying widely in methodology, measurement, and sample characteristics.
Fidan Turk, Aysesu Bozdogan, Rachel Hughes, Phaedra Longhurst, Millie Chilvers, Ellen E. Fitzsimmons‐Craft   +5 more
wiley   +1 more source

“I Was Just Like a Sponge, Absorbing All the Wrong Information”: Examining the Role of Social Media in Athletes' Eating Disorder and Recovery Experiences

International Journal of Eating Disorders, EarlyView.
ABSTRACT Objective Within sport environments, athletes are exposed to norms that circulate narrow meanings about the body and food, contributing to the high prevalence of eating disorders (EDs). While social media can support ED recovery, it can also further constrain food‐ and body‐related messages for athletes.
Olivia Feng, Lindsay R. Duncan
wiley   +1 more source