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    6023 results match your criteria British Journal of Sports Medicine [Journal]

    1 OF 121

    Head injury mechanisms in FIS World Cup alpine and freestyle skiers and snowboarders.
    Br J Sports Med 2017 Nov 13. Epub 2017 Nov 13.
    Oslo Sports Trauma Research Center, Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo, Norway.
    Introduction: Head injuries represent a concern in skiing and snowboarding, with traumatic brain injuries being the most common cause of death.

    Aim: To describe the mechanisms of head and face injuries among World Cup alpine and freestyle skiers and snowboarders.

    Methods: We performed a qualitative analysis of videos obtained of head and face injuries reported through the International Ski Federation Injury Surveillance System during 10 World Cup seasons (2006-2016). Read More

    Injuries in female and male elite taekwondo athletes: a 10-year prospective, epidemiological study of 1466 injuries sustained during 250 000 training hours.
    Br J Sports Med 2017 Nov 10. Epub 2017 Nov 10.
    Department of Special Education, Dankook University, Yongin, Gyeonggi-do, Republic of Korea.
    Objectives: We aimed to determine the injury patterns associated with training activities in elite South Korean taekwondo athletes training for the Olympic Games.

    Methods: We collected data prospectively from 2007 to 2016 at the Korea National Training Center in Seoul, South Korea. A sports injury was defined as acute or chronic musculoskeletal signs and symptoms due to taekwondo activities during training sessions. Read More

    Mortality and health-related habits in 900 Finnish former elite athletes and their brothers.
    Br J Sports Med 2017 Nov 10. Epub 2017 Nov 10.
    Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland.
    Background: There is conflicting evidence on the associations between participation in vigorous sports, health habits, familial factors and subsequent mortality. We investigated all-cause mortality and health-related behaviour among former elite athletes and their brothers.

    Methods: The mortality of Finnish male former elite athletes, who had represented Finland between 1920 and 1965 (n=900) and their age-matched brothers (n=900), was followed from the time when athlete started an elite athlete career until 31 December 2015. Read More

    Chronic inflammation is a feature of Achilles tendinopathy and rupture.
    Br J Sports Med 2017 Nov 8. Epub 2017 Nov 8.
    NDORMS, Botnar Research Centre, University of Oxford, Nuffield Orthopaedic Centre, Oxford, UK.
    Background: Recent investigation of human tissue and cells from positional tendons such as the rotator cuff has clarified the importance of inflammation in the development and progression of tendon disease. These mechanisms remain poorly understood in disease of energy-storing tendons such as the Achilles. Using tissue biopsies from patients, we investigated if inflammation is a feature of Achilles tendinopathy and rupture. Read More

    Evidence-based framework for a pathomechanical model of patellofemoral pain: 2017 patellofemoral pain consensus statement from the 4th International Patellofemoral Pain Research Retreat, Manchester, UK: part 3.
    Br J Sports Med 2017 Nov 6. Epub 2017 Nov 6.
    La Trobe Sport and Exercise Medicine Research Centre College of Science, Health and Engineering, La Trobe University, Bundoora, Victoria, Australia.

    Prevalence of knee pain, radiographic osteoarthritis and arthroplasty in retired professional footballers compared with men in the general population: a cross-sectional study.
    Br J Sports Med 2017 Nov 3. Epub 2017 Nov 3.
    Division of Rheumatology, Orthopaedics and Dermatology, School of Medicine, University of Nottingham, Nottingham City Hospital, Nottingham, UK.
    Objectives: To determine the prevalence of knee pain, radiographic knee osteoarthritis (RKOA), total knee replacement (TKR) and associated risk factors in male ex-professional footballers compared with men in the general population (comparison group).

