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    2147 results match your criteria Clinical Journal of Sport Medicine[Journal]

    1 OF 43

    Continuing Play, Symptom Severity, and Symptom Duration After Concussion in Youth Athletes.
    Clin J Sport Med 2018 Jan 15. Epub 2018 Jan 15.
    The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts.
    Objective: To determine whether continuing to play after a concussion is associated with higher symptom burden or prolonged symptom duration.

    Design: Patients who presented for care at a sport concussion clinic within the first 3 weeks of injury were asked whether they continued to play immediately after their injury.

    Setting: Sport concussion clinic within a regional tertiary care hospital. Read More

    Update on the Role of Actovegin in Musculoskeletal Medicine: A Review of the Past 10 Years.
    Clin J Sport Med 2018 Jan 15. Epub 2018 Jan 15.
    WelshBone, Cardiff University, Grantham and District Hospital.
    Background: Actovegin is a biological drug with a controversial history of use in the treatment of sports injuries during the past 60 years. Particular concerns have been raised about its ergogenic potential to enhance performance, but some of these have been based on little more than anecdote.

    Objectives: In this article, we review the most recent scientific evidence to determine the clinical efficacy, safety profile, and legal status of Actovegin. Read More

    Concussion Symptom Underreporting Among Incoming National Collegiate Athletic Association Division I College Athletes.
    Clin J Sport Med 2018 Jan 11. Epub 2018 Jan 11.
    Center of Alcohol Studies, Rutgers, The State University of New Jersey, New Brunswick, New Jersey.
    Objective: Accurate diagnosis of sport-related concussions relies heavily on truthful self-reporting of symptom severity. Previous studies have emphasized lack of knowledge as a factor in symptom nondisclosure. This study sought to examine concussion knowledge and the relationship of knowledge to reasons for symptom nondisclosure. Read More

    Return to Sport After Arthroscopic Autologous Matrix-Induced Chondrogenesis for Patients With Osteochondral Lesion of the Talus.
    Clin J Sport Med 2017 Dec 22. Epub 2017 Dec 22.
    IRCCS Istituto Ortopedico Galeazzi, C.A.S.C.O. - Foot and Ankle Unit, Milan, Italy.
    Objective: To determine the rate of return of patients to sport after arthroscopic autologous matrix-induced chondrogenesis (AT-AMIC) for outcomes 2 years after surgery.

    Design: Retrospective observational cross-sectional study.

    Setting: C. Read More

    Ability of Functional Performance Tests to Identify Individuals With Chronic Ankle Instability: A Systematic Review With Meta-Analysis.
    Clin J Sport Med 2017 Dec 22. Epub 2017 Dec 22.
    Department of Physical Therapy & Athletic Training, Northern Arizona University, Flagstaff, Arizona.
    Objective: The purpose of this systematic review with meta-analysis was to determine the effectiveness of functional performance tests (FPTs) in differentiating between individuals with chronic ankle instability (CAI) and healthy controls.

    Data Sources: The National Library of Medicine Catalog (PubMed), the Cumulative Index for Nursing and Allied Health Literature (CINAHL), and the SPORTDiscus, from inception to June 2017 were searched. Search terms consisted of: "Functional Performance Test*" OR "Dynamic Balance Test*" OR "Postural Stability Test*" OR "Star Excursion Balance Test*" OR "Hop Test*" AND "Ankle Instability" OR "Ankle Sprain. Read More

    Screening Tool to Determine Risk of Having Muscle Dysmorphia Symptoms in Men Who Engage in Weight Training at a Gym.
    Clin J Sport Med 2017 Dec 20. Epub 2017 Dec 20.
    Department of Pharmacology, Pediatrics and Organic Chemistry, Miguel Hernández University, Alicante, Spain.
    Objective: Although 2 screening tests exist for having a high risk of muscle dysmorphia (MD) symptoms, they both require a long time to apply. Accordingly, we proposed the construction, validation, and implementation of such a test in a mobile application using easy-to-measure factors associated with MD.

