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    2112 results match your criteria Clinical Journal of Sport Medicine[Journal]

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    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 Oct 26. Epub 2017 Oct 26.
    *Department of Orthopaedic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin; †Children's Hospital of Wisconsin, Milwaukee, Wisconsin; Departments of ‡Neurosurgery and Neurology, Medical College of Wisconsin, Milwaukee, Wisconsin; and §Institute for Health and Society, 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 2017 Oct 20. Epub 2017 Oct 20.
    *McGill Sport Medicine Clinic, Montreal, QC, Canada; †Department of Emergency Medicine, McGill University Health Centre, Montreal, QC, Canada; and Departments of ‡Kinesiology and Physical Education; and §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

    Head Impact Exposure in Youth Soccer and Variation by Age and Sex.
    Clin J Sport Med 2017 Oct 20. Epub 2017 Oct 20.
    *Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, Washington; †Department of Pediatrics, University of Washington, Seattle, Washington; and ‡Harborview Injury Prevention and Research Center, Seattle, Washington.
    Objective: To examine variation in head impact exposure (HIE) by age and sex in youth soccer.

    Design: Prospective cohort study.

    Setting And Participants: Youth soccer athletes (11-14 years old) in local clubs. Read More

    Physiotherapist-Led Physical Activity Interventions Are Efficacious at Increasing Physical Activity Levels: A Systematic Review and Meta-analysis.
    Clin J Sport Med 2017 Oct 20. Epub 2017 Oct 20.
    *Australian Collaboration for Research into Injury in Sport and its Prevention (ACRISP), Federation University Australia, Ballarat, Victoria, Australia; †La Trobe Sports and Exercise Medicine Research Centre, School of Allied Health, La Trobe University, Melbourne, Victoria, Australia; ‡Department of Physiotherapy, Faculty of Health, University of Canberra, Canberra, ACT, Australia; §School of Psychology and Public Health, La Trobe University, Melbourne, Victoria, Australia; and ¶University of Canberra Research Institute for Sport and Exercise (UC-RISE), University of Canberra, Canberra, ACT, Australia.
    Objective: Physical activity (PA) interventions to address noncommunicable disease (NCD) risk are commonly delivered in private practice and outpatient physiotherapy settings. This study reviewed the efficacy of physiotherapist-led physical activity (PLPA) interventions at improving PA levels.

    Data Sources: Twelve databases were searched using terms related to both physiotherapy and PA. Read More

    "It Doesn't Make Sense for Us Not to Have One"-Understanding Reasons Why Community Sports Organizations Chose to Participate in a Funded Automated External Defibrillator Program.
    Clin J Sport Med 2017 Oct 10. Epub 2017 Oct 10.
    *Australian Centre for Research into Injury in Sport and its Prevention, Federation University Australia, Ballarat, Australia; and †Federation Business School, Federation University Australia, Gippsland, Australia.
    Objective: Implementation of automated external defibrillators (AEDs) in community sports settings is an important component of emergency medical planning. This study aimed to understand motivations for why sports organizations participated in a government-funded program that provided AEDs and associated first-aid training.

    Design: Face-to-face interviews. Read More

    Helmet Use and Risk-Taking Behavior Among Skiers and Snowboarders.
    Clin J Sport Med 2017 Oct 10. Epub 2017 Oct 10.
    Division of Physical Medicine & Rehabilitation, University of Utah, Salt Lake City, Utah.
    Objective: To characterize factors associated with helmet use and risk-taking behavior among recreational skiers and snowboarders.

    Design: Observational study.

    Setting: Large, western United States mountain resort. Read More

    Low-Intensity Pulsed Ultrasound for Early-Stage Lumbar Spondylolysis in Young Athletes.
    Clin J Sport Med 2017 Oct 10. Epub 2017 Oct 10.
    Departments of *Rehabilitation; and †Orthopedic Surgery, Takiuchi Orthopedic and Sports Clinic, Sapporo, Japan; and ‡Department of Physical Therapy, Sapporo Medical University School of Health Sciences, Sapporo, Japan.
    Objective: To examine the effect of low-intensity pulsed ultrasound (LIPUS) on early-stage spondylolysis in young athletes.

