1,239 results match your criteria BMJ open sport & exercise medicine[Journal]


Protocol of a randomised controlled trial assessing the impact of physical activity on bone health in children with inflammatory bowel disease.

BMJ Open 2020 May 18;10(5):e036400. Epub 2020 May 18.

Univ. Lille, Inserm, CHU Lille, U1286 - INFINITE - Institute for Translational Research in Inflammation, F-59000 Lille, France, Lille, France.

Introduction: Low bone mineral density (BMD) is a frequent issue in children and adolescents with inflammatory bowel disease (IBD). Several studies in healthy populations have reported a positive impact of physical activity (PA) on bone health. Recently, an observational study in paediatric patients with IBD showed a significant positive relationship between daily PA and BMD. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-036400DOI Listing

Exercise interventions for mental disorders in young people: a scoping review.

BMJ Open Sport Exerc Med 2020 4;6(1):e000678. Epub 2020 May 4.

Institute for Health and Sport, Victoria University, Melbourne, Victoria, Australia.

Aims: This scoping review determines the breadth and outcomes of controlled trials testing the effect of physical activity/exercise interventions across mental health outcomes in young people with a mental disorder.

Methods: The literature search was conducted using the open-access 'Evidence Finder', a comprehensive youth mental health-specific database that is systematically populated from MEDLINE, Embase, PsycINFO and Cochrane CENTRAL databases.

Results: Sixteen publications were identified after meeting the following eligibility criteria: (1) participants were young people (mean age 12-25. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000678DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7228557PMC

Effect of sports massage on performance and recovery: a systematic review and meta-analysis.

BMJ Open Sport Exerc Med 2020 7;6(1):e000614. Epub 2020 May 7.

Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, South Yorkshire, UK.

Objective: Massage is ubiquitous in elite sport and increasingly common at amateur level but the evidence base for this intervention has not been reviewed systematically. We therefore performed a systematic review and meta-analysis examining the effect of massage on measures of sporting performance and recovery.

Design And Eligibility: We searched PubMed, MEDLINE and Cochrane to identify randomised studies that tested the effect of manual massage on measures of sporting performance and/or recovery. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000614DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7228568PMC

Innovative equipment to monitor and control salt usage when cooking at home: iMC SALT research protocol for a randomised controlled trial.

BMJ Open 2020 May 17;10(5):e035898. Epub 2020 May 17.

Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal.

Introduction: Excessive salt intake is a public health concern due to its deleterious impact on health. Most of the salt consumed come from those that are added when cooking. This study will improve knowledge on the effectiveness of interventions to reduce salt consumption among consumers. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-035898DOI Listing

Place, poverty and prescriptions: a cross-sectional study using Area Deprivation Index to assess opioid use and drug-poisoning mortality in the USA from 2012 to 2017.

BMJ Open 2020 May 17;10(5):e035376. Epub 2020 May 17.

Division of Health Care Policy & Research, Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, USA.

Objective: To identify the relationships between county-level area deprivation and patterns of both opioid prescriptions and drug-poisoning mortality.

Design, Setting And Participants: For this retrospective cross-sectional study, we used the IQVIA Xponent data to capture opioid prescriptions and Centres for Disease Control and Prevention National Vital Statistics System to assess drug-poisoning mortality. The Area Deprivation Index (ADI) is a composite measure of social determinants of health comprised of 17 US census indicators, spanning four socioeconomic domains. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-035376DOI Listing

Patient-reported outcomes in paediatric cancer survivorship: a qualitative study to elicit the content from cancer survivors and caregivers.

BMJ Open 2020 May 17;10(5):e032414. Epub 2020 May 17.

Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, Tennessee, USA

Objectives: Content elucidation for patient-reported outcomes (PROs) in paediatric cancer survivorship is understudied. We aimed to compare differences in the contents of five PRO domains that are important to paediatric cancer survivorship through semistructured interviews with paediatric cancer survivors and caregivers, and identified new concepts that were not covered in the item banks of the Patient-Reported Outcomes Measurement Information System (PROMIS).

Design: Semistructured interviews to collect qualitative PRO data from survivors and caregivers. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-032414DOI Listing

Incidence of recreational snowboarding-related spinal injuries over an 11-year period at a ski resort in Niigata, Japan.

BMJ Open Sport Exerc Med 2020 5;6(1):e000742. Epub 2020 May 5.

Department of Internal Medicine, Niigata Prefectural Myoko Hopital, Myoko, Japan.

Background: There is limited knowledge regarding the incidence of recreational snowboarding-related spinal injuries.