    Design: Cross-sectional observational study. Read More

    Spinal Cord Injury Impairs Cardiovascular Capacity in Elite Wheelchair Rugby Athletes.
    Clin J Sport Med 2017 Dec 19. Epub 2017 Dec 19.
    International Collaboration on Repair Discoveries (ICORD), Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada.
    Objective: To examine differences in heart rate (HR) responses during international wheelchair rugby competition between athletes with and without a cervical spinal cord injury (SCI) and across standardized sport classifications.

    Design: Observational study.

    Setting: The 2015 Parapan American Games wheelchair rugby competition. Read More

    Changes on Tendon Stiffness and Clinical Outcomes in Athletes Are Associated With Patellar Tendinopathy After Eccentric Exercise.
    Clin J Sport Med 2017 Dec 19. Epub 2017 Dec 19.
    Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong SAR, China.
    Objective: Eccentric exercise is commonly used as a form of loading exercise for individuals with patellar tendinopathy. This study investigated the change of mechanical properties and clinical outcomes and their interrelationships after a 12-week single-legged decline-board exercise with and without extracorporeal shockwave therapy (ESWT).

    Design: Randomized controlled trial. Read More

    Stress-Dosed Glucocorticoids and Mineralocorticoids Before Intensive Endurance Exercise in Primary Adrenal Insufficiency.
    Clin J Sport Med 2017 Dec 19. Epub 2017 Dec 19.
    Endocrinology and Metabolism, Wake Forest University, Winston-Salem, NC.
    Patients with primary adrenal insufficiency (PAI) require increased doses of glucocorticoids and mineralocorticoids during stressors, such as surgery, trauma, and sepsis. Although current guidelines exist for dose adjustments in these situations, there is no accepted dosing regimen for patients with PAI participating in intensive endurance exercise. Given the extensive physiologic stress of events, such as marathons, triathlons, and similar events, it is likely that a "stress-dose" of adrenal replacement therapy will not only prevent adrenal crisis, but also improve performance. Read More

    Is There Any Association Between Foot Posture and Lower Limb-Related Injuries in Professional Male Basketball Players? A Cross-Sectional Study.
    Clin J Sport Med 2017 Dec 19. Epub 2017 Dec 19.
    Physiotherapy, University of Malaga, Malaga, Spain.
    Background: Several studies have shown that foot posture is related to the incidence of ankle sprains in athletes and in nonathletic populations, but this association has not previously been considered in basketball players. This study investigates the relationship between foot posture and lower limb injuries in elite basketball players.

    Design And Method: Two hundred twenty participants were recruited as a convenience sample. Read More

    Safety and Prognostic Utility of Provocative Exercise Testing in Acutely Concussed Adolescents: A Randomized Trial.
    Clin J Sport Med 2018 Jan;28(1):13-20
    From the *UBMD Orthopaedics and Sports Medicine, SUNY Buffalo, Buffalo, New York;†Department of Biostatistics, SUNY Buffalo, Buffalo, New York;‡Excelsior Orthopedics and the Department of Family Medicine, SUNY Buffalo, Buffalo, New York;§Nuclear Medicine, SUNY Buffalo, Buffalo, New York;¶Department of Internal Medicine, SUNY Buffalo, Buffalo, New York; and‖Department of Psychiatry, SUNY Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York.
    Objective: To evaluate (1) systematic assessment of exercise tolerance in adolescents shortly after sport-related concussion (SRC) and (2) the prognostic utility of such assessment.

    Design: Prospective randomized controlled trial.

    Setting: University and community sports medicine centers. Read More

    Influence of Sex and Previous Concussion History on Postconcussive Recovery in Young Athletes.
    Clin J Sport Med 2017 Dec 14. Epub 2017 Dec 14.
    Levitetz Department of Orthopaedic Surgery, Cleveland Clinic Florida, Weston, Florida.
    Objective: To determine whether concussed female athletes with a previous history of concussion have longer postconcussive recovery than that of male counterparts.

    Design: Retrospective cohort study.

    Setting: Outpatient sports medicine clinic in an academic practice. Read More

    Defining the Process of a Cardiovascular Risk Assessment Program: Lessons Learnt From Cardiac Assessment of Elite Soccer Players in the United Kingdom.
    Clin J Sport Med 2017 Dec 14. Epub 2017 Dec 14.
    West Bromwich Albion F.C. Sports Medicine and Sports Science Department, West Bromwich, England.
    Objective: Retrospectively analyze the cardiac assessment process for elite soccer players, and provide team physicians with a systematic guide to managing longitudinal cardiac risk.