    Design: Case-control study.

    Setting: A single outpatient orthopedic and sports clinic. Read More

    Long-Term Outcome of Mini-Open Surgical Decompression for Chronic Exertional Compartment Syndrome of the Forearm in Professional Motorcycling Riders.
    Clin J Sport Med 2017 Oct 10. Epub 2017 Oct 10.
    *Villa Serena-Villa Igea Hospital, Forlì, Italy; †Clinica Mobile nel Mondo, World Motorbike Championships (MotoGP & WSBK) Medical Division, Parma, Italy; ‡Orthopaedic Clinic, Department of Medicine and Surgery, University Hospital of Parma, Parma, Italy; §Sports Medicine Unit, Public Health Department of Parma, Parma, Italy; and ¶Curriculum of Sport Sciences and Physical Exercise, Department of Medicine and Surgery, University of Parma, Parma, Italy.
    Objective: To evaluate results of mini-open fasciotomy (MOF) in high-level motorcycling or motocross riders with chronic exertional compartment syndrome (CECS) at long-term follow-up (minimum 5 years).

    Design: Case series.

    Level Of Evidence: IV. Read More

    QT Corrections for Long QT Risk Assessment: Implications for the Preparticipation Examination.
    Clin J Sport Med 2017 Oct 10. Epub 2017 Oct 10.
    *Cardiac Insight Inc, Seattle, Washington; †Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, California; ‡Division of General Medicine, Stanford University School of Medicine, Stanford, California; and §Department of Family Medicine, University of Washington, Seattle, Washington.
    Background: Because sudden cardiac death (SCD) in the young mainly occur in individuals with structurally normal hearts, improved screening techniques for detecting inherited arrhythmic diseases are needed. The QT interval is an important screening measurement; however, the criteria for detecting an abnormal QT interval are based on Bazett formula and older populations.

    Objective: To define the normal upper limits for QT interval from the electrocardiograms (ECGs) of healthy young individuals, compare the major correction formula and propose new QT interval thresholds for detecting those at risk of SCD. Read More

    Risk Factors for Lower-Extremity Injuries Among Contemporary Dance Students.
    Clin J Sport Med 2017 Oct 10. Epub 2017 Oct 10.
    *Codarts, University of the Arts, Rotterdam, the Netherlands; †Department of General Practice, Erasmus MC University Medical Center, Rotterdam, the Netherlands; and ‡Amsterdam University of Applied Sciences, Centre for Applied Research in Sports and Nutrition, Amsterdam, the Netherlands.
    Objective: To determine whether student characteristics, lower-extremity kinematics, and strength are risk factors for sustaining lower-extremity injuries in preprofessional contemporary dancers.

    Design: Prospective cohort study.

    Setting: Codarts University of the Arts. Read More

    Injury Pattern in Icelandic Elite Male Handball Players.
    Clin J Sport Med 2017 Oct 10. Epub 2017 Oct 10.
    *Research Centre of Movement Science, Department of Physiotherapy, School of Health Sciences, University of Iceland, Reykjavik, Iceland; †Orkuhusid, Physiotherapy and Medical Centre, Reykjavik, Iceland; and ‡Gáski Physiotherapy, Reykjavik, Iceland.
    Objective: To examine the incidence, type, location, and severity of injuries in Icelandic elite male handball players and compare across factors like physical characteristics and playing position.

    Design: Prospective cohort study.

    Setting: The latter part of the preseason and the competitive season of Icelandic male handball. Read More

    Comparison of the Effect of 5 Different Treatment Options for Managing Patellar Tendinopathy: A Secondary Analysis.
    Clin J Sport Med 2017 Oct 10. Epub 2017 Oct 10.
    *Center for Sports Medicine, University Medical Center Groningen, Groningen, the Netherlands; and †Department of Sports Medicine, Martini ziekenhuis Groningen, Groningen, the Netherlands.
    Objective: Currently, no treatments exist for patellar tendinopathy (PT) that guarantee quick and full recovery. Our objective was to assess which treatment option provides the best chance of clinical improvement and to assess the influence of patient and injury characteristics on the clinical effect of these treatments.