Objective: This study investigated the incidence and characteristics of recent recreational snowboarding-related spinal injuries and discussed possible preventive measures to reduce the risk of spinal injuries.

Methods: This descriptive epidemiological study was conducted to investigate the incidence and characteristics of snowboarding-related spinal injuries at the Myoko ski resort in Niigata Prefecture, Japan, between 2006 and 2017. Read More

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http://dx.doi.org/10.1136/bmjsem-2020-000742DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7223356PMC

Is competitive body-building pathological? Survey of 984 male strength trainers.

BMJ Open Sport Exerc Med 2020 10;6(1):e000708. Epub 2020 May 10.

Department of Psychiatry, Harvard Medical School, Boston, Massachusetts, USA.

Objectives: Hundreds of thousands, if not millions, of individuals worldwide engage in competitive body-building. Body-building often attracts derogatory characterisations such as as 'bizarre' or 'narcissistic,' or a 'freak show', seemingly implying that it is associated with pathology. Few studies have compared psychological features in competitive bodybuilders versus recreational strength trainers. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000708DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7223260PMC

Consensus on the exercise and dosage variables of an exercise training programme for chronic non-specific neck pain: protocol for an international e-Delphi study.

BMJ Open 2020 May 15;10(5):e037656. Epub 2020 May 15.

Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK

Introduction: Clinical guidelines and systematic reviews recommend exercise in the management of chronic non-specific neck pain. Although exercise training programmes that consist of both motor control exercise and exercises for the superficial cervical muscles (segmental exercises) are effective, the exercise variables including dosage vary considerably across trials or are poorly reported. This study aims to gain expert consensus on these exercise variables so that they can be described clearly using intervention reporting checklists to inform clinical practice and future clinical trials. Read More

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http://dx.doi.org/10.1136/bmjopen-2020-037656DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7232615PMC

Diagnostic accuracy of clinical tests for cam or pincer morphology in individuals with suspected FAI syndrome: a systematic review.

BMJ Open Sport Exerc Med 2020 27;6(1):e000772. Epub 2020 Apr 27.

Physiotherapy, HES-SO Valais-Wallis, Leukerbad, Valais-Wallis, Switzerland.

Objectives: To determine the diagnostic accuracy of clinical tests for cam or pincer morphology in individuals with suspected femoroacetabular impingement (FAI) syndrome and to evaluate their clinical utility.

Design: A systematic review of studies investigating the diagnostic accuracy of clinical tests for cam and pincer morphology.

Data Sources: PubMed, Embase, CINAHL and SPORTDiscus. Read More

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http://dx.doi.org/10.1136/bmjsem-2020-000772DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7213881PMC

Effect of erythropoietin on athletic performance: a systematic review and meta-analysis.

BMJ Open Sport Exerc Med 2020 28;6(1):e000716. Epub 2020 Apr 28.

Ancaster Sports Medicine Centre, Ancaster, Ontario, Canada.

Introduction: Athletes have attempted to glean the ergogenic benefits of recombinant human erythropoietin (rHuEPO) since it became available in the 1980s. However, there is limited consensus in the literature regarding its true performance-enhancing effects. In fact, some studies suggest there is no conclusive evidence; therefore, it is necessary to evaluate and quantify the strength of the evidence. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000716DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7213874PMC

Phosphorus supplementation raised the heart rate of male water polo players during a randomised graded dryland exercise test.

BMJ Open Sport Exerc Med 2020 8;6(1):e000714. Epub 2020 Apr 8.

Department of Nutrition and Food Sciences, Faculty of Agricultural and Food Sciences, American University of Beirut, Beirut, Lebanon.

Objective: The impact of phosphorus supplementation on athletic performance is unclear. Ingestion of phosphorus for several days has been reported to increase cardiac capacity, improve oxygen muscle kinetics and enhance lactate buffering capacity. Recent studies have shown that phosphorus ingestion with a meal increases postprandial glucose uptake and thermogenesis. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000714DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7202719PMC

Role of the kinetic chain in shoulder rehabilitation: does incorporating the trunk and lower limb into shoulder exercise regimes influence shoulder muscle recruitment patterns? Systematic review of electromyography studies.

BMJ Open Sport Exerc Med 2020 22;6(1):e000683. Epub 2020 Apr 22.

Faculty of Health Psychology and Social Care, Manchester Metropolitan University, Didsbury, Manchester, UK.

Objective: To investigate the influence of trunk and lower limb motion on electromyography (EMG) muscle activity and recruitment patterns around the shoulder.

Design: Systematic review.