    Design: Descriptive Epidemiology Study.

    Setting: Cardiac assessments incorporating clinical examination, 12-lead ECG, echocardiography, and health questionnaire. Read More

    Return to Sport After Short-Stem Total Hip Arthroplasty.
    Clin J Sport Med 2017 Dec 18. Epub 2017 Dec 18.
    Department of Orthopaedics Ordensklinikum Linz, Teaching Hospital of the Paracelsus Medical University, Salzburg, Linz, Austria.
    Objectives: Information about sport activity after short-stem total hip arthroplasty (THA) is scarce in the literature. We therefore aimed to evaluate the rate of return to sport after short-stem THA.

    Methods: We evaluated the sport pattern, rate of return to sport, activity level, extent of sport activity, and subjective rating and sense of well-being in 137 patients (137 hips) after short-stem THA. Read More

    Impact of Clavicle Fractures on Return to Play and Performance Ratings in NFL Athletes.
    Clin J Sport Med 2017 Dec 1. Epub 2017 Dec 1.
    George Washington University School of Medicine and Health Sciences, Washington, DC.
    Objective: Clavicle fractures in the National Football League (NFL) have gained significant attention because of their impact on high profile athletes; however, little has been published on the overall impact of these injuries. This study sought to determine the time to return to play and quantitative impact on athletic performance after clavicle fractures in NFL athletes.

    Design: Retrospective Cohort Study; Level of evidence, 3. Read More

    Displaced Clavicle Fractures in Cyclists: Return to Athletic Activity After Anteroinferior Plate Fixation.
    Clin J Sport Med 2017 Dec 1. Epub 2017 Dec 1.
    Department of Surgery, Meander Medical Centre Amersfoort, Amersfoort, the Netherlands.
    Background: One of the most commonly observed injuries in cycling is fracture of the clavicle. Nevertheless, there is limited literature available on clinical outcomes after plate fixation of clavicle fractures in cyclists, rehabilitation protocols, and the time to return to sports.

    Purpose: The aim of this study was to evaluate the functional outcome, complications, and return to athletic activity at short-term follow-up after surgical repair. Read More

    Abduction in Proximal Hamstring Tendon Avulsion Injury Mechanism-A Report on 3 Athletes.
    Clin J Sport Med 2017 Dec 1. Epub 2017 Dec 1.
    Department of Orthopaedic Surgery, Academic Medical Center, University of Amsterdam, Amsterdam Movement Sciences, Amsterdam, the Netherlands.
    Proximal hamstring tendon avulsions are typically sustained during forced hip hyperflexion combined with knee extension. We present 3 cases of athletes with a proximal hamstring tendon avulsion caused by an alternative injury mechanism that also involves a considerable hip abduction component (flexion-abduction injury mechanism). All cases had at least one concurrent injury of the medial thigh muscles, either on the ipsilateral or contralateral side. Read More

    Zika Virus and the Rio Olympic Games.
    Clin J Sport Med 2017 Dec 1. Epub 2017 Dec 1.
    High Performance Sport NZ, Millenium Institute of Sport and Health, Mairangi Bay, Auckland, New Zealand.
    Objective: To evaluate the impact of Zika virus on preparation and management of the New Zealand (NZ) Olympic team.

    Design: Descriptive manuscript.

    Setting: New Zealand Olympic Health team preparation and management during the Rio de Janeiro Olympic Games, 2016. Read More

    Isometric Exercise to Reduce Pain in Patellar Tendinopathy In-Season; Is It Effective "on the Road?"
    Clin J Sport Med 2017 Nov 27. Epub 2017 Nov 27.
    The Australian Collaboration for Research in Injury and Its Prevention (ACRISP), La Trobe University, Bundoora VIC, Australia.
    Objective: To investigate the effectiveness of an isometric squat exercise using a portable belt, on patellar tendon pain and function, in athletes during their competitive season.

