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Contact sport

Ying Liang, Michael Hiley, Kazuyuki Kanosue
It has been demonstrated that expertise in sport influences standing balance ability. However, little is known concerning how physical contact in sport affects balance ability. The aim of this study was to examine whether differences between contact and limited-contact sport experiences results in differences in postural control. Twenty male collegiate athletes (10 soccer/contact, 10 baseball/limited contact) and ten male untrained students stood quietly on a force plate under various bipedal and unipedal conditions, with and without vision...
2019: PloS One
Rok Kralj, Zoran Barcot, Tomislav Vlahovic, Mario Kurtanjek, Ivan Petracic
INTRODUCTION: Fractures of the phalanges in children can often be underappreciated by the physician of first contact. Therefore it is necessary to point out which of these fractures, because of the risk of possible future complications, need special mention. MATERIALS AND METHODS: A retrospective review of 512 fractures of the phalanges in children and adolescents during an one year period. Fractures were subdivided into the following categories - physeal fractures, intraarticular (phalangeal neck and condylar) fractures, shaft fractures, tuft fractures, "mallet finger" fractures, volar plate avulsion injuries and collateral ligament avulsion injuries...
February 13, 2019: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
Anna E Saw, Andrew S McIntosh, Alex Kountouris, Phil Newman, James E Gaida
BACKGROUND: Vertebral artery dissection (VAD) is a potentially catastrophic injury that may occur during sports participation. A comprehensive review is needed to collate documented cases to improve understanding and inform future preventative approaches. OBJECTIVE: This review aimed to understand the extent of VAD in sport and characterise trends suggestive of mechanisms of injury. METHODS: Electronic databases were searched using terms related to VAD and sport...
February 13, 2019: Sports Medicine
Joel M Garrett, Ryan Gunn, Roger G Eston, John Jakeman, Darren J Burgess, Kevin Norton
INTRODUCTION: With the underlying mechanisms of fatigue shown to be task-specific, gaining an understanding of changes within the running profile due to fatigue may provide a greater task-specific method for monitoring neuromuscular fatigue (NMF) in elite team sport athletes. This review aimed to identify, review and summarise the literature to understand the effects of fatigue on the running profile of elite team sport athletes. EVIDENCE ACQUISITION: MEDLINE, SPORTDiscus, EMBASE and CINAHL were searched...
February 12, 2019: Journal of Sports Medicine and Physical Fitness
Ewelina Lulińska-Kuklik, Masouda Rahim, Waldemar Moska, Ewelina Maculewicz, Mariusz Kaczmarczyk, Agnieszka Maciejewska-Skrendo, Krzysztof Ficek, Pawel Cieszczyk, Alison V September, Marek Sawczuk
OBJECTIVES: Anterior cruciate ligament rupture (ACLR) is a common and severe knee injury which typically occurs as a result of sports participation, primarily via a non-contact mechanism. A number of extrinsic and intrinsic risk factors, including genetics, have been identified thus far. Matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteases (TIMPs) play a crucial role in extracellular matrix remodeling of ligaments and therefore the genes encoding MMPs and TIMPs are plausible candidates for investigation with ACL rupture risk...
January 29, 2019: Journal of Science and Medicine in Sport
Roel De Ridder, Julien Lebleu, Tine Willems, Cedric De Blaiser, Christine Detrembleu, Philip Roosen
CONTEXT: Wearable sensor devices have notable advantages, such as cost effectiveness, easy-to-use and real-time feedback. Wirelessness ensures full body motion which is required during movement in a challenging environment such as during sports. Research on the reliability and validity of commercially available systems, however, is indispensable. OBJECTIVE: To confirm the test-retest reliability and concurrent validity of a commercially available body worn sensor - BTS G-WALK® sensor system - for spatio-temporal gait parameters with the GAITRite® walkway system as golden standard...
February 12, 2019: Journal of Sport Rehabilitation
Michael Girdwood, Liam West, David Connell, Peter Brukner
CONTEXT: Muscle injuries of the hip stabilisers are considered rare in sport. OBJECTIVE: This report presents a previously unreported case of a contact injury resulting in acute strain of quadratus femoris (QF), obturator externus (OE) and inferior gemellus in an amateur Australian Rules Football player. CASE PRESENTATION: A player was tackled ispilateral to the injured leg, while in hip flexion in a lunged position. The case describes the diagnostic process, initial management and return to play for this athlete...