Data Sources: MEDLINE, CINAHL, PEDro, AMED, PubMed, Cochrane Central Register of Controlled trials, Cochrane Database of Systematic reviews, SportsDiscuss and PROSPERO. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000683DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7202723PMC

From barefoot hunter gathering to shod pavement pounding. Where to from here? A narrative review.

BMJ Open Sport Exerc Med 2020 21;6(1):e000577. Epub 2020 Apr 21.

Human Potential Centre, School of Sport and Recreation, Auckland University of Technology, Auckland, New Zealand.

Understanding the current prevalence and incidence of running injury from an evolutionary perspective has sparked great debate. Proponents of the evolutionary approach to understanding running injury suggest that humans ran using less injurious biomechanics prior to the invention of cushioned running shoes. Those who disagree with this view, point to the many runners, wearing cushioned running shoes, who do not get injured and suggest that the evolutionary approach is indulging in a 'natural fallacy'. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000577DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7202747PMC

Decreased arterial distensibility and postmeal hyperinsulinemia in young Japanese women with family history of diabetes.

BMJ Open Diabetes Res Care 2020 May;8(1)

Research Institute for Nutrition Sciences, Mukogawa Women's University, Nishinomiya, Japan.

Introduction: To assess vascular function and characterize insulin secretion using a physiological approach in Japanese women with family history of type 2 diabetes (FHD).

Research Design And Methods: Standardized mixed-meal tests were performed with multiple postprandial glucose, insulin and free fatty acids (FFA) measurements over a 30-120 min period in 31 Japanese women aged 21-24 years. Arterial distensibility was assessed as well. Read More

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http://dx.doi.org/10.1136/bmjdrc-2020-001244DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7228472PMC

Effectiveness of adult community-based physical activity interventions with objective physical activity measurements and long-term follow-up: a systematic review and meta-analysis.

BMJ Open 2020 May 5;10(5):e034541. Epub 2020 May 5.

Population Health Research Institute, St George's, University of London, London, UK

Objective: To identify randomised controlled trials (RCTs) of physical activity (PA) interventions with objective PA outcomes in adults and to evaluate whether intervention effects were sustained beyond 12 months.

Design: Systematic review and meta-analysis.

Data Sources: Seven databases (Medline, Embase, PsycINFO, Web of Science, Cochrane library, CINAHL (Cumulative Index of Nursing and Allied Health Literature) and ASSIA (Applied Social Sciences Index and Abstracts)) were searched from January 2000 until December 2019. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-034541DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7228538PMC

Is type of work associated with physical activity and sedentary behaviour in women with fibromyalgia? A cross-sectional study from the al-Ándalus project.

BMJ Open 2020 Apr 28;10(4):e034697. Epub 2020 Apr 28.

Department of Child and Adolescent Psychiatry/Psychology, Erasmus MC University Medical Center, Rotterdam, The Netherlands

Objectives: To analyse the association between the type of work (productive vs reproductive work) and the levels of physical activity and sedentary behaviour in women with fibromyalgia.

Method: This cross-sectional study involved 258 women with fibromyalgia from southern Spain. Of them, 55% performed reproductive work (unpaid, associated with caregiving and domestic roles) exclusively, while 45% had productive job (remunerated, that results in goods or services). Read More

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http://dx.doi.org/10.1136/bmjopen-2019-034697DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7213859PMC

Domain-specific physical activity patterns and cardiorespiratory fitness among the working population: Findings from the cross-sectional German Health Interview and Examination Survey.

BMJ Open 2020 Apr 27;10(4):e034610. Epub 2020 Apr 27.

State Institute of Health, Bavarian Health and Food Safety Authority, Bad Kissingen, Bayern, Germany.

Objectives: This study aimed to investigate associations between occupational physical activity patterns (physical work demands linked to job title) and leisure time physical activity (assessed by questionnaire) with cardiorespiratory fitness (assessed by exercise test) among men and women in the German working population.

Design: Population-based cross-sectional study.

Setting: Two-stage cluster-randomised general population sample selected from population registries of 180 nationally distributed sample points. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-034610DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7213860PMC

Document analysis of exertional heat illness policies and guidelines published by sports organisations in Victoria, Australia.

BMJ Open Sport Exerc Med 2020 1;6(1):e000591. Epub 2020 Apr 1.

School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia.

Objectives: To conduct a document and content analysis of exertional heat illness (EHI)-related documents published by sports organisations in Victoria, Australia, in order to determine their scope and evidence base against current international best practice recommendations.

