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Background: Travelling across multiple time zones disrupts normal circadian rhythms and induces “jet lag”. Possible effects of this on training and performance in athletes were concerns before the ...

1 Injury Prevention Research Unit, Department of Preventive and Social Medicine, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand 2 Department of Emergency Medicine, School of ...

The objective is to provide guidance for pregnant women and obstetric care and exercise professionals on prenatal physical activity. The outcomes evaluated were maternal, fetal or neonatal morbidity, ...

Oslo Sports Trauma Research Center, Norwegian University of Sport and Physical Education, Oslo, Norway Correspondence to: Dr T E Andersen Oslo Sports Trauma Research Center, Norwegian University of ...

Correspondence to Tahlia Alsop, School of Health and Rehabilitation Sciences, The University of Queensland, St Lucia, QLD 4072, Australia; t.alsop{at}uq.edu.au The WHO has called for action to ...

A problem with epidemiological studies of football injuries is the inconsistent manner in which injury is defined and data are collected. Projects have been initiated to study the incidence and causes ...

Correspondence to Dr Sebastien Racinais, Research and Scientific Support, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, PO Box 29222, Qatar; sebastien.racinais{at}aspetar.com Objectives To ...

3 FIFA-Medical Assessment and Research Centre (F-MARC), Schulthess Klinik, Zurich, Switzerland Correspondence to: Dr A Junge Schulthess Klinik, FIFA-Medical Assessment and Research Centre (F-MARC), ...

Swiss Laboratory for Doping Analyses, Institute of Legal Medicine, Lausanne, Switzerland Correspondence to: M Saugy Swiss Laboratory for Doping Analyses, Institute of Legal Medicine, Lausanne, ...

Correspondence to Dr Christian Raschner, Department of Sport Science, University of Innsbruck, Fuerstenweg 185, A-6020 Innsbruck; Christian.Raschner{at}uibk.ac.at Background Owing to the separation ...

Objective To investigate the association between concussion history and depressive symptoms after adjusting for physical activity, substance use, and illicit drug use. Methods We analysed data from ...