    Design: A secondary analysis was performed on the combined databases of 3 previously performed double-blind randomized controlled trials. Read More

    Clinical Utility of Oculomotor and Electrophysiological Measures in Identifying Concussion History.
    Clin J Sport Med 2017 Oct 10. Epub 2017 Oct 10.
    *Department of Psychology, University of Nebraska-Lincoln, Lincoln, Nebraska; †Center for Brain, Biology, and Behavior, University of Nebraska-Lincoln, Lincoln, Nebraska; ‡Department of Psychology, Baldwin Wallace University, Berea, Ohio; §Department of Special Education and Communication Disorders, University of Nebraska-Lincoln, Lincoln, Nebraska; and ‖Cleveland Clinic, Head and Neck Institute, Cleveland, Ohio.
    Objective: To examine whether oculomotor and electrophysiological measures improve the clinical performance of the typical concussion protocol for classifying collegiate athletes with a history of concussion.

    Design: Cross-sectional.

    Setting: University Athletic Medicine and Research Facility. Read More

    Incidence of Symptomatic Pulmonary Embolus and Deep Vein Thrombosis After Knee Arthroscopy in the Pediatric and Adolescent Population.
    Clin J Sport Med 2017 Oct 10. Epub 2017 Oct 10.
    *Division of Shoulder and Sports Medicine Surgery, Department of Orthopaedic Surgery, University of California San Francisco Medical Center, San Francisco, California; and †Department of Pediatric Orthopaedics, University of California San Francisco Medical Center, Children's Hospital of Oakland, Oakland, California.
    Objective: The incidence of deep venous thrombosis (DVT) and pulmonary embolism (PE) after pediatric knee arthroscopy is unknown. The purpose of this study was to determine the incidence of venous thromboembolism (VTE) after knee arthroscopy in the pediatric and adolescent population in a high-volume center.

    Design: Retrospective cohort study. Read More

    Effect of a Commercially Available Footwear Insole on Biomechanical Variables Associated With Common Running Injuries.
    Clin J Sport Med 2017 Oct 10. Epub 2017 Oct 10.
    *Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; †Biomedical Engineering Program, Schulich School of Engineering, University of Calgary, Calgary, AB, Canada; and ‡Human Performance Laboratory, Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada.
    Objective: To determine whether Dr. Scholl's Active Series (DSAS) footwear insoles alter biomechanical variables associated with running injuries.

    Design: Randomized, controlled experiment. Read More

    Use of Blood Biomarkers in the Assessment of Sports-Related Concussion-A Systematic Review in the Context of Their Biological Significance.
    Clin J Sport Med 2017 Oct 12. Epub 2017 Oct 12.
    *School of Medicine, Trinity College, Dublin, Ireland; †Leinster Rugby, Dublin, Ireland; ‡Department of Physiology, Trinity Biomedical Sciences Institute, Trinity College, Dublin, Ireland; §John Stearne Medical Library, Trinity College, Dublin, Ireland; ¶Turku Centre for Biotechnology, University of Turku and Åbo Akademi University, Turku, Finland and School of Medical Sciences, Örebro University, Örebro, Sweden; and ‖Flocel, Inc. and Case Western Reserve University, Cleveland, Ohio.
    Objectives: To critically review current knowledge on the positive and negative predictive value of blood biomarkers for concussion; to illustrate the clinical and biological contexts that help evaluate the use of these markers in sport-related traumatic brain injuries (TBIs).

