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David J Tomlinson, Robert M Erskine, Christopher I Morse, Gladys L Onambélé
Background: The impact, within a single cohort, of independent modulators of skeletal muscle quality, including age, adiposity and obesity, habitual nutritional intake, and physical activity (PA), is unclear. Objective: We examined the bivariate associations between age, adiposity, habitual nutritional intake, and PA against 11 key intrinsic muscle-tendon unit (MTU) characteristics to identify the strongest predictors. We also compared overall profile differences between MTU categories with the use of z scores shown in radar graphs...
September 22, 2018: Journal of Nutrition
Özge Aydın Güçlü, Mehmet Karadağ, Aslı Ceren Macunluoğlu, Ezgi Demirdöğen Çetinoğlu, Dane Ediger
Introduction: The purpose of this study was to elucidate the asthma knowledge level of primary-secondary school teachers in Bursa, and factors associated with this subject. Materials and Methods: In our study 1812 teachers from 64 randomly selected primary schools in Bursa were included. Result: It was known by the vast majority of participants that asthma symptoms, asthma is not a contagious disease and may be familial, medications taken by inhalation...
June 2018: Tüberküloz Ve Toraks
António J Figueiredo, Manuel J Coelho-E-Silva, Sean P Cumming, Robert M Malina
PURPOSE: To compare characteristics of club level male soccer players 11 and 13 years of age, and to evaluate playing status in soccer two and 10 years after baseline by birth quarter (BQ). METHODS: Youth players 11 (n = 62, born 1992, observed December 2003) and 13 (n = 50, born 1990, observed April 2004) years were grouped by BQ. Baseline data included stature, weight, maturity status, functional capacities, soccer skills, goal orientation, and coach evaluation of potential...
September 22, 2018: Journal of Sports Sciences
Mark P Zoland, Joseph C Iraci, Srino Bharam, Leah E Waldman, John P Koulotouros, Devon Klein
Background: "Athletic pubalgia," a term that has gained acceptance over "sports hernia," is more common in men than women; however, it represents a significant source of morbidity for patients of both sexes. Inconsistent terminology surrounding this entity poses a diagnostic challenge and makes studying the populations at risk difficult. Purpose: To review a case series of women with athletic pubalgia by analyzing their presentations, concomitant pathologies, and surgical outcomes...
September 2018: Orthopaedic Journal of Sports Medicine
Neeraj M Patel, Nakul S Talathi, Divya Talwar, Peter D Fabricant, Mininder S Kocher, Theodore J Ganley, J Todd R Lawrence
Background: Despite several well-described operative techniques, the optimal management of anterior cruciate ligament (ACL) injuries in pediatric patients remains unclear. Purpose: To identify surgeons' preferred ACL reconstruction techniques and postoperative protocols for pediatric patients of various ages. Study Design: Cross-sectional study. Methods: An electronic survey was administered to surgeons in the Pediatric Research in Sports Medicine (PRiSM) society, resulting in a cohort of experienced respondents who performed a relatively high volume of ACL reconstructions in skeletally immature patients...
September 2018: Orthopaedic Journal of Sports Medicine
Brendan R Southam, Zachary Crawford, Brian M Grawe
Background: Previous studies in the arthroplasty, spine, and shoulder and elbow literature have shown that patients perceive Medicare reimbursement to surgeons to be much higher than current reimbursement schedules. Purpose: To evaluate patient perceptions of surgeon reimbursement for various rotator cuff repair (RCR) procedures. Study Design: Cross-sectional study. Methods: We surveyed 153 patients who presented to a single surgeon's orthopaedic sports medicine clinic between October 2016 and March 2017...
September 2018: Orthopaedic Journal of Sports Medicine
Anne Delextrat, Jessica Piquet, Martyn J Matthews, Daniel D Cohen
Hamstring strains are the most common injury in multiple sprint sports, with inadequate eccentric hamstring strength and fatigue identified as important risk factors. Resistance training interventions aimed at reducing injury risk typically focus on the development of maximum strength, while little is known about the impact of training on hamstring fatigue resistance. The present study compared the effects of strength endurance (SE) with a strength intervention (S) on the eccentric hamstring strength decline induced by a simulated soccer match...
2018: Frontiers in Physiology
Garry Egger
Lifestyle medicine (LM) is a relatively new branch of clinical practice (like travel medicine, sports medicine, etc), but to date with little accepted structure or methodology. The current review extends a previous attempt to define the determinants of chronic disease by expanding this to include (1) the knowledge base (the science) or epidemiology of chronic disease, (2) the skills (the art) or practice of LM, (3) the tools (the materials) that can add to LM diagnoses and prescription, and (4) the procedures (the actions) that help update conventional medicine to include practices required for a new era of lifestyle and environmentally related chronic disease...