    Methods: 1207 male ex-footballers and 4085 men in the general population in the UK were assessed by postal questionnaire. Current knee pain was defined as pain in or around the knees on most days of the previous month. Read More

    Muscle injury rate in professional football is higher in matches played within 5 days since the previous match: a 14-year prospective study with more than 130 000 match observations.
    Br J Sports Med 2017 Nov 3. Epub 2017 Nov 3.
    Division of Physiotherapy, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden.
    Background: The association between match congestion and injury rates in professional football has yielded conflicting results.

    Aim: To analyse associations between match congestion on an individual player level and injury rates during professional football matches.

    Methods: Data from a prospective cohort study of professional football with 133 170 match observations were analysed with Poisson regressions. Read More

    What domains of clinical function should be assessed after sport-related concussion? A systematic review.
    Br J Sports Med 2017 Jun;51(11):903-918
    Department of Neurology, University Hospital Zurich, Zurich, Switzerland.
    Background: Sport-related concussion (SRC) is a clinical diagnosis made after a sport-related head trauma. Inconsistency exists regarding appropriate methods for assessing SRC, which focus largely on symptom-scores, neurocognitive functioning and postural stability.

    Design: Systematic literature review. Read More

    What tests and measures should be added to the SCAT3 and related tests to improve their reliability, sensitivity and/or specificity in sideline concussion diagnosis? A systematic review.
    Br J Sports Med 2017 Jun;51(11):895-901
    The Florey Institute of Neuroscience and Mental Health, Heidelberg, Australia.
    Objectives: Several iterations of the Sport Concussion Assessment Tool (SCAT) have been published over the past 16 years. Our goal was to systematically review the literature related to the SCAT and provide recommendations for improving the tool. To achieve this goal, five separate but related searches were conducted and presented herein. Read More

    What is the definition of sports-related concussion: a systematic review.
    Br J Sports Med 2017 Jun;51(11):877-887
    Department of Neurology, University Hospital Zurich and University of Zurich, Zurich, Switzerland.
    Objectives: Various definitions for concussion have been proposed, each having its strengths and weaknesses. We reviewed and compared current definitions and identified criteria necessary for an operational definition of sports-related concussion (SRC) in preparation of the 5th Concussion Consensus Conference (Berlin, Germany). We also assessed the role of biomechanical studies in informing an operational definition of SRC. Read More

    Temporal trends in the cardiorespiratory fitness of children and adolescents representing 19 high-income and upper middle-income countries between 1981 and 2014.
    Br J Sports Med 2017 Oct 30. Epub 2017 Oct 30.
    Healthy Active Living and Obesity Research Group, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada.
    Objective: To estimate international and national temporal trends in the cardiorespiratory fitness (CRF) of children and adolescents and to examine relationships between temporal trends in CRF and temporal trends in broad socioeconomic and health-related indicators across countries.

    Methods: Data were obtained from a systematic search of studies that explicitly reported 20 m shuttle run test (a validated measure of CRF) descriptive data on apparently healthy individuals aged 9-17 years. Following the estimation of relative peak oxygen uptake (mL/kg/min) as a measure of CRF, sample-weighted temporal trends were estimated at the country-sex-age level using best-fitting linear or polynomial regression models relating the year of testing to mean CRF. Read More

    How can we implement exercise therapy for patellofemoral pain if we don't know what was prescribed? A systematic review.
    Br J Sports Med 2017 Oct 30. Epub 2017 Oct 30.
    La Trobe Sport and Exercise Medicine Research Centre, School of Allied Health, La Trobe University, Melbourne, Victoria, Australia.
    Objective: To evaluate the completeness of exercise prescription in randomised controlled trials (RCTs) for patellofemoral pain (PFP), identify which elements are most frequently missing and supplement recommendations based on additional data from authors.

    Design: Systematic review.

    Data Sources: All studies included in the most recent Cochrane review were evaluated. Read More

    Clinical implications from daily physiotherapy examination of 131 acute hamstring injuries and their association with running speed and rehabilitation progression.
    Br J Sports Med 2017 Oct 30. Epub 2017 Oct 30.
    Department of Rehabilitation, Aspetar Orthopaedic and Sports Medicine Hospital, Doha, Qatar.
    Aim: To investigate the association of daily clinical measures and the progression of rehabilitation and perceived running effort.

