Simon Driver, Megan Reynolds, Katelyn Brown, Jakob L Vingren, David W Hill, Monica Bennett, Taylor Gilliland, Evan McShan, Librada Callender, Erin Reynolds, Nate Borunda, John Mosolf, Casey Cates, Alan Jones
OBJECTIVES: To (1) determine if wearing a cloth face mask significantly affected exercise performance and associated physiological responses, and (2) describe perceptual measures of effort and participants' experiences while wearing a face mask during a maximal treadmill test. METHODS: Randomised controlled trial of healthy adults aged 18-29 years. Participants completed two (with and without a cloth face mask) maximal cardiopulmonary exercise tests (CPETs) on a treadmill following the Bruce protocol...
April 13, 2021: British Journal of Sports Medicine
Silvia Gianola, Silvia Bargeri, Gabriele Del Castillo, Davide Corbetta, Andrea Turolla, Anita Andreano, Lorenzo Moja, Greta Castellini
OBJECTIVE: To assess the effectiveness of interventions for acute and subacute non-specific low back pain (NS-LBP) based on pain and disability outcomes. DESIGN: A systematic review of the literature with network meta-analysis. DATA SOURCES: Medline, Embase and CENTRAL databases were searched from inception until 17 October 2020. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Randomised clinical trials (RCTs) involving adults with NS-LBP who experienced pain for less than 6 weeks (acute) or between 6 and 12 weeks (subacute)...
April 13, 2021: British Journal of Sports Medicine
Jairo H Migueles, Eivind Aadland, Lars Bo Andersen, Jan Christian Brønd, Sebastien F Chastin, Bjørge H Hansen, Kenn Konstabel, Olav Martin Kvalheim, Duncan E McGregor, Alex V Rowlands, Séverine Sabia, Vincent T van Hees, Rosemary Walmsley, Francisco B Ortega
The inter-relationship between physical activity, sedentary behaviour and sleep (collectively defined as physical behaviours) is of interest to researchers from different fields. Each of these physical behaviours has been investigated in epidemiological studies, yet their codependency and interactions need to be further explored and accounted for in data analysis. Modern accelerometers capture continuous movement through the day, which presents the challenge of how to best use the richness of these data. In recent years, analytical approaches first applied in other scientific fields have been applied to physical behaviour epidemiology (eg, isotemporal substitution models, compositional data analysis, multivariate pattern analysis, functional data analysis and machine learning)...
April 12, 2021: British Journal of Sports Medicine
Francesco Della Villa, Martin Hägglund, Stefano Della Villa, Jan Ekstrand, Markus Waldén
BACKGROUND: Studies on subsequent anterior cruciate ligament (ACL) ruptures and career length in male professional football players after ACL reconstruction (ACLR) are scarce. AIM: To investigate the second ACL injury rate, potential predictors of second ACL injury and the career length after ACLR. STUDY DESIGN: Prospective cohort study. SETTING: Men's professional football. METHODS: 118 players with index ACL injury were tracked longitudinally for subsequent ACL injury and career length over 16...
April 12, 2021: British Journal of Sports Medicine
Tim Gabbett, Igor Sancho, Bart Dingenen, Richard W Willy
No abstract text is available yet for this article.
April 9, 2021: British Journal of Sports Medicine
Richard Weiler, Cheri Blauwet, David Clarke, Kristine Dalton, Wayne Derman, Kristina Fagher, Vincent Gouttebarge, James Kissick, Kenneth Lee, Jan Lexell, Peter Van de Vliet, Evert Verhagen, Nick Webborn, Osman Hassan Ahmed
Concussion is a frequent injury in many sports and is also common in para athletes. However, there is a paucity of concussion research related to para sport, and prior International Concussion in Sport (CIS) consensus papers have not substantively addressed this population. To remedy this and to improve concussion care provided to para athletes, the concussion in para sport (CIPS) multidisciplinary expert group was created. This group analysed and discussed in-depth para athlete-specific issues within the established key clinical domains of the current (2017) consensus statement on CIS...
