Objectives: Inter-individual variations in sea level performance after altitude training have been attributed, at least in part, to an inter-individual variability in hypoxia induced erythropoiesis.

Background Occupational and leisure-time physical activity are considered to provide similar health benefits. The authors tested this hypothesis. Methods A representative sample of Danish employees ...

1 Department of Sports Science and Physical Education, The Chinese University of Hong Kong 2 Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong Correspondence to: Dr Li, ...

1 Department of Taekwondo, Keimyung University, Daegu, Republic of Korea 2 Department of Physical Education, Dong-A University, Busan, Republic of Korea 3 Department of Physical Education, Yonsei ...

Objective: The biomechanics of the head for punches to the jaw and the risk of head injury from translational and rotational acceleration were studied. Methods: Seven Olympic boxers from five weight ...

Correspondence to Dr Kimberly G Harmon, Departments of Family Medicine and Orthopaedics and Sports Medicine, University of Washington, Seattle WA 98195, USA; kharmon{at}uw.edu Sport-related concussion ...

Hamstring injuries (HSIs) are the most common athletic injury in running and pivoting sports, but despite large amounts of research, injury rates have not declined in the last 2 decades. HSI often ...

Objective To study the injury characteristics in professional football and to follow the variation of injury incidence during a match, during a season and over consecutive seasons. Design Prospective ...

1 Puget Sound Sports and Spine Physicians, Seattle, Washington, USA and Department of Rehabilitation Medicine, University of Washington, Seattle 2 Puget Sound Sports and Spine Physicians and ...

2 Department of Physical Medicine and Rehabilitation, Mayo Clinic college of Medicine, Mayo Clinic Sports Medicine Center, Rochester, Minnesota, USA Background The use of diagnostic and interventional ...

Eligibility criteria We searched four databases (PubMed, Embase, SPORTDiscus and Web of Science) for randomised controlled trials, published until December 2019, examining the effect of β2-agonists on ...

Wide variations in the definitions and methodologies used for studies of injuries in rugby union have created inconsistencies in reported data and made interstudy comparisons of results difficult. The ...