    Methods: This systematic review was performed in accordance with PRISMA guidelines. We reviewed the measurement, clinical utility, endpoint, and biological significance of blood biomarkers in concussion. Read More

    Long-Term Safety of Using Local Anesthetic Injections in Professional Rugby League for Modified Indications.
    Clin J Sport Med 2017 Oct 5. Epub 2017 Oct 5.
    *Sydney Medical School, University of Sydney, Sydney, Australia; †School of Public Health, University of Sydney, Sydney, Australia; ‡Sports Medicine, Sydney University, Sydney, Australia; §South Sydney Sports Medicine, Sydney, Australia; and ¶Sydney Roosters, Sydney, Australia.
    Objective: To assess and evaluate the long-term safety of local anesthetic injections before or during games in professional rugby league players.

    Design: Retrospective case series; Level of evidence, 4.

    Setting: Professional rugby league team. Read More

    Corrective Exercises Improve Movement Efficiency and Sensorimotor Function but Not Fatigue Sensitivity in Chronic Ankle Instability Patients: A Randomized Controlled Trial.
    Clin J Sport Med 2017 Oct 6. Epub 2017 Oct 6.
    *Department of Sports Injuries and Corrective Exercises, University of Isfahan, Isfahan, Iran; and †Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
    Objective: To investigate the effect of corrective exercises on functional movement patterns, sensorimotor function, self-reported function, and fatigue sensitivity in collegiate athletes with chronic ankle instability (CAI).

    Design: A randomized controlled trial.

    Setting: Laboratory of sports sciences. Read More

    Syncope Episodes and Blood Flow Restriction Training.
    Clin J Sport Med 2017 Oct 6. Epub 2017 Oct 6.
    *i+HeALTH, Research Group, Department of Health Sciences, Miguel de Cervantes European University, Valladolid, Spain; †Research Institute of the Hospital 12 de Octubre (i+12), Madrid, Spain; ‡Department of Exercise and Sport Science, University of Wisconsin-La Crosse, La Crosse, Wisconsin; and §Faculty of Health Sciences, European University, Madrid, Spain.
    The combination of low-load resistance training [or more recently, neuromuscular electrical stimulation (NMES)] with a moderate local blood flow restriction (BFR) is becoming a widespread training and rehabilitation method. Scientific data indicate the overall safety of BFR, at least in healthy young people. However, it has been associated with side effects, usually minor, and further research is warranted regarding the safety and efficacy of this technique, especially in clinical populations. Read More

    Surgical Approach Impacts Posterior Femoral Cutaneous Nerve Outcomes After Proximal Hamstring Repair.
    Clin J Sport Med 2017 Oct 6. Epub 2017 Oct 6.
    Departments of *Neurosurgery; and †Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota.
    Objective: The goal of this study was to characterize the risk of intraoperative injury to the posterior femoral cutaneous nerve and to evaluate potential risk factors for injury during surgical repair of proximal hamstring injuries.

    Design: Retrospective cohort study.

    Setting: Single tertiary referral center. Read More

    Diagnosis and Treatment of Slipping Rib Syndrome.
    Clin J Sport Med 2017 Oct 6. Epub 2017 Oct 6.
    *Pediatric Orthopedic Associates, Next Level Sports Medicine, Atlanta, Georgia; †The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts; ‡Division of Sports Medicine, Department of Orthopaedic Surgery, Boston Children's Hospital, Boston, Massachusetts; §Division of Emergency Medicine, Department of Medicine, Boston Children's Hospital, Boston, Massachusetts; ¶Harvard Medical School, Boston, Massachusetts; and ‖Department of Surgery, Harvard Medical School, Boston Children's Hospital, Boston, Massachusetts.
    Objective: (1) To investigate the clinical presentation, diagnosis, and treatment of slipping rib syndrome in athletes; (2) to investigate the hooking maneuver for diagnosis of slipping rib syndrome.

    Design: Retrospective chart review of 362 athletes with rib pain.

    Setting: Pediatric-based sports medicine clinic between January 1, 1999, and March 1, 2014. Read More

    Epidemiology of Competition Injuries in Elite European Judo Athletes: A Prospective Cohort Study.
    Clin J Sport Med 2017 Oct 11. Epub 2017 Oct 11.
    *Faculty of Physical Education and Sports, Comenius University, Bratislava, Slovak Republic; and †Australian Institute of Health Innovation, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, Australia.
    Objective: To determine the injury incidence rate (IIR) and injury pattern, and to identify risk factors for injury, among elite adult European judo athletes.