    Design: Case series with no requirements to change any aspect of games or training. The object of this pragmatic study was to investigate this intervention in addition to "usual management. Read More

    An Autologous Leukocyte-Reduced Platelet-Rich Plasma Therapy for Chronic Injury of the Medial Collateral Ligament in the Knee: A Report of 3 Successful Cases.
    Clin J Sport Med 2017 Nov 29. Epub 2017 Nov 29.
    Department of Orthopaedic Surgery, The Jikei University School of Medicine, Tokyo, Japan.
    Some patients complain of chronic persistent medial knee pain after isolated low-grade injuries of medial collateral ligaments (MCL). These injuries often respond to various conservative treatments but insufficient healing of ligaments is believed to be responsible for symptoms in this group of patients. We report on successful treatment of chronically symptomatic MCL injuries in 3 patients using autologous leukocyte-reduced platelet-rich plasma (PRP) injections. Read More

    Self-Reported Mild Traumatic Brain Injuries in Relation to Rumination and Depressive Symptoms: Moderating Role of Sex Differences and a Brain-Derived Neurotrophic Factor Gene Polymorphism.
    Clin J Sport Med 2017 Nov 21. Epub 2017 Nov 21.
    Department of Neuroscience, Carleton University, Ottawa, ON, Canada.
    Objective: Mild traumatic brain injuries (mTBIs) have frequently been associated with the emergence and persistence of depressive symptoms. However, the factors which contribute to the increased risk for depression after these head injuries remain unclear. Accordingly, we examined the relationship between frequency of self-reported mTBIs and current symptoms of depression and the mediating role of rumination and cognitive flexibility. Read More

    Gait Deviations Associated With Concussion: A Systematic Review.
    Clin J Sport Med 2017 Nov 21. Epub 2017 Nov 21.
    Department of Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, AB, Canada.
    Background: Gait deviations resulting from concussion are important to consider in the diagnosis, treatment progression, and return to activity after a concussion.

    Objective: To identify quantifiable gait deviations associated with concussion across populations and time since injury.

    Methods And Materials: Six electronic databases were systematically searched from January 1974 to September 2016. Read More

    The Diagnostic Accuracy of Ultrasound in Detecting Distal Radius Fractures in a Pediatric Population.
    Clin J Sport Med 2017 Nov 15. Epub 2017 Nov 15.
    Greenville Health System, Steadman Hawkins Clinic of the Carolinas, Greenville, South Carolina.
    Objective: Sports ultrasound (US) is becoming popular in diagnosing musculoskeletal injuries. This study, also called the Pediatric Distal Radius Ultrasound Study (PeDRUS), compared the diagnostic accuracy of sports US with plain radiographs in possible distal radius buckle fractures in pediatric population.

    Methods: In this prospective observational study, patients (2-15 years) presenting to an outpatient orthopedic injury clinic with distal forearm injuries without deformity were recruited. Read More

    Normative Data Set of SWAY Balance Mobile Assessment in Pediatric Athletes.
    Clin J Sport Med 2017 Nov 16. Epub 2017 Nov 16.
    Jefferson Comprehensive Concussion Center, Philadelphia, Pennsylvania.
    Objective: To examine and describe normative values for an objective, mobile measure of postural stability commonly used in concussion assessments, SWAY Balance (SWAY Medical, Tulsa, Oklahoma).

    Design: Retrospective analysis of baseline balance assessments in a healthy pediatric population.

    Setting: Baseline assessments completed by certified athletic trainers at an outpatient concussion center or sports medicine offices in Philadelphia, PA and surrounding suburban Pennsylvania and New Jersey or during an athletic trainer's baseline assessment of collegiate athletes at a National Collegiate Athletic Association (NCAA) Division-II University in Fort Lauderdale, FL. Read More

    Influence of Postconcussion Sleep Duration on Concussion Recovery in Collegiate Athletes.
    Clin J Sport Med 2017 Nov 16. Epub 2017 Nov 16.
    Department of Kinesiology, University of Georgia, Athens, Georgia.
    Objective: To determine whether decreased sleep duration postconcussion influences days to asymptomatic and assessment of performance throughout recovery.

    Design: Prospective.