    Methods: A cohort of 131 athletes with an MRI-confirmed acute hamstring injury underwent a standardised criteria-based rehabilitation protocol. Descriptive and inferential statistics were used to investigate the association between daily clinical subjective and objective measures and both the progression of rehabilitation and perceived running effort. Read More

    Crash-test dummy and pendulum impact tests of ice hockey boards: greater displacement does not reduce impact.
    Br J Sports Med 2017 Oct 30. Epub 2017 Oct 30.
    Bfu-Swiss Council for Accident Prevention, Berne, Switzerland.
    Background: One injury mechanism in ice hockey is impact with the boards. We investigated whether more flexible hockey boards would provide less biomechanical loading on impact than did existing (reference) boards.

    Methods: We conducted impact tests with a dynamic pendulum (mass 60 kg) and with crash test dummies (ES-2 dummy, 4. Read More

    Connective tissue injury in calf muscle tears and return to play: MRI correlation.
    Br J Sports Med 2017 Oct 26. Epub 2017 Oct 26.
    Imaging @ Olympic Park, Melbourne, Victoria, Australia.
    Objective: The aim of our study was to assess a group of patients with calf muscle tears and evaluate the integrity of the connective tissue boundaries and interfaces. Further, we propose a novel MRI grading system based on integrity of the connective tissue and assess any correlation between the grading score and time to return to play. We have also reviewed the anatomy of the calf muscles. Read More

    Sport, sex and age increase risk of illness at the Rio 2016 Summer Paralympic Games: a prospective cohort study of 51 198 athlete days.
    Br J Sports Med 2017 Oct 26. Epub 2017 Oct 26.
    Department of Sports Medicine, Isala Klinieken, Zwolle, The Netherlands.
    Objective: To describe the epidemiology of illness at the Rio 2016 Summer Paralympic Games.

    Methods: A total of 3657 athletes from 78 countries, representing 83.5% of all athletes at the Games, were monitored on the web-based injury and illness surveillance system (WEB-IISS) over 51 198 athlete days during the Rio 2016 Summer Paralympic Games. Read More

    Epidemiology of imaging-detected bone stress injuries in athletes participating in the Rio de Janeiro 2016 Summer Olympics.
    Br J Sports Med 2017 Oct 26. Epub 2017 Oct 26.
    Department of Radiology, Quantitative Imaging Center, Boston University School of Medicine, Boston, Massachusetts, USA.
    Background: Bone stress injuries are common in high-level athletics.

    Aim: To describe the demographics, frequency and anatomical location of stress injuries (ie, stress reaction and stress fractures) in athletes at the Rio de Janeiro 2016 Summer Olympic Games.

    Methods: We recorded all sports injuries at the Rio de Janeiro 2016 Summer Olympics reported by the National Olympic Committee (NOC) medical teams and in the polyclinic and medical venues. Read More

    Effectiveness of school-based physical activity programmes on cardiorespiratory fitness in children: a meta-analysis of randomised controlled trials.
    Br J Sports Med 2017 Oct 26. Epub 2017 Oct 26.
    Social and Health Care Research Center, Universidad de Castilla-La Mancha, Cuenca, Spain.
    Objective: To conduct a meta-analysis of randomised controlled trials aimed at testing whether school-based physical activity programmes improve cardiorespiratory fitness (CRF) in children.

    Design: Systematic review with meta-analysis.

    Data Sources: Using keywords, we performed a computerised search in five databases: MEDLINE, EMBASE, CINAHL, Web of Science and SportDiscus. Read More

    Musculoskeletal injury profiles in professional Women's Tennis Association players.
    Br J Sports Med 2017 Oct 26. Epub 2017 Oct 26.
    Department of Physiotherapy, Monash University, Melbourne, Victoria, Australia.
    Objective: The physical demands of professional tennis combined with high training/match loads can contribute to musculoskeletal injury. The objectives of this study were to (1) describe the type, location and severity of injuries sustained during a 12-month tennis season in a cohort of professional female tennis players on the Women's Tennis Association (WTA) tour and (2) prospectively investigate associations between training/match loads and injury.