    Design: Prospective cohort study.

    Setting: The 2015 Under 23 European Judo Championships, Bratislava, Slovakia. Read More

    Proximal Radial Head Fractures in Young Gymnasts: A Case Series of Newly Described Overuse Injuries.
    Clin J Sport Med 2017 Oct 11. Epub 2017 Oct 11.
    *Department of Surgery and Perioperative Care, Emergency Medicine Program,The Dell Medical School at The University of Texas, Dell Seton Medical Center at the University of Texas Hospital, Austin Texas; †Department of Pediatrics and Orthopedics, University of Maryland Medical System, Baltimore, Maryland; ‡Department of Pediatrics, Division of Pediatric Sports Medicine, The Ohio State University College of Medicine, Nationwide Children's Hospital, Columbus, Ohio; and §Advanced Radiology, Baltimore, Maryland.
    We report a case series of unilateral Salter-Harris IV fractures of the proximal radial heads in young female gymnasts. To date, there are no previous reports of such injuries in gymnastics. In all 3 athletes, no significant injury preceded presentation or diagnosis. Read More

    The Injury and Illness Profile of Male and Female Participants in a 94.7 km Cycle Race: A Cross-Sectional Study.
    Clin J Sport Med 2017 Oct 11. Epub 2017 Oct 11.
    *Sport, Exercise Medicine and Lifestyle Institute (SEMLI) and Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa; and †Department of Statistics, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa.
    Objective: To describe the incidence and patterns of injury and illness of male and female participants during a 94.7 km distance cycling event.

    Design: Descriptive study. Read More

    Return to Sports After Athletes Undergo Meniscal Surgery: A Systematic Review.
    Clin J Sport Med 2017 Oct 5. Epub 2017 Oct 5.
    Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Hospital, Seongnam, South Korea.
    Objective: The aim of this systematic review was to determine the time to and rate of the return to sports (RTS) after meniscal surgery and to compare these values among the different types of meniscal surgeries.

    Study Design: Systematic review.

    Methods: The MEDLINE, EMBASE, and Cochrane databases were searched. Read More

    Sensitivity of the Cogstate Test Battery for Detecting Prolonged Cognitive Alterations Stemming From Sport-Related Concussions.
    Clin J Sport Med 2017 Oct 5. Epub 2017 Oct 5.
    *Department of Kinesiology, Université de Montréal, Montreal, QC, Canada; †Centre de recherche en neuropsychologie et cognition, Université de Montréal, Montreal, QC, Canada; and ‡Arnold School of Public Health, University of South Carolina, Columbia, South Carolina.
    Objective: To determine if the Cogstate test battery contains the requisite sensitivity to detect prolonged cognitive alterations.

    Methods: One hundred twenty collegiate athletes (71 with a history of concussion; 49 controls) completed the Cogstate test battery, to which we added a 2-back condition. In addition to the Cogstate clinical (transformed variables), we analyzed the raw data. Read More

    Dual-Task Tandem Gait and Average Walking Speed in Healthy Collegiate Athletes.
    Clin J Sport Med 2017 Oct 5. Epub 2017 Oct 5.
    *The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts; †Division of Sports Medicine, Department of Orthopaedics, Boston Children's Hospital, Boston, Massachusetts; ‡Brain Injury Center, Boston Children's Hospital, Boston, Massachusetts; §Department of Kinesiology and Applied Physiology, University of Delaware, Newark, Delaware; ¶Departments of Pediatrics and Orthopaedic Surgery, Harvard Medical School, Boston, Massachusetts; and ‖Interdisciplinary Program in Biomechanics and Movement Science, University of Delaware, Newark, Delaware.
    Objectives: To (1) examine the association between a commonly used concussion test, tandem gait, in single/dual-task conditions with single-task and dual-task average walking speed, (2) characterize the prevalence of tandem gait false positives, and (3) develop a normative reference range of dual-task tandem gait times.