April 9, 2021: British Journal of Sports Medicine
Adam M Mattiussi, Joseph W Shaw, Sean Williams, Phil Db Price, Derrick D Brown, Daniel D Cohen, Richard Clark, Shane Kelly, Greg Retter, Charles Pedlar, Jamie Tallent
OBJECTIVES: To describe the incidence rate, severity, burden and aetiology of medical attention and time-loss injuries across five consecutive seasons at a professional ballet company. METHODS: Medical attention injuries, time-loss injuries and dance exposure hours of 123 professional ballet dancers (women: n=66, age: 28.0±8.3 years; men: n=57, age: 27.9±8.5 years) were prospectively recorded between the 2015/2016 and 2019/2020 seasons. RESULTS: The incidence rate (per 1000 hours) of medical attention injury was 3...
April 9, 2021: British Journal of Sports Medicine
Jane S Thornton, Jon Patricios, Joanne Kemp, Lars Engebretsen, Jonathan Drezner
No abstract text is available yet for this article.
April 1, 2021: British Journal of Sports Medicine
Dylan Morrissey, Matthew Cotchett, Ahmed Said J'Bari, Trevor Prior, Ian B Griffiths, Michael Skovdal Rathleff, Halime Gulle, Bill Vicenzino, Christian J Barton
OBJECTIVE: To develop a best practice guide for managing people with plantar heel pain (PHP). METHODS: Mixed-methods design including systematic review, expert interviews and patient survey. DATA SOURCES: Medline, Embase, CINAHL, SPORTDiscus, Cochrane Central Register of Controlled Trials, trial registries, reference lists and citation tracking. Semi-structured interviews with world experts and a patient survey. ELIGIBILITY CRITERIA: Randomised controlled trials (RCTs) evaluating any intervention for people with PHP in any language were included subject to strict quality criteria...
March 30, 2021: British Journal of Sports Medicine
Peter T Katzmarzyk, Christine Friedenreich, Eric J Shiroma, I-Min Lee
OBJECTIVES: Physical inactivity is a risk factor for premature mortality and several non-communicable diseases. The purpose of this study was to estimate the global burden associated with physical inactivity, and to examine differences by country income and region. METHODS: Population-level, prevalence-based population attributable risks (PAR) were calculated for 168 countries to estimate how much disease could be averted if physical inactivity were eliminated. We calculated PARs (percentage of cases attributable to inactivity) for all-cause mortality, cardiovascular disease mortality and non-communicable diseases including coronary heart disease, stroke, hypertension, type 2 diabetes, dementia, depression and cancers of the bladder, breast, colon, endometrium, oesophagus, stomach and kidney...
March 29, 2021: British Journal of Sports Medicine
Valentina Di Pietro, Patrick O'Halloran, Callum N Watson, Ghazala Begum, Animesh Acharjee, Kamal M Yakoub, Conor Bentley, David J Davies, Paolo Iliceto, Gabriella Candilera, David K Menon, Matthew J Cross, Keith A Stokes, Simon Pt Kemp, Antonio Belli
OBJECTIVE: To investigate the role of salivary small non-coding RNAs (sncRNAs) in the diagnosis of sport-related concussion. METHODS: Saliva was obtained from male professional players in the top two tiers of England's elite rugby union competition across two seasons (2017-2019). Samples were collected preseason from 1028 players, and during standardised head injury assessments (HIAs) at three time points (in-game, post-game, and 36-48 hours post-game) from 156 of these...
March 23, 2021: British Journal of Sports Medicine
Martin Schwellnus, Nicola Sewry, Carolette Snyders, Kelly Kaulback, Paola Silvia Wood, Ishen Seocharan, Wayne Derman, James H Hull, Maarit Valtonen, Esme Jordaan
BACKGROUND: There are no data relating symptoms of an acute respiratory illness (ARI) in general, and COVID-19 specifically, to return to play (RTP). OBJECTIVE: To determine if ARI symptoms are associated with more prolonged RTP, and if days to RTP and symptoms (number, type, duration and severity) differ in athletes with COVID-19 versus athletes with other ARI. DESIGN: Cross-sectional descriptive study. SETTING: Online survey...
