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BMJ Open Sport & Exercise Medicine

Colin Wallace, Jonathan D Smirl, Henrik Zetterberg, Kaj Blennow, Kelsey Bryk, Joel Burma, Jill Dierijck, Alexander David Wright, Paul van Donkelaar
Objectives: To determine the effect of heading a soccer ball on serum neurofilament light (NF-L) protein, plasma tau protein and symptom metrics including total number of symptoms reported and symptom severity scores on the Standardized Concussion Assessment Tool- 3rd edition (SCAT3). Methods: Eleven male collegiate soccer players were recruited to take part in three experimental conditions including heading, sham and control conditions. Participants were required to perform 40 headers in 20 min in the heading condition, and control 40 soccer balls directed at them with their hands, chest or thigh in the sham condition...
2018: BMJ Open Sport & Exercise Medicine
Jan de Jonge, Luuk van Iperen, Josette Gevers, Steven Vos
Background: Running-related injuries (RRIs) can be considered the primary enemy of runners. Most literature on injury prediction and prevention overlooks the mental aspects of overtraining and under-recovery, despite their potential role in injury prediction and prevention. Consequently, knowledge on the role of mental aspects in RRIs is lacking. Objective: To investigate mental aspects of overtraining and under-recovery by means of an online injury prevention programme...
2018: BMJ Open Sport & Exercise Medicine
Filip Eckerström, Christian Emil Rex, Marie Maagaard, Sune Rubak, Vibeke Elisabeth Hjortdal, Johan Heiberg
Background: Asthma is a frequent diagnosis in competitive sports, and inhaled β2 -agonists are commonly used by athletes. Although inhaled β2 -agonists do not seem to improve performance in athletes, it has remained uncertain whether they can increase exercise performance in non-athletes. Objective: To investigate the effect of inhaled β2 -agonists on exercise performance in healthy non-athlete individuals. Methods: In a double-blinded, placebo-controlled, cross-over trial, healthy, non-asthmatic, non-athlete individuals were randomised to inhalation of either 900 µg of salbutamol or placebo...
2018: BMJ Open Sport & Exercise Medicine
(no author information available yet)
[This corrects the article DOI: 10.1136/bmjsem-2017-000305.].
2018: BMJ Open Sport & Exercise Medicine
(no author information available yet)
[This corrects the article DOI: 10.1136/bmjsem-2017-000299.].
2018: BMJ Open Sport & Exercise Medicine
Nicole Norheim, Alicia Kissinger-Knox, Megan Cheatham, Frank Webbe
Objectives: The Sport Concussion Assessment Tool-5 (SCAT5) was published in 2017; however, normative performance within the college athlete population on the optional 10-item word list has not been described. This study reports normative values for immediate memory trials, total immediate memory score and delayed recall of the 10-item word list. Methods: The SCAT5 was administered as part of the preparticipation medical testing to 514 collegiate student-athletes, aged 17-23 ( M =19...
2018: BMJ Open Sport & Exercise Medicine
Lauren Meredith, Robert Ekman, Robert Thomson
Objectives: Head injuries are the leading cause of death in horse-related injury events and, even since the introduction of helmets, represent a sizeable proportion of all horse-related injuries. Falls from horseback and kicks to the head are the most frequent type of incident causing head injuries, but it is unknown whether these incidents are predictors of head injury. This study aimed to investigate head injuries and the association between incident type and head injury. Method: Retrospective review of 7815 horse-related injury events was conducted...
2018: BMJ Open Sport & Exercise Medicine
Elin Arvidson, Anna Sjörs Dahlman, Mats Börjesson, Lennart Gullstrand, Ingibjörg H Jonsdottir
Background: This paper describes the protocol and methodological prerequisites for a randomised controlled exercise intervention. Selected baseline data from the study are also presented, demonstrating some methodological challenges related to exercise intervention trials. The aim of the trial was to study the effects of exercise training on physiological responses to acute psychosocial stress in untrained individuals. Methods: Individuals with a low level of physical activity were invited to participate in an exercise intervention lasting for 6 months...
2018: BMJ Open Sport & Exercise Medicine
George Cairns, Timothy Owen, Stefan Kluzek, Neal Thurley, Sinead Holden, Michael Skovdal Rathleff, Benjamin John Floyd Dean
Objective: Evaluate effectiveness and harms of interventions for patellar tendon related pain in children and adolescents. Design: Systematic review and meta-analysis. Data sources: Medline via Pubmed, Embase via OVID, CINAHL via Ebsco, SportDiscus up until 24 November 2017 were searched. Eligibility criteria for selecting studies: Inclusion criteria were (1) controlled or randomised controlled clinical trials (RCTs), (2) participants with diagnosis of patellar tendon related disorder, (3) participants≤18 years of age at enrolment and (4) published in a peer-reviewed English or Scandinavian language journal...
2018: BMJ Open Sport & Exercise Medicine
Paraskevi Pericleous, Savvas Stephanides
Objectives: It has been suggested that the symptoms of Polycystic Ovary Syndrome (PCOS) could be improved by resistance training. Design: This review focuses on identifying studies that use resistance training to examine how it can affect the symptoms of polycystic ovary syndrome (PCOS). Methods: Medline, Cochrane, Dare and PubMed databases were searched to find relevant articles. All studies were assessed in terms of their design and methods...
2018: BMJ Open Sport & Exercise Medicine
Damian James Harper, John Kiely
No abstract text is available yet for this article.