Methods: A qualitative document and content analysis. Official documents relating to EHI were identified through a search of 22 Victorian sport organisation websites, supplemented by a general internet search. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000591DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173990PMC

Considerations for the development of extreme heat policies in sport and exercise.

BMJ Open Sport Exerc Med 2020 1;6(1):e000774. Epub 2020 Apr 1.

Thermal Ergonomics Laboratory, The University of Sydney, Sydney School of Health Sciences, Sydney, New South Wales, Australia.

We detail key considerations for the development of extreme heat policies in sport and exercise. Policies should account for the four environmental parameters (ambient temperature, humidity, air velocity, and mean radiant temperature) and two personal (activity and clothing) parameters that determine the prevailing thermoregulatory strain during exercise in the heat. Considerations for how to measure environmental stress and convey the level of risk are discussed. Read More

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http://dx.doi.org/10.1136/bmjsem-2020-000774DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173987PMC

Anterior cruciate ligament injuries in Australian football: should women and girls be playing? You're asking the wrong question.

BMJ Open Sport Exerc Med 2020 9;6(1):e000778. Epub 2020 Apr 9.

Centre for Sport Research, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Victoria, Australia.

Anterior cruciate ligament (ACL) injuries have been a rising concern in the early years of the women's Australian Football League (AFLW), eliciting headlines of a 'knee crisis' surrounding the league. There has been a focus on female biology as the primary factor driving the high rate of ACL injuries in the AFLW. Emphasising Australian football (AF) as being dangerous predominantly due to female biology may be misrepresenting a root cause of the ACL injury problem, perpetuating gender stereotypes that can restrict physical development and participation of women and girls in the sport. Read More

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http://dx.doi.org/10.1136/bmjsem-2020-000778DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173994PMC

Bicycling-related concussions leading to postconcussion syndrome in adults.

BMJ Open Sport Exerc Med 2020 30;6(1):e000746. Epub 2020 Mar 30.

Canadian Concussion Centre, Toronto Western Hospital, Toronto, Ontario, Canada.

Background: Concussions among adult bicyclists are common, but little is known about the long-term effects of the consequences of these concussions such as postconcussion syndrome (PCS) including its occurrence, clinical features and recovery potential. Indeed, our study is the first to examine PCS due to bicycling in any age group.

Objectives: We examined patient demographics, concussion mechanisms and persistent symptoms as factors leading to PCS in adults and the potential for recovery. Read More

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http://dx.doi.org/10.1136/bmjsem-2020-000746DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173986PMC

Game on: a cycling exergame can elicit moderate-to-vigorous intensity. A pilot study.

BMJ Open Sport Exerc Med 2020 30;6(1):e000744. Epub 2020 Mar 30.

Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway.

Objectives: The aims of this pilot study were to investigate oxygen uptake (V̇O) while playing a cycling exergame to assess exercise intensity to determine its potential as a feasible exercise alternative to improve aerobic fitness, and to assess the validity of using heart rate (HR) to estimate V̇O in exergaming.

Methods: Five males (age: 32±8; peak oxygen uptake (V̇O): 47.9±7. Read More

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http://dx.doi.org/10.1136/bmjsem-2020-000744DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173991PMC

Elite coaches have a similar prevalence of depressive symptoms to the general population and lower rates than elite athletes.

BMJ Open Sport Exerc Med 2020 29;6(1):e000719. Epub 2020 Mar 29.

Axis Sports Medicine Specialists, Auckland, New Zealand.

Objective: The primary aim of this study was to estimate the prevalence of depressive symptoms and life stress in elite coaches. The secondary aim was to explore the associations of depressive symptoms and life stress with demographic and lifestyle variables.

Methods: National-level coaches were invited to participate in an online survey. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000719DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173988PMC

Clinical reasoning framework for thoracic spine exercise prescription in sport: a systematic review and narrative synthesis.

BMJ Open Sport Exerc Med 2020 29;6(1):e000713. Epub 2020 Mar 29.

Centre of Precision Rehabiliation for Spinal Pain (CPR Spine), School of Sport, Exercise & Rehabilitation Sciences, University of Birmingham, Birmingham, West Midlands, UK.

Background: The thoracic spine is critical for athletic kinetic chain functioning yet widely overlooked in terms of specific evidenced-based exercise prescription. Thoracic mobility, motor control and strength are required to optimise performance in sport and minimise excessive load/stress on other components of the kinetic chain.

Objective: To identify and evaluate mobility, motor control, work capacity and strength thoracic exercises for use in athletes. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000713DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173996PMC

Staging achilles tendinopathy using ultrasound imaging: the development and investigation of a new ultrasound imaging criteria based on the continuum model of tendon pathology.