    Methods: 52 WTA players competing at the Australian Open (2015) consented to participate. Read More

    Prevalence of illness, poor mental health and sleep quality and low energy availability prior to the 2016 Summer Olympic Games.
    Br J Sports Med 2017 Oct 22. Epub 2017 Oct 22.
    Department of Physiotherapy, Australian Institute of Sport, Canberra, Australia.
    Objective: Establish the prevalence of illness symptoms, poor sleep quality, poor mental health symptoms, low energy availability and stress-recovery state in an Olympic cohort late in the 3 months prior to the Summer Olympic Games.

    Methods: Olympic athletes (n=317) from 11 sports were invited to complete questionnaires administered 3 months before the Rio 2016 Olympic Games. These questionnaires included the Depression, Anxiety and Stress Questionnaire, Perceived Stress Scale, Dispositional Resilience Scale, Recovery-Stress Questionnaire (REST-Q-52 item), Low Energy Availability in Females Questionnaire (LEAF-Q), Epworth Sleepiness Scale, Pittsburgh Sleep Quality Index and custom-made questionnaires on probiotic usage and travel. Read More

    Is there a correlation between coaches' leadership styles and injuries in elite football teams? A study of 36 elite teams in 17 countries.
    Br J Sports Med 2017 Oct 22. Epub 2017 Oct 22.
    Football Research Group, Linköping University, Linkoping, Sweden.
    Background: Do coaches' leadership styles affect injury rates and the availability of players in professional football? Certain types of leadership behaviour may cause stress and have a negative impact on players' health and well-being.

    Aim: To investigate the transformational leadership styles of head coaches in elite men's football and to evaluate the correlation between leadership styles, injury rates and players' availability.

    Methods: Medical staff from 36 elite football clubs in 17 European countries produced 77 reports at four postseason meetings with a view to assessing their perception of the type of leadership exhibited by the head coaches of their respective teams using the Global Transformational Leadership scale. Read More

    Effectiveness of foot orthoses for the prevention of lower limb overuse injuries in naval recruits: a randomised controlled trial.
    Br J Sports Med 2017 Oct 22. Epub 2017 Oct 22.
    Discipline of Podiatry, School of Allied Health, La Trobe University, Melbourne, Victoria, Australia.
    Objectives: To evaluate the effectiveness of prefabricated foot orthoses for the prevention of lower limb overuse injuries in naval recruits.

    Methods: This study was a participant-blinded and assessor-blinded, parallel-group randomised controlled trial. Three-hundred and six participants aged 17-50 years who undertook 11 weeks of initial defence training at the Royal Australian Navy Recruit School (Cerberus, Australia) were randomised to a control group (flat insoles, n=153) or an intervention group (contoured, prefabricated foot orthoses, n=153). Read More

    Efficacy of a movement control injury prevention programme in adult men's community rugby union: a cluster randomised controlled trial.
    Br J Sports Med 2017 Oct 21. Epub 2017 Oct 21.
    Department for Health, University of Bath, Bath, UK.
    Background: Exercise programmes aimed at reducing injury have been shown to be efficacious for some non-collision sports, but evidence in adult men's collision sports such as rugby union is lacking.

    Objective: To evaluate the efficacy of a movement control injury prevention exercise programme for reducing match injuries in adult men's community rugby union players.