    Setting: Institutional Clinical Research Laboratory. Read More

    A Prospective, Randomized, Controlled Trial Comparing Conservative Treatment With Trunk Stabilization Exercise to Standard Hip Muscle Exercise for Treating Femoroacetabular Impingement: A Pilot Study.
    Clin J Sport Med 2017 Nov 16. Epub 2017 Nov 16.
    Department of Orthopaedic Surgery, Wakamatsu Hospital, University of Occupational and Environmental Health, Kitakyushu, Japan.
    Objective: To assess the efficacy of conservative management of women with femoroacetabular impingement (FAI) using trunk stabilization.

    Design: Randomized controlled trial (level of evidence: I).

    Subjects: Twenty FAI female patients who met the inclusion FAI criteria. Read More

    Impact of CrossFit-Related Spinal Injuries.
    Clin J Sport Med 2017 Nov 16. Epub 2017 Nov 16.
    Orthopedic Surgery, Northwestern University, Feinberg School of Medicine, Chicago, Illinois.
    Introduction: Exercise-related injuries (ERIs) are a common cause of nonfatal emergency department and hospital visits. CrossFit is a high-intensity workout regimen whose popularity has grown rapidly. However, ERIs due to CrossFit remained under investigated. Read More

    Postexercise Hypotension as a Predictor for Long-Term Training-Induced Blood Pressure Reduction: A Large-Scale Randomized Controlled Trial.
    Clin J Sport Med 2017 Nov 16. Epub 2017 Nov 16.
    Institute of Sports and Preventive Medicine, Saarland University, Saarbrücken, Germany.
    Objective: To investigate the correlation between acute exercise effects and chronic training effects on blood pressure (BP).

    Design: Randomized, controlled training study focusing on the optimization of preventive effects of physical training.

    Setting: The study was performed in a university department. Read More

    History of High Motion Sickness Susceptibility Predicts Vestibular Dysfunction Following Sport/Recreation-Related Concussion.
    Clin J Sport Med 2017 Nov 20. Epub 2017 Nov 20.
    Department of Orthopaedic Surgery, UPMC Sports Medicine Concussion Program, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
    Objective: To compare vestibular dysfunction at 1 to 10 and 11 to 20 days following sport/recreation-related concussion (SRC) in athletes with and without history of motion sickness susceptibility. Secondary aims of this study were to investigate differences in neurocognitive performance and affective symptoms in these groups.

    Design: Cross-sectional. Read More

    Outcomes of Anterior Cruciate Ligament Reconstruction in Obese and Overweight Patients: A Systematic Review.
    Clin J Sport Med 2017 Nov 20. Epub 2017 Nov 20.
    Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, Maryland.
    Objective: To evaluate the mechanism of injury, outcomes, and complications of anterior cruciate ligament (ACL) reconstruction in overweight and obese patients.

    Data Sources: MEDLINE, EMBASE, and OVID electronic libraries were systematically searched from inception to December, 2017 for any eligible articles using a combination of the phrases "anterior cruciate ligament," "ACL," "overweight," "obese," and "BMI."

    Results: Studies that evaluated patients with primary ACL reconstruction, classified patients as overweight or obese, and reported a minimum of 1-year follow-up data were included. Read More

    Considerations in the Care of Athletes With Attention Deficit Hyperactivity Disorder.
    Clin J Sport Med 2017 Nov 20. Epub 2017 Nov 20.
    Department of Psychiatry and Psychology, Mayo Clinic, Jacksonville, Florida.
    Objectives: Uncover literature pertaining to: (1) attention deficit hyperactivity disorder (ADHD) and how it impacts athletes; (2) ADHD medication effects; (3) regulations regarding ADHD medications; (4) approaches to conditions similar to, and occurring with, ADHD; and (5) use of stimulants.

    Data Sources: MEDLINE, Embase, PsycINFO, Cochrane Database of Systematic Reviews, Ovid interface.

    Main Results: ADHD can have many effects on athletes and sports participation. Read More

    Effect of Long-Term Diving on the Morphology and Growth of the Distal Radial Epiphyseal Plate of Young Divers: A Magnetic Resonance Imaging Study.
    Clin J Sport Med 2017 Nov 13. Epub 2017 Nov 13.
    Department of Medical Imaging Center, The First Affiliated Hospital of Jinan University, Guangzhou, China.
    Objective: To investigate the effects of long-term diving on the morphology and growth of the distal radial epiphyseal plate in young divers.

    Study Design: Cohort study.