BMJ Open Sport Exerc Med 2020 25;6(1):e000699. Epub 2020 Mar 25.

Bond Institute of Health and Sport, Bond University Faculty of Health Sciences and Medicine, Gold Coast, Queensland, Australia.

Aim: To develop a standardised ultrasound imaging (USI)-based criteria for the diagnosis of tendinopathy that aligns with the continuum model of tendon pathology. Secondary aims were to assess both the intra-rater and inter-rater reliability of the criteria.

Methods: A criteria was developed following a face validity assessment and a total of 31 Achilles tendon ultrasound images were analysed. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000699DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173997PMC

Orthopaedic and brain injuries over last 10 seasons in the National Football League (NFL): number and effect on missed playing time.

BMJ Open Sport Exerc Med 2020 5;6(1):e000684. Epub 2020 Apr 5.

Department of Electrical & Computer Engineering, University of Houston, Houston, Texas, USA.

Objective: To examine trends in number and seriousness of major injuries in the National Football League (NFL) over seasons 2010-2019 and the effect of rule changes to injuries to the leg, back, arm and head.

Methods: We calculated, from publicly available weekly injury reports, the number of players that were injured and playing time missed, that is, the number of weeks on average that an injured player had to sit out, as a function of injury to a specific body part. Using classical time series analysis techniques, we fitted injury data with linear and non-linear functions. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000684DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173995PMC

Impact of physical exercise intervention and PPARγ genetic polymorphisms on cardio-metabolic parameters among a Chinese youth population.

BMJ Open Sport Exerc Med 2020 1;6(1):e000681. Epub 2020 Apr 1.

Center for Pathophysiology, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China.

Objective: Physical inactivity inChinese youth students particularly in senior high schools, who participate inthe National Higher Education Entrance Examination (NCEE) is very common. Inorder to explore the beneficial effects from physical exercise and education afterNCEE, we performed a hysicalexercise ntervention rogram in the outh (PiPy) to evaluate the interaction with genetic variants on cardiovascular and metabolicparameters.

Methods: A total of 772 freshmen (males 610/females162) from high schools to university were recruited into the PiPy cohort, which was designedaccording to the National Student Health Standards in China. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000681DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173993PMC

Integrated care programmes for sport and work participation, performance of physical activities and quality of life among orthopaedic surgery patients: a systematic review with meta-analysis.

BMJ Open Sport Exerc Med 2020 26;6(1):e000664. Epub 2020 Mar 26.

Amsterdam UMC, University of Amsterdam, Coronel Institute of Occupational Health, Amsterdam Public Health research institute, Amsterdam Movement Sciences research institute, Amsterdam, The Netherlands.

Objectives: Orthopaedic surgery is primarily aimed at improving function and pain reduction. Additional integrated care may enhance patient's participation in sports and work, possibly improving performance of physical activities and quality of life (QoL). We aimed to assess the effectiveness of integrated care among orthopaedic surgery patients. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000664DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173989PMC

Hypoxia is not the primary mechanism contributing to exercise-induced proteinuria.

BMJ Open Sport Exerc Med 2020 26;6(1):e000662. Epub 2020 Mar 26.

Birmingham Medical Research Expeditionary Society, University of Birmingham, Birmingham, UK.

Introduction: Proteinuria increases at altitude and with exercise, potentially as a result of hypoxia. Using urinary alpha-1 acid glycoprotein (α1-AGP) levels as a sensitive marker of proteinuria, we examined the impact of relative hypoxia due to high altitude and blood pressure-lowering medication on post-exercise proteinuria.

Methods: Twenty individuals were pair-matched for sex, age and ACE genotype. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000662DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7173992PMC

Mapping the digital food environment: a scoping review protocol.

BMJ Open 2020 Apr 22;10(4):e036241. Epub 2020 Apr 22.

Department of Public Health and Sport Sciences, Inland Norway University of Applied Sciences, Elverum, Norway.

Introduction: Food environments are the interface through which people interact with the broader food system. They are a key determinant of healthy and sustainable diets. The widespread use of digital technology in late modernity and the shift towards a digital society have posed new challenges for nutrition and health, with a concomitant surge in research on social media, digital health promotion interventions, and more recently, increasing interest in digital food marketing. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-036241DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7204828PMC

Glycemic responses to strenuous training in male professional cyclists with type 1 diabetes: a prospective observational study.

BMJ Open Diabetes Res Care 2020 Apr;8(1)

Applied Sports, Technology, Exercise and Medicine, Swansea University, Swansea, West Glamorgan, UK.

