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Sport injured

Kevin D Martin, Jeffrey Wake, Laura Dawson, J Preston Van Buren
Background: The prevalence of Achilles tendon (AT) pathology is common and can result in disability. Understanding normal AT properties can improve our ability to prevent AT injuries. We examined the cross-sectional area of the AT at multiple levels in an asymptomatic population of Army Rangers. Methods: This is a prospective cohort study composed of 41 voluntarily recruited United States Army Rangers deployed in a combat theater. All subjects were members of the Ranger Regiment participating in more than 20 h of intense bipedal non-sport weekly training with no history of AT pathology...
March 14, 2018: Military Medicine
Felix Fischer, Christian Hoser, Cornelia Blank, Wolfgang Schobersberger, Caroline Hepperger, Peter Gföller, Christian Fink
PURPOSE AND HYPOTHESIS:  With its load characteristics, the team sport of football places high physical demands on players and thus is associated with a high risk of injury. Therefore, the purpose of this study was to collect information about injuries suffered by football players in Austria during training or matches to enable participating clubs to learn about injuries. METHODS:  One hundred and forty-five players from seven teams with age ranging from 16 to 38 years participated in this prospective study during the 2015/16 season...
March 12, 2018: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
Andres Kroker, Jennifer L Bhatla, Carolyn A Emery, Sarah L Manske, Steven K Boyd
Anterior cruciate ligament (ACL) tears are a common sports-related knee injury that increases the risk of developing post-traumatic osteoarthritis (OA). During OA progression bone microarchitecture changes in the affected knee, however, little is known about bone microarchitecture in knees with early stage OA. The purpose of this study is to investigate in a cohort of females predisposed to develop OA how bone microarchitecture in ACL reconstructed knees differs from uninjured contralateral knees as well as healthy control knees and how this relates to early changes in OA...
March 8, 2018: Bone
J K Dierijck, A D Wright, J D Smirl, K Bryk, P van Donkelaar
Although balance control has been studied extensively following acute concussion, little is known regarding repetitive sub-concussive head impacts or chronic exposure to multiple concussive events. Quiet stance postural control was characterized in contact sport athletes at pre-season (n = 135) and post-season (n = 48) to evaluate the effects of subconcussive trauma to the head. To determine the impact of acute concussion on postural control, athletes diagnosed with a concussion during the season (n = 12) were tested at 72-h, 2-weeks, and 1-month post-injury...
March 8, 2018: International Journal of Psychophysiology
Athol Thomson, Einar Einarsson, Clint Hansen, Chris Bleakley, Rod Whiteley
OBJECTIVES: Compare maximum plantar force (Fmax) during running in soccer players following anterior cruciate ligament reconstruction (ACLR) as they pass return to sport (RTS) criteria. DESIGN: Case control study. METHODS: Soccer players after ACLR (n=16) and matched healthy controls (n=16) ran on a treadmill at 12, 14 and 16km/h while plantar loading data was measured using an in-shoe pressure system (Pedar-X, Novel). Fmax and contact time of the injured and uninjured limbs in athletes <9months post-ACLR and those ≥9months ACLR were compared to healthy players (no ACLR)...
March 1, 2018: Journal of Science and Medicine in Sport
Melissa A Christino, Frances A Tepolt, Dai Sugimoto, Lyle J Micheli, Mininder S Kocher
BACKGROUND: Revision anterior cruciate ligament (ACL) reconstruction in pediatric patients has not been well studied. The purpose of this study was to assess the demographics, technique, and results of ACL revision surgery in children and adolescents. METHODS: This was a retrospective case series with outcomes assessment of patients 18 years old and younger who underwent revision ACL surgery over a 16-year period at a single institution. Medical records were reviewed for demographics, clinical and operative data, and patients were contacted for outcomes at a minimum of 1 year after revision surgery...
March 5, 2018: Journal of Pediatric Orthopedics
Philip Von Rosen, Anders Kottorp, Cecilia Fridén, Anna Frohm, Annette Heijne
Even though injury is common in elite sports, there is still a lack of knowledge of young athletes' injury perception both during and after injury. The aim of this mixed-method study was, therefore, to explore, in-depth, data on injury consequences and adolescent elite athletes' perceptions and experience of injury. Three hundred and forty adolescent elite athletes (age range 15-19), from 16 different sports, were bi-weekly monitored over 52 weeks using a valid questionnaire. Twenty athletes from the same cohort were interviewed in focus groups about injury experience and perceptions...