    Design: Cross-sectional study.

    Setting: Two NCAA collegiate athletic facilities. Read More

    Reply.
    Clin J Sport Med 2017 Sep 28. Epub 2017 Sep 28.
    Departments of *Surgery; and †Pediatrics, University of Manitoba, Winnipeg, MB, Canada ‡Section of Neurosurgery, University of Manitoba, Winnipeg, MB, Canada §Pan Am Concussion Program, University of Manitoba, Winnipeg, MB, Canada ¶Children's Hospital Research Institute of Manitoba, Winnipeg, MB, Canada ‖Department of Clinical Health Psychology, University of Manitoba, Winnipeg, MB, Canada **Division of Neurosurgery, British Columbia Children's Hospital, National Core for Neuroethics, University of British Columbia, Vancouver, BC, Canada.

    Underlying Chronic Disease, Medication Use, History of Running Injuries and Being a More Experienced Runner Are Independent Factors Associated With Exercise-Associated Muscle Cramping: A Cross-Sectional Study in 15778 Distance Runners.
    Clin J Sport Med 2017 08 18. Epub 2017 Aug 18.
    *Sport, Exercise Medicine and Lifestyle Institute (SEMLI), and Section Sports Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa; †Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa; ‡International Olympic Committee (IOC) Research Centre, Pretoria, South Africa; §Biostatistics Unit, South African Medical Research Council; ¶Statistics and Population Studies Department, University of the Western Cape; and ‖Institute of Sport and Exercise Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University, Stellenbosch, South Africa.
    Background: Exercise-associated muscle cramping (EAMC) is a significant medical complication in distance runners, yet factors associated with EAMC are poorly documented.

    Objective: To document risk factors associated with EAMC in runners.

    Design: Cross-sectional study. Read More

    Abdominal Aortic Dissection and Cold-Intolerance After Whole-Body Cryotherapy: A Case Report.
    Clin J Sport Med 2017 Sep;27(5):e67-e68
    Department of Internal Medicine, University Hospital "Dr. José E. González", Universidad Autónoma de Nuevo León, Monterrey, México.
    Whole-body cryotherapy (WBC) involves short exposures to air temperatures below -100°C and is purported to enhance recovery after exercise and accelerate rehabilitation after injury. It is generally considered a procedure with few side effects, but there are no large studies that have established its safety profile. We present the case of a 56-year-old patient who developed an abdominal aortic dissection after receiving 15 sessions of WBC. Read More

    Return to Sports After Multiple Trauma: Which Factors Are Responsible?-Results From a 17-Year Follow-up.
    Clin J Sport Med 2017 Sep;27(5):481-486
    *Department of Orthopaedics and Trauma, RWTH Aachen University Medical Center, Aachen, Germany;†Department of Orthopaedics and Trauma, Royal Adelaide Hospital, Adelaide, Australia;‡Department of Trauma and Orthopedic Surgery, Cologne-Merheim Medical Center (CMMC), Private University of Witten/Herdecke, Cologne, Germany; and§Department of Orthopaedics, Health Science Center, University of Texas, San Antonio, Texas.
    Objective: We hypothesize that the majority of polytraumatised patients are unable to maintain their preinjury level of sporting activity, and that musculoskeletal injuries are a major contributing factor. We assessed the impact of such injuries on sporting prowess, with a focus on isolating, particularly debilitating musculoskeletal trauma.

    Methods: We conducted a cohort study of 637 patients at a level 1 trauma centre, to assess the long-term outcome of severe trauma on return to sporting activities (RTS). Read More

    Allergies and Exercise-Induced Bronchoconstriction in a Youth Academy and Reserve Professional Soccer Team.
    Clin J Sport Med 2017 Sep;27(5):450-456
    *Department of Sport Sciences and Physical Education, University of Lille, EA7369, URePSSS Unité de Recherche Pluridisciplinaire Sport, Santé, Société, Lille, France;†LOSC Lille, Research Department, Lille, France; and‡CHU Lille, Service de Pneumologie et immuno-allergologie, Hôpital Calmette et Université de Lille 2, France.
    Objectives: A high prevalence of respiratory allergies and exercise-induced bronchoconstriction (EIB) has been reported among endurance athletes. This study was designed to analyze the frequency of sensitization to respiratory allergens and EIB in young soccer players.