Introduction: This prospective observational study sought to establish the glycemic, physiological and dietary demands of strenuous exercise training as part of a 9-day performance camp in a professional cycling team with type 1 diabetes (T1D).

Research Design And Methods: Sixteen male professional cyclists with T1D on multiple daily injections (age: 27±4 years; duration of T1D: 11±5 years; body mass index: 22±2 kg/m; glycated hemoglobin: 7%±1% (50±6 mmol/mol); maximum rate of oxygen consumption: 73±4 mL/kg/min) performed road cycle sessions (50%-90% of the anaerobic threshold, duration 1-6 hours) over 9 consecutive days. Glycemic (Dexcom G6), nutrition and physiological data were collected throughout. Read More

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http://dx.doi.org/10.1136/bmjdrc-2020-001245DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7199179PMC

Effects of a traditional Chinese mind-body exercise, Baduanjin, on the physical and cognitive functions in the community of older adults with cognitive frailty: study protocol for a randomised controlled trial.

BMJ Open 2020 Apr 15;10(4):e034965. Epub 2020 Apr 15.

College of Nursing and Health Management, Shanghai University of Medicine & Health Sciences, Shanghai, China

Introduction: Cognitive frailty (CF) is a clinical manifestation characterised by the simultaneous presence of both physical frailty and cognitive impairment among older adults without dementia and has become a new target for healthy ageing. Increasing evidence shows that regular Baduanjin (a traditional Chinese mind-body exercise) training is beneficial in improving physical function and cognitive ability in the older adults. The primary aim of this trial is to observe the effect of Baduanjin on physical and cognitive functions in older adults with CF. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-034965DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7201298PMC

STEP.De study-a multicentre cluster-randomised effectiveness trial of exercise therapy for patients with depressive symptoms in healthcare services: study protocol.

BMJ Open 2020 Apr 14;10(4):e036287. Epub 2020 Apr 14.

Social and Preventive Medicine, Department Sport and Health Sciences, Faculty of Human Sciences, University of Potsdam, Potsdam, Brandenburg, Germany.

Introduction: Although exercise therapy has widely been shown to be an efficacious treatment modality for depression, evidence for its effectiveness and cost efficiency is lacking. The Sport/Exercise Therapy for Depression study is a multicentre cluster-randomised effectiveness trial that aims to compare the effectiveness and cost efficiency of exercise therapy and psychotherapy as antidepressant treatment.

Methods And Analysis: 480 patients (aged 18-65) with an International Classification of Diseases diagnosis associated with depressive symptoms are recruited. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-036287DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7200038PMC

Family-based habit intervention to promote parent support for child physical activity in Canada: protocol for a randomised trial.

BMJ Open 2020 Apr 14;10(4):e033732. Epub 2020 Apr 14.

Behavioural Medicine Laboratory, School of Exercise Science, Physical and Health Education, Faculty of Education, University of Victoria, Victoria, British Columbia, Canada.

Introduction: Regular physical activity (PA) participation has many important physical and psychological health benefits, managing and preventing over 25 chronic conditions. Being more physically active as a child is associated with being more active as an adult, but less than 10% of Canadian children are achieving the recommended PA guidelines of 60 minutes per day of moderate to vigorous PA. Parental support is a predictor of child PA, but parent intention to support child PA does not always predict enacted support. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-033732DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7200035PMC

Humeral shaft fracture and radial nerve palsy in Korean soldiers: focus on arm wrestling related injury.

BMJ Mil Health 2020 Apr 9. Epub 2020 Apr 9.

Department of Orthopaedic Surgery, Armed Forces Capital Hospital, Seongnam-si, Gyeonggi-do, Republic of Korea.

Introduction: Humeral shaft fractures can lead to radial nerve injury and may require surgery and rehabilitation. We determined the causative events of humeral fracture, including arm wrestling, in young Korean soldiers and examined whether humeral fracture is related to demographic characteristics and the presence of radial nerve palsy.

Methods: We reviewed 7. Read More

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http://dx.doi.org/10.1136/bmjmilitary-2019-001373DOI Listing

Understanding physical activity and sedentary behaviour among preschool-aged children in Singapore: a mixed-methods approach.

BMJ Open 2020 Apr 6;10(4):e030606. Epub 2020 Apr 6.

Saw Swee Hock School of Public Health, National University Singapore, Singapore

Objectives: This study investigated physical activity (PA) and sedentary behaviour (SB) among preschool-aged children in Singapore and potential correlates at multiple levels of the socioecological model from in-school and out-of-school settings.