March 3, 2018: European Journal of Sport Science
Barry P Katz, Maria Kudela, Jaroslaw Harezlak, Michael McCrea, Thomas McAllister, Steven P Broglio
BACKGROUND: Sport-related concussion and repetitive head impact exposure in contact sports continue to receive increased attention in public and medical spheres. The Concussion Assessment, Research and Education (CARE) Consortium, a multicenter cooperative, was established to study the natural history of concussion in National Collegiate Athletic Association (NCAA) collegiate student-athletes across 29 colleges and universities in the United States. The purpose of this investigation is to provide normative data from the CARE Consortium and evaluate for differences between sport categories...
March 1, 2018: Sports Medicine
Pratheep Sandrasaigaran, Satar Jabbar Rahi Algraittee, Azfar Rizal Ahmad, Sharmili Vidyadaran, Rajesh Ramasamy
Mesenchymal stem cells (MSCs) exert potent immuno-regulatory activities on various immune cells and also differentiate into various mesodermal lineages besides retaining a distinct self-renewal ability. Such exclusive characteristics had enabled MSCs to be recognised as an ideal source for cell-based treatment in regenerative medicine and immunotherapy. Thus, considering MSCs for treating degenerative disease of organs with limited regenerative potential such as cartilage would serve as an ideal therapy. This study explored the feasibility of generating human cartilage-derived MSCs (hC-MSCs) from sports injured patients and characterised based on multipotent differentiation and immunosuppressive activities...
March 1, 2018: Cytotechnology
Katrin Bart, Holger Steinberg
This study is the first to provide research on the East-German (GDR) sports physician and neurologist Bernhard Schwarz. It summarises Schwarz's publications from 1953 to 1966 regarding the impact of boxing on health, particularly craniocerebral injury. Also, the study analyses his work in the context of current discussions. It shows that Schwarz, who was a tenured professor and director of the Department of Psychiatry at the University Hospital of Leipzig and the physician of the GDR national boxing team, conducted systematic clinical surveys and pointed to the health impacts of boxing at an early point in time...
February 26, 2018: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
Stefan F Fischerauer, Mojtaba Talaei-Khoei, Rens Bexkens, David C Ring, Luke S Oh, Ana-Maria Vranceanu
BACKGROUND: Fear avoidance can play a prominent role in maladaptive responses to an injury. In injured athletes, such pain-related fear or fear avoidance behavior may have a substantial influence on the recovery process. Specifically, it may explain why some are able to reach their preinjury abilities, whereas others are unable to return to sport. QUESTIONS/PURPOSES: (1) Is fear avoidance in athletes associated with decreased physical function after injury? (2) To what degree is fear avoidance associated with athletes' pain intensity? METHODS: In a cross-sectional study, we recruited injured athletes-defined as patients with sports-related injury, weekly engagement in sport activities, participation in competitive events as part of a team or club, self-identification as an athlete, and a desire to return to sport after recovery-from an orthopaedic sports medicine center at a major urban university hospital...
February 14, 2018: Clinical Orthopaedics and related Research
Jacobien H F Oosterhoff, Rens Bexkens, Ana-Maria Vranceanu, Luke S Oh
BACKGROUND: Although a parent's perception of his or her child's physical and emotional functioning may influence the course of the child's medical care, including access to care and decisions regarding treatment options, no studies have investigated whether the perceptions of a parent are concordant with that of an adolescent diagnosed with a sports-related orthopaedic injury. Identifying and understanding the potential discordance in coping and emotional distress within the athlete adolescent-parent dyads are important, because this discordance may have negative effects on adolescents' well-being...
February 14, 2018: Clinical Orthopaedics and related Research
W S El Masri Y
The controversy about surgical vs conservative treatment of the injured spine with cord damage is centuries old. Until the end of the Second World War the majority of patients died or lived a short miserable life. Subsequently, Guttmann, an experienced neurosurgeon, realised surgery was not beneficial and sometimes detrimental to the person with spinal cord injury. Guttman, Frankel and others demonstrated with expert conservative management of the spine and the multi-system consequences of cord damage most patients made some neurological recovery and most with incomplete cord injury recovered ambulation regardless of X-ray findings...