    Methods: 856 clubs were invited to participate in this prospective cluster randomised (single-blind) controlled trial where clubs were the unit of randomisation. Read More

    Modelling the process of falling behind and its psychophysiological consequences.
    Br J Sports Med 2017 Oct 19. Epub 2017 Oct 19.
    Department of Human Biology, Division of Exercise Science & Sports Medicine, University of Cape Town, Newlands, South Africa.
    Introduction: A preceding article investigated the psychophysiological responses to falling behind a performance matched opponent. The following temporally linked cause-effect relationships were hypothesised: falling behind precedes deterioration in valence, deterioration in valence precedes development of an action crisis, experience of an action crisis precedes psychoneuroendocrinological distress response and non-adaptive distress response reduces conduciveness to high performance, thereby preceding performance decrement.

    Methods: In this article, we applied structural equation modelling to test the extent to which the observed data fit the hypothesised cause-effect relationships. Read More

    Epidemiology of injuries in juniors participating in top-level karate competition: a prospective cohort study.
    Br J Sports Med 2017 Oct 19. Epub 2017 Oct 19.
    Physical Education and Sports School, Universidade da Coruña, A Coruña, Spain.
    Background: Karate is a popular combat semi-contact sport among juniors, but there are only few studies available on the epidemiology of injuries in karate junior athletes.

    Aim: The aims of this study were to determine the incidence and pattern of injuries in top-level karate competition for athletes aged 16 to 20 years, and to compare injury rates between age groups (ie, under 18-year-old [U18] and under 21-year-old [U21]) and genders, following the introduction of new weight categories.

    Methods: A prospective injury surveillance was undertaken at four consecutive World Karate Championships (2009 to 2015), following the same protocols used in previous investigations. Read More

    Epidemiology of imaging-detected tendon abnormalities in athletes participating in the Rio de Janeiro 2016 Summer Olympics.
    Br J Sports Med 2017 Oct 19. Epub 2017 Oct 19.
    Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, Boston, Massachusetts, USA.
    Background: Tendon abnormalities are prevalent among both elite and non-elite athletes. Cross-sectional imaging modalities are used to confirm and evaluate the severity of such lesions.

    Aim: To describe the demographics, prevalence, anatomical location and characteristics of tendon abnormalities in athletes who participated in the Rio de Janeiro 2016 Summer Olympic Games. Read More

    How does academic achievement relate to cardiorespiratory fitness, self-reported physical activity and objectively reported physical activity: a systematic review in children and adolescents aged 6-18 years.
    Br J Sports Med 2017 Oct 14. Epub 2017 Oct 14.
    Centro Interdisciplinar de Estudo da Performance Humana, Faculdade de Motricidade Humana, Universidade de Lisboa, Lisboa, Portugal.
    Objective: This report aimed to systematically review the evidence for a differential association between objective and self-reported physical activity and cardiorespiratory fitness on academic achievement.

    Design: Systematic review.

    Data Sources: Studies were identified from searches in Embase, Education Resources Information Center, PubMed, PsycINFO, SPORTdiscus and Web of Science databases from January 2000 to December 2016. Read More

    Gymnastics injury incidence during the 2008, 2012 and 2016 Olympic Games: analysis of prospectively collected surveillance data from 963 registered gymnasts during Olympic Games.
    Br J Sports Med 2017 Oct 14. Epub 2017 Oct 14.
    Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo Sports Trauma Research Centre, Oslo, Norway.
    Objective: To determine the incidence and characteristics of injuries in female and male gymnastics disciplines (artistic, rhythmic and trampoline) during three Olympic Games with a view to ultimately improving injury prevention.

    Methods: The National Olympic Committee's head physicians and the medical teams of the Local Organising Committee of the Olympic Games reported daily the occurrence (or non-occurrence) of newly sustained injuries in artistic, rhythmic and trampoline gymnastics on a standardised report form during the 2008, 2012 and 2016 Summer Olympic Games.

    Results: During the three Olympic Games, 81 injuries were reported in a total of 963 registered gymnasts, corresponding to an incidence of 84 injuries (95% CI 67 to 102) per 1000 registered gymnasts, with no difference in injury incidence between female and male gymnasts. Read More

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