March 22, 2021: British Journal of Sports Medicine
Jon Patricios, Joanne Kemp, Jane S Thornton, Jonathan Drezner
No abstract text is available yet for this article.
March 22, 2021: British Journal of Sports Medicine
Dustin Nabhan, David Taylor, Jonathan T Finnoff
No abstract text is available yet for this article.
March 19, 2021: British Journal of Sports Medicine
Vincent Eggerding, Max Reijman, Duncan Edward Meuffels, Eline van Es, Ewoud van Arkel, Igor van den Brand, Joost van Linge, Jacco Zijl, Sita Ma Bierma-Zeinstra, Marc Koopmanschap
OBJECTIVES: To conduct a cost-utility analysis for two commonly used treatment strategies for patients after ACL rupture; early ACL reconstruction (index) versus rehabilitation plus an optional reconstruction in case of persistent instability (comparator). METHODS: Patients aged between 18 and 65 years of age with a recent ACL rupture (<2 months) were randomised between either an early ACL reconstruction (index) or a rehabilitation plus an optional reconstruction in case of persistent instability (comparator) after 3 months of rehabilitation...
March 18, 2021: British Journal of Sports Medicine
Jon Patricios, Nick Webborn
No abstract text is available yet for this article.
March 18, 2021: British Journal of Sports Medicine
Daniel J McDonough, Xiwen Su, Zan Gao
OBJECTIVE: To analyse the comparative effectiveness of different health wearable-based physical activity (PA) promotion intervention strategies against each other and control for reducing body weight and body mass index (BMI) in individuals with overweight/obesity and chronic comorbidities. DESIGN: Systematic review and network meta-analysis (PROSPERO identifier: CRD42020158191). DATA SOURCES: We performed two independent searches from December 2019 to September 2020 in PubMed, MEDLINE, Scopus, Web of Science, Central Register of Controlled Trials, EMBASE and PsycINFO databases for articles published in English between 2007 and 2020...
March 17, 2021: British Journal of Sports Medicine
Julian Alcazar, David Navarrete-Villanueva, Asier Mañas, Alba Gómez-Cabello, Raquel Pedrero-Chamizo, Luis M Alegre, Gerardo Villa, Narcís Gusi, Marcela González-Gross, Jose Antonio Casajús, German Vicente-Rodriguez, Ignacio Ara
OBJECTIVES: To assess the influence of muscle power and adiposity on all-cause mortality risk and to evaluate the 'fat but powerful' (F+P) (or 'fat but fit') paradox in older adults. METHODS: A total of 2563 older adults (65‒91 years old) from the EXERNET multicentre study were included. Adiposity (body mass index (BMI), waist circumference, body fat percentage (BF%) and fat index), allometric and relative power (sit-to-stand muscle power test) and various covariates (age, sex, hypertension, smoking status and walking and sitting times per day) were registered at baseline...
March 16, 2021: British Journal of Sports Medicine
Carolyn A Emery, Christopher Napier
No abstract text is available yet for this article.
March 15, 2021: British Journal of Sports Medicine
Joanne L Parsons, Stephanie E Coen, Sheree Bekker
BACKGROUND: The anterior cruciate ligament (ACL) injury rate for girls/women has not changed in over 20 years, and they remain 3-6 times more likely to experience injury compared with boys/men. To date, ACL injury prevention and management has been approached from a sex-based biological point of view which has furthered our understanding of injury risk factors, mechanisms, and prevention and rehabilitation programmes. However, the traditional sex-based approach does not take into account the growing recognition of how sex and gender (a social construct) are 'entangled' and influence each other...
March 10, 2021: British Journal of Sports Medicine
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