    Setting: Guangzhou Sport University. Read More

    Prevalence of Spondylolysis in Symptomatic Adolescent Athletes: An Assessment of Sport Risk in Nonelite Athletes.
    Clin J Sport Med 2017 Nov 14. Epub 2017 Nov 14.
    *Sports and Orthopedic Physical Therapy, Nationwide Children's Hospital, Columbus, Ohio; and †Division of Sports Medicine, Nationwide Children's Hospital, Columbus, Ohio.
    Objective: To assess the risk of spondylolysis by sport in nonelite adolescent athletes with low back pain (LBP).

    Design: Retrospective case series.

    Setting: Hospital-based sports medicine clinic. Read More

    Patient, Injury, Assessment, and Treatment Characteristics and Return-to-Play Timelines After Sport-Related Concussion: An Investigation from the Athletic Training Practice-Based Research Network.
    Clin J Sport Med 2017 Oct 25. Epub 2017 Oct 25.
    *Post-Professional Athletic Training Program, Arizona School of Health Sciences, A.T. Still University, Mesa, Arizona; †School of Osteopathic Medicine in Arizona, A.T. Still University, Mesa, Arizona; and ‡Professional Physical Therapy and Holy Trinity Diocesan High School, Garden City, New York.
    Objective: To describe the patient, injury, assessment and treatment characteristics, as well as return-to-play timelines and clinical findings at discharge for adolescent patients after sport-related concussion.

    Design: Retrospective analysis of electronic medical records.

    Setting: Athletic training facilities of secondary school members of the Athletic Training Practice-Based Research Network (AT-PBRN). Read More

    Effects of Intravenous Cold Saline on Hyperthermic Athletes Representative of Large Football Players and Small Endurance Runners.
    Clin J Sport Med 2017 Oct 27. Epub 2017 Oct 27.
    *Department of Sports Medicine, West Chester University, West Chester, Pennsylvania; †Department of Orthopedics, Columbia University Medical Center, New York, New York; ‡The Hill School, Pottstown, Pennsylvania; and §Delaware Orthopedics, Newark, Delaware.
    Objective: To evaluate the cooling effects of intravenous (IV) cold normal (0.9%) saline on hyperthermic athletes.

    Design: Randomized crossover study design. Read More

    Endoscopic Sciatic Nerve Decompression After Fracture or Reconstructive Surgery of the Acetabulum in Comparison With Endoscopic Treatments in Idiopathic Deep Gluteal Syndrome.
    Clin J Sport Med 2017 Oct 27. Epub 2017 Oct 27.
    *Department of Orthopedic Surgery, Chonbuk National University Hospital, Jeonju, South Korea; †Research Institute of Clinical Medicine, Chonbuk National University, Jeonju, South Korea; and ‡Biomedical Research Institute, Chonbuk National University Hospital, Jeonju, South Korea.
    Objective: The purpose of this study was to assess the endoscopic findings of the sciatic nerve and clinical outcomes of major traumatic sciatic nerve neuropathies after fracture or reconstructive surgery of the acetabulum with idiopathic deep gluteal syndrome (DGS) groups.

    Design: Retrospective review of patient reports.

    Setting: Level I trauma center of a tertiary university hospital. Read More

    Effect of E-Bike Versus Bike Commuting on Cardiorespiratory Fitness in Overweight Adults: A 4-Week Randomized Pilot Study.
    Clin J Sport Med 2017 Jun 29. Epub 2017 Jun 29.
    *Division of Sports and Exercise Medicine, Department of Sport, Exercise and Health, University of Basel, Basel, Switzerland;†Center for Healthcare Studies, Feinberg School of Medicine, Northwestern University, Chicago, Illinois;‡Center of Medical Physics and Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, China; and§Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, Basel, Switzerland.
    Objective: To assess if active commuting with an electrically assisted bicycle (e-bike) during a 4-week period can induce increases in cardiorespiratory fitness measured as peak oxygen uptake (V[Combining Dot Above]O2peak) in untrained, overweight individuals, and if these changes are comparable with those induced by a conventional bicycle.

    Design: Four-week randomized pilot study.