Design: A cross-sectional study using a mixed-methods approach.

Participants: Parent-child dyads from six preschools in Singapore. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-030606DOI Listing

Outcome measures evaluating physical functioning and their measurement properties in adolescent idiopathic scoliosis: a protocol for a systematic review.

BMJ Open 2020 Apr 1;10(4):e034286. Epub 2020 Apr 1.

Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise & Rehabilitation Sciences, University of Birmingham, Birmingham, UK

Introduction: Physical functioning (PF) is the ability to carry out the physical activity of daily living. It is an important outcome that provides a meaningful evaluation of individuals' life. PF can be assessed using patient-reported outcome measures, performance-based outcome measures or body structure and function measure. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-034286DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7170637PMC

Mental health screening: severity and cut-off point sensitivity of the Athlete Psychological Strain Questionnaire in male and female elite athletes.

BMJ Open Sport Exerc Med 2020 18;6(1):e000712. Epub 2020 Mar 18.

Orygen, Parkville, Victoria, Australia.

Objectives: To examine the sensitivity/specificity of the Athlete Psychological Strain Questionnaire (APSQ) in both male and female elite athletes, and also assess internal consistency and convergent/divergent validity, and determine discriminative validity relative to current injury status.

Methods: Data were provided by 1093 elite athletes (males n=1007; females n=84). Scale validity and reliability values were benchmarked against validated measures of general psychological distress and well-being. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000712DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7101042PMC

Early repolarisation among athletes.

BMJ Open Sport Exerc Med 2020 18;6(1):e000694. Epub 2020 Mar 18.

Sports Medicine, Medisch Centrum Haaglanden, Leidschendam, Zuid-Holland, Netherlands.

Objectives: Traditionally, early repolarisation (ER) is considered a benign ECG variant, predominantly found in youths and athletes. However, a limited number of studies have reported an association between ER and the incidental occurrence of ventricular fibrillation or sudden cardiac death. Yet definite, direct comparisons of the incidence of ER in unselected, contemporary populations in athletes as compared with non-athletes and across different sports are lacking. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000694DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7101050PMC

Medical-attention injuries in community cricket: a systematic review.

BMJ Open Sport Exerc Med 2020 18;6(1):e000670. Epub 2020 Mar 18.

School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia.

Objectives: The aim was to identify and describe outcomes from original published studies that present the number, nature, mechanism and severity of medically treated injuries sustained in community-level cricket.

Design: Systematic review.

Methods: Nine databases were systematically searched to December 2019 using terms "cricket*" and "injur*". Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000670DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7101051PMC

Postsurgical rehabilitation for adults with low back pain with or without radiculopathy who were treated surgically: protocol for a mixed studies systematic review.

BMJ Open 2020 Mar 29;10(3):e036817. Epub 2020 Mar 29.

Faculty of Health Sciences, Ontario Tech University, Oshawa, Ontario, Canada.

Introduction: Surgical rates for low back pain (LBP) have been increasing in Europe, North America and Asia. Many patients treated surgically will require postsurgical rehabilitation. Little is known about the effectiveness of postsurgical rehabilitation interventions on health outcomes or about patients' experiences with these interventions. Read More

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http://dx.doi.org/10.1136/bmjopen-2020-036817DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7170616PMC
March 2020
2.063 Impact Factor

Hilly environment and physical activity among community-dwelling older adults in Japan: a cross-sectional study.

BMJ Open 2020 Mar 26;10(3):e033338. Epub 2020 Mar 26.

Center for Community-Based Healthcare Research and Education (CoHRE), Organization for Research and Academic Information, Shimane University, Izumo, Shimane, Japan.

Objectives: We investigated whether a moderate-to-vigorous physical activity (MVPA) level and walking time were associated with a hilly environment in rural Japanese older adults.

Design: Cross-sectional study.

Setting: Unnan city, Ohnan and Okinoshima towns in Shimane, Japan. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-033338DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7170569PMC

Community-based prehabilitation before elective major surgery: the PREP-WELL quality improvement project.

BMJ Open Qual 2020 Mar;9(1)

Department of Academic Anaesthesia, James Cook University Hospital, Middlesbrough, UK.

Optimising health and well-being before elective major surgery via prehabilitation initiatives is important for good postoperative outcomes. In a busy tertiary centre in North East England, the lack of a formal prehabilitation service meant that opportunities were being missed to optimise patients for surgery. This quality improvement project aimed to implement and evaluate a community-based prehabilitation service for people awaiting elective major surgery: PREP-WELL. Read More

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http://dx.doi.org/10.1136/bmjoq-2019-000898DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7206908PMC

Built environment changes and active transport to school among adolescents: BEATS Natural Experiment Study protocol.