    Design: Prospective cohort design. Read More

    Intrarater Reliability of Muscle Strength and Hamstring to Quadriceps Strength Imbalance Ratios During Concentric, Isometric, and Eccentric Maximal Voluntary Contractions Using the Isoforce Dynamometer.
    Clin J Sport Med 2017 Aug 17. Epub 2017 Aug 17.
    *Department of Orthopedics, University Medicine Rostock, Rostock, Germany; and †Department of Sports Science, University of Rostock, Rostock, Germany.
    Objective: To determine intrasession and intersession reliability of strength measurements and hamstrings to quadriceps strength imbalance ratios (H/Q ratios) using the new isoforce dynamometer.

    Design: Repeated measures.

    Setting: Exercise science laboratory. Read More

    Systematic Selection of Key Logistic Regression Variables for Risk Prediction Analyses: A Five-Factor Maximum Model.
    Clin J Sport Med 2017 Aug 16. Epub 2017 Aug 16.
    *Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota; †Department of Sports Medicine, Sports Health and Performance Institute, The Ohio State University, Columbus, Ohio; Departments of ‡Physical Medicine and Rehabilitation; and §Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota; and ¶School of Allied Health, La Trobe University, Melbourne, Australia.
    General And Critical Review Format: The evolution of clinical practice and medical technology has yielded an increasing number of clinical measures and tests to assess a patient's progression and return to sport readiness after injury. The plethora of available tests may be burdensome to clinicians in the absence of evidence that demonstrates the utility of a given measurement.

    Objective: Thus, there is a critical need to identify a discrete number of metrics to capture during clinical assessment to effectively and concisely guide patient care. Read More

    ACTN3 R577X Polymorphism Is Associated With the Incidence and Severity of Injuries in Professional Football Players.
    Clin J Sport Med 2017 Aug 16. Epub 2017 Aug 16.
    *Department of Life and Environmental Sciences, University of Cagliari, Cagliari, Italy; †Italian Sports Medicine Federation (FMSI), Rome, Italy; ‡Institute of Sport, Exercise and Active Living (ISEAL), Victoria University, Victoria, Australia; §Cagliari CalcioSpa, Cagliari, Italy; and ¶Murdoch Childrens Research Institute, Royal Children's Hospital, Melbourne, Australia.
    Objective: The ACTN3 R577X gene variant results in the absence of the α-actinin-3 protein in ∼18% of humans worldwide and has been associated with athletic performance and increased susceptibility to eccentric muscle damage. The aim of this study was to investigate the association between ACTN3 R577X variant and indirect muscle disorders/injuries in professional football players.

    Design: A case-control, genotype-phenotype association study. Read More

    Effect of Physical Methods of Lymphatic Drainage on Postexercise Recovery of Mixed Martial Arts Athletes.
    Clin J Sport Med 2017 Aug 16. Epub 2017 Aug 16.
    *Department of Physiological and Medical Sciences, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland; †Department of Medical Sciences, The Wojciech Korfanty School of Economics, Katowice, Poland; ‡Department of Sports Theory, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland; and §Department of Physiology, Medical University of Silesia, Katowice, Poland.
    Objective: Physical methods are reported to be important for accelerating skeletal muscle regeneration, decreasing muscle soreness, and shortening of the recovery time. The aim of the study was to assess the effect of the physical methods of lymphatic drainage (PMLD) such as manual lymphatic drainage (MLD), the Bodyflow (BF) therapy, and lymphatic drainage by deep oscillation (DO) on postexercise regeneration of the forearm muscles of mixed martial arts (MMA) athletes.

    Design And Methods: Eighty MMA athletes aged 27. Read More

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