    Setting: Controlled laboratory. Read More

    Risk Factors for Prolonged Symptoms of Mild Traumatic Brain Injury: A Pediatric Sports Concussion Clinic Cohort.
    Clin J Sport Med 2017 Nov 13. Epub 2017 Nov 13.
    Department of Orthopaedic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin.
    Objective: To examine predictors of prolonged symptom duration from mild traumatic brain injury (mTBI) in a pediatric sports medicine specialty clinic cohort as these predictors may be distinct in this population.

    Design: Retrospective chart review.

    Setting: Outpatient specialty clinic. Read More

    Exploring Gaps in Concussion Knowledge and Knowledge Translation Among Coaches of Youth Female Hockey.
    Clin J Sport Med 2017 Oct 26. Epub 2017 Oct 26.
    *Department of Occupational Science and Occupational Therapy, University of Toronto, Toronto, ON, Canada; †Rehabilitation Science Institute, University of Toronto, Toronto, ON, Canada; and ‡Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, ON, Canada.
    Objective: To better understand the level of concussion knowledge of youth female hockey coaches and to identify preferred methods of knowledge translation for this population.

    Design: Cross-sectional survey.

    Setting: Participants independently completed written surveys before in-person concussion information sessions or online surveys through link provided in emails. Read More

    Neuroimaging in the Diagnosis of Chronic Traumatic Encephalopathy: A Systematic Review.
    Clin J Sport Med 2017 Oct 25. Epub 2017 Oct 25.
    *University of Bristol, Bristol, United Kingdom; and †University of Oxford, Oxford, United Kingdom.
    Objective: Chronic traumatic encephalopathy (CTE) is a neurodegenerative tauopathy associated with repeated subconcussive and concussive head injury. Clinical features include cognitive, behavioral, mood, and motor impairments. Definitive diagnosis is only possible at postmortem. Read More

    Vision and Vestibular System Dysfunction Predicts Prolonged Concussion Recovery in Children.
    Clin J Sport Med 2017 Oct 20. Epub 2017 Oct 20.
    *Division of Orthopaedics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; †Department of Pediatrics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; ‡Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, New York; and §Department of Biostatistics and Epidemiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
    Objective: Up to one-third of children with concussion have prolonged symptoms lasting beyond 4 weeks. Vision and vestibular dysfunction is common after concussion. It is unknown whether such dysfunction predicts prolonged recovery. Read More

    Association Between Previous Injury and Risk Factors for Future Injury in Preprofessional Ballet and Contemporary Dancers.
    Clin J Sport Med 2017 Oct 20. Epub 2017 Oct 20.
    *Sport Injury Prevention Research Centre, Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada; †Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; ‡Department of Physical Therapy, Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, AB, Canada; §Glen Sather Sports Medicine Clinic, University of Alberta, Edmonton, AB, Canada; and ¶Department of Pediatrics, Alberta Children's Hospital Research Institute for Child and Maternal Health, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
    Objectives: To determine the prevalence of self-reported 1-year injury history and examine its association with preparticipation evaluation components aimed at predicting future injury risk (PPE-IP) among preprofessional ballet and contemporary dancers.

    Design: Cross-sectional study.

    Setting: Preprofessional ballet school, university contemporary dance program. Read More

    Why Professional Football Players Chose Not to Reveal Their Concussion Symptoms During a Practice or Game.
    Clin J Sport Med 2018 Jan;28(1):1-12
    Mathematics and Statistics, McGill University, Montreal, QC, Canada.
    Objective: To determine why professional football players in Canada decided not to seek medical attention during a game or practice when they believed they had suffered a concussion.

    Design: Retrospective survey.

    Setting: Preseason Canadian Football League training camps. Read More

    "Recognize and Remove": A Universal Principle for the Management of Sports Injuries.
    Clin J Sport Med 2017 Oct 20. Epub 2017 Oct 20.
    Colin Fuller Consultancy Ltd, Sutton Bonington, United Kingdom.
    Objective: To identify the locations and types of injury that result in players not being immediately removed from the field of play when injured and to quantify the magnitude of the situation.

    Design: Prospective cohort epidemiological study with definitions and procedures compliant with the international consensus statement for studies in rugby.

    Setting: Sevens World Series (SWS) (2008-2016) and Rugby World Cup (RWC) (2007, 2011, 2015). Read More

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