BMJ Open 2020 Mar 25;10(3):e034899. Epub 2020 Mar 25.

Faculty of Kinesiology, Sport and Recreation, University of Alberta, Alberta, Edmonton, Canada.

Introduction: Natural experiments are considered a priority for examining causal associations between the built environment (BE) and physical activity (PA) because the randomised controlled trial design is rarely feasible. Few natural experiments have examined the effects of walking and cycling infrastructure on PA and active transport in adults, and none have examined the effects of such changes on PA and active transport to school among adolescents. We conducted the Built Environment and Active Transport to School (BEATS) Study in Dunedin city, New Zealand, in 2014-2017. Read More

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http://dx.doi.org/10.1136/bmjopen-2019-034899DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7170613PMC

Spotlight on the fetus: how physical activity during pregnancy influences fetal health: a narrative review.

BMJ Open Sport Exerc Med 2020 16;6(1):e000658. Epub 2020 Mar 16.

Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen/fMEG Center, Tübingen, Germany.

Before and during pregnancy, women often aim to improve their lifestyle so as to provide a healthier environment for their developing child. It remains unresolved, however, as to whether physical activity (PA) during pregnancy poses a possible risk or whether it might even have beneficial effects on the developing child. There is increasing evidence that PA during pregnancy is indeed beneficial to maternal physiological and psychological health and that it is generally not detrimental to the fetal cardiovascular system and neuronal function in the developing child. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000658DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7078670PMC

Mortality of Japanese Olympic athletes: 1952-2017 cohort study.

BMJ Open Sport Exerc Med 2019 13;5(1):e000653. Epub 2019 Nov 13.

Department of Social Medicine, Osaka University, Suita, Japan.

Aim: To evaluate mortality among Japanese Olympic athletes compared with the general population and also evaluate their mortality based on total number of Olympics participation and intensity of sports disciplines.

Methods: Information on biography, vital status, date of birth, date of death and latest follow-up date on Japanese Olympians was retrieved from six online databases and compared. Standardised mortality ratio (SMR) was estimated according to observation periods and years from last participation in the Olympics. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000653DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7078660PMC
November 2019

Biathlon Injury and Illness Surveillance project (BIIS): development of biathlon-specific surveillance forms in English, Russian, French and German.

BMJ Open Sport Exerc Med 2019 13;5(1):e000588. Epub 2019 Nov 13.

School of Health Science, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Victoria, Australia.

Objective: The aim of this project was to adapt the English, French, German and Russian versions of the International Olympic Committee () to be sport-specific for use in biathlon.

Methods: 23 medical representatives from 16 of the 55 biathlon federations participated in this project to adapt the form and create disease coding relevant to biathlon. The English version of the was used as the primary template. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000588DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7078675PMC
November 2019

Participation in structured diabetes mellitus self-management education program and association with lifestyle behavior: results from a population-based study.

BMJ Open Diabetes Res Care 2020 Mar;8(1)

Institute of Medical Sociology, Martin-Luther-Universitat Halle-Wittenberg, Halle, Germany.

Objective: Whether participation in structured diabetes self-management education programs (DSME) for participants with diabetes mellitus is associated with a healthy lifestyle in routine care apart from randomized-controlled studies remains unclear and is this studies' research question.

Research Design And Methods: We identified 1300 persons with diabetes mellitus drawn from the cross-sectional population-based analysis German Health Update 2014/2015 (GEDA 2014/2015), which integrated the modules of the European Health Interview Survey (EHIS) wave 2. Of those, 816 were ever-DSME participants and 484 never-participants. Read More

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http://dx.doi.org/10.1136/bmjdrc-2019-001066DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7206925PMC

Impact of the distance from the chest wall to the heart on surface ECG voltage in athletes.

BMJ Open Sport Exerc Med 2020 8;6(1):e000696. Epub 2020 Mar 8.

Department of Medicine, Stanford Cardiovascular Institute, Stanford University, Stanford, California, USA.

Objective: Available ECG criteria for detection of left ventricular (LV) hypertrophy have been reported to have limited diagnostic capability. Our goal was to describe how the distance between the chest wall and the left ventricle determined by echocardiography affected the relationship between ECG voltage and LV mass (LVM) in athletes.

Methods: We retrospectively evaluated digitised ECG data from college athletes undergoing routine echocardiography as part of their preparticipation evaluation. Read More

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http://dx.doi.org/10.1136/bmjsem-2019-000696DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7061894PMC