2018: BMJ Open Sport & Exercise Medicine
Barbara N Morrison, James McKinney, Saul Isserow, Daniel Lithwick, Jack Taunton, Hamed Nazzari, Astrid M De Souza, Brett Heilbron, Carlee Cater, Mackenzie MacDonald, Benjamin A Hives, Darren E R Warburton
Background: Underlying coronary artery disease (CAD) is the primary cause of sudden cardiac death in masters athletes (>35 years). Preparticipation screening may detect cardiovascular disease; however, the optimal screening method is undefined in this population. The Physical Activity Readiness Questionnaire for Everyone (PAR-Q+) and the American Heart Association (AHA) Preparticipation Screening Questionnaire are often currently used; however, a more comprehensive risk assessment may be required...
2018: BMJ Open Sport & Exercise Medicine
Hao Luo, Robert U Newton, Fadi Ma'ayah, Daniel A Galvão, Dennis R Taaffe
Background: Strategies to prevent or attenuate the age-related decline in physical and physiological function and reduce chronic disease risk factors are of clinical importance. Objective: To examine the health benefits of recreational soccer in middle-aged and older adults. Design: Systematic review in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Data sources: All available records up until 9 June 2017 in PubMed, Web of Science, SPORTDiscus, MEDLINE, Embase, CINAHL Plus, PsycINFO and Cochrane Library databases...
2018: BMJ Open Sport & Exercise Medicine
Andrew Mark Edwards, Lia Dutton-Challis, David Cottrell, Joshua H Guy, Florentina Johanna Hettinga
Objective: The positive effect of an audience on performance is anecdotally well known, but the impact of such social facilitation to both performance and the motivation to exercise have not been thoroughly explored. The aim of this study was therefore to investigate verbal encouragement as a means to promote positive behavioural adherence to exercise and augmented performance. Methods: Twelve untrained but active individuals (seven female), age 24±3 years participated in this study...
2018: BMJ Open Sport & Exercise Medicine
Gudmund Grønhaug
Objectives: To assess self-reported chronic injuries in climbing and possible connections with gender, experience and style of climbing. Method: Retrospective survey. Setting: Web-based questionnaire. Participants: 667 active climbers (385 with chronic injuries, 289 males and 96 females). Main outcome measure: Climbers who had experienced at least one chronic injury during the last 6 months. Result: About 2/3 of male outdoor climbers had experienced a chronic injury...
2018: BMJ Open Sport & Exercise Medicine
Ida Almenning Kiel, Kari Magrethe Lundgren, Siv Mørkved, Sigrun Beate Kjøtrød, Øyvind Salvesen, Liv Bente Romundstad, Trine Moholdt
Objectives: Overweight and obese women often seek assisted fertilisation. In the obese population, pregnancy rates are 30%-75% below that of normal weight women who undergo assisted fertilisation. We hypothesised that high-intensity interval training (HIT) would improve fertility by improving insulin sensitivity and thus affect the hypothalamic-pituitary-ovarian axis and ovarian androgen production. Our aim was to assess whether HIT prior to assisted fertilisation would increase pregnancy rate...
2018: BMJ Open Sport & Exercise Medicine
Victor Bengtsson, Lars Berglund, Ulrika Aasa
Pain and injuries are considered a common problem among elite athletes and recreational lifters performing the squat, bench press and deadlift. Since all three lifts engage multiple joints and expose the lifters' bodies to high physical demands often several times a week, it has been suggested that their injuries might be related to the excessively heavy loads, the large range of motion during the exercises, insufficient resting times between training sessions and/or faulty lifting technique. However, no previous article has summarised what is known about specific injuries and the injury aetiology associated with the three lifts...
2018: BMJ Open Sport & Exercise Medicine
Anastasia V Pavlova, Judith R Meakin, Kay Cooper, Rebecca J Barr, Richard M Aspden
Objective: Lifting postures are frequently implicated in back pain. We previously related responses to a static load with intrinsic spine shape, and here we investigate the role of lumbar spine shape in lifting kinematics. Methods: Thirty healthy adults (18-65 years) performed freestyle , stoop and squat lifts with a weighted box (6-15 kg, self-selected) while being recorded by Vicon motion capture. Internal spine shape was characterised using statistical shape modelling (SSM) from standing mid-sagittal MRIs...
2018: BMJ Open Sport & Exercise Medicine
Ben Ashworth, Patrick Hogben, Navraj Singh, Laura Tulloch, Daniel D Cohen
Objectives: Lower limb isometric tests are used to assess strength and strength asymmetries and monitor reductions in muscle force that may contribute to loss of performance and increase injury risk. Isometric tests in the upper body may be appropriate to monitor neuromuscular performance of the shoulder joint in sports involving contact and overhead actions. The aim of this study was to determine the reliability of a novel upper body isometric strength test. Methods: Eighteen elite rugby players (age 22...
2018: BMJ Open Sport & Exercise Medicine
Rachel Micay, Doug Richards, Michael G Hutchison
Objective: The utility of structured exercise for rehabilitation purposes early in the postacute phase (ie, beyond the initial 24-48 hours of advised rest) following sport-related concussion (SRC) remains largely unexplored. This study examined the feasibility of implementing a standardised aerobic exercise (AE) intervention in the postacute stage of SRC recovery in a sample of adolescent students with SRC compared with usual care. Methods: Symptomatic adolescents with SRC were randomised to one of two groups: Aerobic Exercise (n=8) or Usual Care (n=7)...
2018: BMJ Open Sport & Exercise Medicine
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