February 12, 2019: Journal of Sport Rehabilitation
Jaclyn B Caccese, Ryan M DeWolf, Thomas W Kaminski, Steven P Broglio, Thomas W McAllister, Michael McCrea, Thomas A Buckley
BACKGROUND: Repetitive head impacts in young athletes are potentially detrimental to later life (e.g., age 50 + years) neurological function; however, it is unknown what the short-term effects (e.g., age 20 years) are in collegiate student-athletes. OBJECTIVE: The purpose of this study was to determine the effect of the estimated age of first exposure to American tackle football participation on neurocognitive performance and symptom severity scores in collegiate student-athletes...
February 11, 2019: Sports Medicine
Minglu Zhu, Qiongfeng Shi, Tianyiyi He, Zhiran Yi, Yiming Ma, Bin Yang, Tao Chen, Chengkuo Lee
Wearable devices rely on hybrid mechanisms possess the advantages of establishing a smarter system for healthcare, sports monitoring, and smart home etc. Intimate socks with sensing capabilities can reveal more direct sensory information of body for longer duration in daily life. However, the limitation of suitable materials for smart textile makes the development of multi-functional socks remaining as a grand challenge. In this paper, we have developed a self-powered and self-functional sock (S2-sock) to realize diversified functions including energy harvesting and sensing various physiological signals, i...
February 11, 2019: ACS Nano
Corey T Walker, Juan S Uribe, Randall W Porter
No abstract text is available yet for this article.
February 5, 2019: Journal of Neurosurgery. Spine
Dilyara S Martykanova, Nailja Ch Davletova, Ilya A Zemlenuhin, Venera I Volchkova, Salavat M Mugallimov, Azat M Ahatov, Alexander V Laikov, Maria I Markelova, Eugenia A Boulygina, Leonid V Lopukhov, Tatiana V Grigoryeva
Background: The aim of this study was to assess changes in skin microbiota of wrestlers during training sessions and to determine the sensitivity of hemolytic bacterial isolates to antiseptics. Methods: The main skin bacterial isolates obtained from the skin of 15 wrestlers were identified by cultivation method, with the following MALDI Biotyper and 16S rRNA gene sequencing methods. The sensitivity of hemolytic isolates to antiseptics (Veltosept-2, Cutasept F, Chlorhexidine, Miramistin, and Hydrogen Peroxide) was evaluated by measuring the size of bacterial growth inhibition zone on agar plates...
2019: BioMed Research International
Xiaoxue Zhao, Shudong Li
Most of the previous studies have been focused on the upper limb biomechanical characteristic in the clear stroke among different level badminton players, but research on the lower limb is limited. The aim of this study is to explore the lower limb kinematics and foot pressure in the backcourt forehand clear stroke among badminton players to give theoretical reference in teaching and answer the questions occurring in the process of learning the actions. Ten professional badminton players (PP) and ten amateur players (AP) were recruited in this study...
2019: Applied Bionics and Biomechanics
Daniel R Clifton, Jay Hertel, James A Onate, Dustin W Currie, Lauren A Pierpoint, Erin B Wasserman, Sarah B Knowles, Thomas P Dompier, R Dawn Comstock, Stephen W Marshall, Zachary Y Kerr
CONTEXT: The advent of Web-based sports injury surveillance via programs such as the High School Reporting Information Online system and the National Collegiate Athletic Association Injury Surveillance Program has aided the acquisition of girls' and women's basketball injury data. OBJECTIVE: To describe the epidemiology of injuries sustained in high school girls' basketball in the 2005-2006 through 2013-2014 academic years and collegiate women's basketball in the 2004-2005 through 2013-2014 academic years using Web-based sports injury surveillance...
November 2018: Journal of Athletic Training
Daniel R Clifton, James A Onate, Jay Hertel, Lauren A Pierpoint, Dustin W Currie, Erin B Wasserman, Sarah B Knowles, Thomas P Dompier, Stephen W Marshall, R Dawn Comstock, Zachary Y Kerr
CONTEXT: The advent of Web-based sports injury surveillance via programs such as the High School Reporting Information Online system and the National Collegiate Athletic Association Injury Surveillance Program has aided the acquisition of boys' and men's basketball injury data. OBJECTIVE: To describe the epidemiology of injuries sustained in high school boys' basketball in the 2005-2006 through 2013-2014 academic years and collegiate men's basketball in the 2004-2005 through 2013-2014 academic years using Web-based sports injury surveillance...