2018: Spinal Cord Series and Cases
Amy L McIntosh, Christy M Christophersen
Motocross is a popular sport in which participants ride a two-wheeled, motorized vehicle on an uneven 2-km track with natural or human-made obstacles. Participants compete at high rates of speed, and children as young as age 4 years compete in age-appropriate groups. Motocross is recognized as a strenuous sport with a high accident rate. Most injuries are musculoskeletal in nature. The most commonly injured areas are the forearm, clavicle, femur, and tibia. Many injuries require surgical treatment. Some patients sustain head trauma with loss of consciousness...
March 1, 2018: Journal of the American Academy of Orthopaedic Surgeons
Jeffrey T Johnston, Bert R Mandelbaum, David Schub, Scott A Rodeo, Matthew J Matava, Holly J Silvers, Brian J Cole, Neil S ElAttrache, Tim R McAdams, Robert H Brophy
BACKGROUND: Anterior cruciate ligament (ACL) injuries are prevalent in contact sports that feature cutting and pivoting, such as American football. These injuries typically require surgical treatment, can result in significant missed time from competition, and may have deleterious long-term effects on an athlete's playing career and health. While the majority of ACL tears in other sports have been shown to occur from a noncontact mechanism, it stands to reason that a significant number of ACL tears in American football would occur after contact, given the nature of the sport...
February 1, 2018: American Journal of Sports Medicine
Peter D Fabricant, Yi-Meng Yen, Dennis E Kramer, Mininder S Kocher, Lyle J Micheli, J Todd R Lawrence, Theodore J Ganley, Benton E Heyworth
Background: While traditional biological principles have suggested that fragments consisting of cartilage alone cannot be reaffixed to bone with expectable long-term healing, case reports of successful healing after fixation in younger patients indicate that this concept remains incompletely explored. Purpose: To evaluate the presenting features, techniques, healing rates, and clinical and radiological results in a cohort of pediatric and adolescent athletes who underwent fixation of traumatic chondral-only fragments in the knee...
February 2018: Orthopaedic Journal of Sports Medicine
Xiaoguang Liu, Zhigang Zeng, Linlin Zhao, Weihua Xiao, Peijie Chen
Injury of skeletal muscle, and particularly mechanically-induced damage, including contusion injury, frequently occurs in contact sports as well as in sports with accidental contact. Although the mechanisms of skeletal muscle regeneration are well understood, those involved in muscle contusion are not. A total of 40 male mice were randomly divided into control (n=8) and muscle contusion (n=32) groups. A muscle contusion model was established by weight-drop injury. Subsequently, the gastrocnemius muscles in the two groups were harvested at different times (1, 3, 7 and 14 days) post-injury...
February 2018: Experimental and Therapeutic Medicine
Jonathan I Stuart, Ian L Hudson, Simon A Sarkisian, Michael P Simpson, Benjamin P Donham
Introduction: Injuries sustained during Modern Army Combatives (MAC) tournaments can result in variable recovery time for involved competitors and unpredictable loss of readiness for military units. A paucity of MAC data is available to guide military medical providers and unit commanders on expected injuries or loss of readiness. Literature reviewing mixed martial arts competitions offers some insight but demonstrates variation in fight outcomes resulting in injuries ranging from 8.5% to 70% and it is difficult to effectively extrapolate such data to predict MAC tournament injuries...
February 6, 2018: Military Medicine
Philip von Rosen, Annette Heijne, Anna Frohm, Cecilia Friden, Anders Kottorp
CONTEXT:   Our understanding of the injury burden in elite adolescent athletes in most sports is limited or unknown because of the lack of prospective, long-term injury studies. OBJECTIVE:   To describe injury patterns in terms of type, location, prevalence and incidence, recurrence, and severity grade; time to first injury; and prevalence of illness in elite adolescent athletes and to compare differences in injury data by sex and sport type. DESIGN:   Cohort study...
February 7, 2018: Journal of Athletic Training
Jordan Rattai, Liran Levin
BACKGROUND/AIMS: Ice hockey players of all ages experience oral and dental injuries. The Aim of this study was to evaluate the rates of ice hockey related oral injuries, time lost due to oral injury and mechanisms of oral injuries in the province of Alberta during a 15 year period (2001-2016). METHODS: Hockey Alberta, the governing body for minor ice hockey associations across the province collects injury report forms from injured participants in sanctioned events...
February 6, 2018: Dental Traumatology: Official Publication of International Association for Dental Traumatology
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