November 2018: Journal of Athletic Training
Katherine W Turk, Andrew E Budson
PURPOSE OF REVIEW: This article provides a discussion on the current state of knowledge of chronic traumatic encephalopathy (CTE), with an emphasis on clinical features and emerging biomarkers of the condition. RECENT FINDINGS: The results of several large brain bank case series among subjects with a history of contact sports or repetitive head trauma have indicated that a high frequency of CTE may exist in this population. However, the true prevalence of CTE among individuals with a history of head trauma remains unknown, given that individuals who experienced cognitive, behavioral, and mood symptoms during life are more likely to have their brains donated for autopsy at death and epidemiologic studies of the condition are lacking...
February 2019: Continuum: Lifelong Learning in Neurology
Michelle L Weber, David Welch Suggs, Laura Bierema, L Stephen Miller, Fred Riefsteck, Julianne D Schmidt
PRIMARY OBJECTIVE: The objective of this study was to determine whether sex, years of sport eligibility completed, and sport contact level influenced student-athletes' concussion reporting intentions and behaviours. RESEARCH DESIGN: Cross-sectional. METHODS AND PROCEDURES: Student-athletes (n = 828) reported their sex, years of sport eligibility completed, sport, and completed concussion reporting intentions and behaviours surveys. Nonparametric statistics were conducted to compare intentions and behaviours between groups (alpha = 0...
January 31, 2019: Brain Injury: [BI]
Victor Coswig, Anselmo De Athayde Costa E Silva, Matheus Barbalho, Fernando Rosch De Faria, Claudio D Nogueira, Mariane Borges, Jéssica R Buratti, Ivaldo B Vieira, Francisco Javier López Román, José I Gorla
BACKGROUND: Vertical jumps can be used to assess neuromuscular status in sports performance. This is particularly important in Cerebral Palsy Football (CP Football) because players are exposed to high injury risk, but it may be complicated because the gold standard for assessing jump performance is scarce in field evaluation. Thus, field techniques, such as mobile apps, have been proposed as an alternative method for solving this problem. OBJECTIVE: This study aims to evaluate the reliability of the measures of the MyJump2 app to assess vertical jump performance in professional CP Football...
January 30, 2019: JMIR MHealth and UHealth
C Thornton, D Sheffield, A Baird
BACKGROUND: Athletes who play contact sports are regularly exposed to pain, yet manage to perform complex tasks without significant decrement. Limited research has suggested that superior pain tolerance in contact athletes may be important in this context and this may be altered via experience of pain. Other psychological variables such as challenge states, pain bothersomeness and coping style may also influence skill execution during pain. METHODS: Forty experienced contact athletes (>3years experience), 40 novice contact athletes (<6months experience) and 40 non-contact athletes performed a motor task both in pain and without pain...
January 30, 2019: European Journal of Pain: EJP
Michael F Bergeron, Sara Landset, Todd A Maugans, Vernon B Williams, Christy L Collins, Erin B Wasserman, Taghi M Khoshgoftaar
INTRODUCTION: Concussion prevalence in Sport is well-recognized; so too is the challenge of clinical and return-to-play management for an injury with an inherent indeterminant time course of resolve. Clear, valid insight to the anticipated resolution time could assist in planning treatment intervention. PURPOSE: This study implemented a supervised machine learning-based approach in modeling estimated symptom resolve time in high school athletes who incurred a concussion during sport activity...
January 25, 2019: Medicine and Science in Sports and Exercise
Liwen Zhang, Jonathon D Hacke, William E Garrett, Hui Liu, Bing Yu
BACKGROUND: Anterior cruciate ligament (ACL) injury is one of the most common injuries in sports, and the injury mechanisms are not completely clear. Bone bruises seen on magnetic resonance imaging (MRI) following ACL injuries may provide significant information for determining ACL injury mechanisms. OBJECTIVE: The aim was to determine ACL injury mechanisms through an evaluation of locations of bone bruises associated with ACL injury. METHODS: A search for related articles in PubMed and the EBSCO Sport Database was performed using selected search strings from inception to August 6, 2018...
January 28, 2019: Sports Medicine
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