September 2018: American Journal of Lifestyle Medicine
Gillian Weir, Richard van Emmerik, Carl Jewell, Joseph Hamill
BACKGROUND: Numerous investigations have attempted to link the incidence and risk of non-contact anterior cruciate ligament injuries to specific intrinsic and extrinsic mechanisms. However, these are often measured in isolation. RESEARCH QUESTION: This study utilizes a dynamical systems approach to investigate differences in coordination and coordination variability between segments and joints in anticipated and unanticipated sidestepping, a task linked to a high risk of non-contact anterior cruciate ligament injuries...
September 9, 2018: Gait & Posture
Ronny Lopes, Michael Andrieu, Guillaume Cordier, François Molinier, Jonathan Benoist, Fabrice Colin, André Thès, Marc Elkaïm, Olivier Boniface, Stéphane Guillo, Thomas Bauer
BACKGROUND: Chronic ankle instability (CAI) is the main complication of ankle sprains and requires surgery if non-operative treatment fails. Surgical ankle stabilisation techniques can be roughly classified into two groups, namely, repair involving retensioning and suturing of the anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL) and reconstruction using a tendon graft. Arthroscopic repair and reconstruction techniques for CAI have been introduced recently. The objective of this prospective multicentre study was to assess the feasibility, morbidity, and short-term outcomes of these arthroscopic ankle-stabilisation techniques...
September 20, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
Mark Hecimovich, Doug King, Alasdair Dempsey, Mason Gittins, Myles Murphy
OBJECTIVES: Sport-related concussion (SRC) can result in impaired oculomotor function. Oculomotor performance, measured utilizing the King-Devick/Eye Tracking test (K-D/ET), is reported to be able to identify sub-optimal brain function. The objectives of the study were to determine the diagnostic accuracy of the K-D/ET in identifying SRC occurring from game participation, and to perform a comparative analysis on saccade and blink counts for each K-D card individually and total counts between baseline and post-concussion...
September 22, 2018: Physician and Sportsmedicine
Jose Antonio
The United States (US) recommended dietary allowance (RDA) for protein is 0.8 grams per kilogram body weight per day (g/kg/d). The International Society of Sports Nutrition (ISSN) recently recommended an intake of 1.4-2.0 g/kg/d whereas the United States and Canadian Dietetic Association typically recommend a lower range of 1.2 to 1.7 g/kg/d. It is clear that the US RDA for protein is grossly inadequate for exercising individuals; thus, athletes are typically advised to consume twice the RDA. This falls within the range commonly recommended by academic societies...
September 22, 2018: Research in Sports Medicine
Yang Gao, Weicong Cai, Lijie Gao, Jingjing Wang, Jiehui Liang, Heather Kwok, Cunxian Jia, Liping Li
OBJECTIVES: This study aimed to investigate the epidemiological characteristics and preliminarily explore possible risk factors of physical activity-related injury (PARI) occurrences among Chinese university students via a multicentre mixed survey. DESIGN: Cross-sectional study. PARTICIPANTS: A total of 4758 undergraduates graded 1-3 in nine universities in three Chinese cities were enrolled via cluster random sampling and completed the self-administered online questionnaires during March and April 2017...
September 21, 2018: BMJ Open
Tameka McFadyen, Li Kheng Chai, Rebecca Wyse, Melanie Kingsland, Sze Lin Yoong, Tara Clinton-McHarg, Adrian Bauman, John Wiggers, Chris Rissel, Christopher Michael Williams, Luke Wolfenden
OBJECTIVES: The primary aim for this review is to determine the effectiveness of strategies to improve the implementation of policies, practices or programmes in sporting organisations. The secondary aims are to describe the cost or cost-effectiveness and adverse effects of such strategies and to examine the effects of those implementation strategies on individual's diet, physical activity, obesity, alcohol use or tobacco use. METHODS: We conducted searches of academic databases (eg, MEDLINE, EMBASE and CENTRAL), trial registers and hand searches of selected journals...
September 21, 2018: BMJ Open
Hjörtur F Hjartarson, Sören Toksvig-Larsen
BACKGROUND: Treatment of patients with knee osteoarthritis is challenging. Unloader braces have been developed with various success. Unloader One® Knee Brace is light, easily-fitted and shown to be effective by the unloading of the affected compartment. The aim of the study was to assess the clinical outcome of the brace vs. a placebo on patients with knee osteoarthritis. METHODS: Initially 150 patients were randomized to receive either the Unloader brace or a control placebo group look-alike brace where the active strips had been removed...
September 22, 2018: BMC Musculoskeletal Disorders
Rachel E Ward, Alycia Fong Yan, Karl F Orishimo, Ian J Kremenic, Marshall Hagins, Marijeanne Liederbach, Claire Hiller, Evangelos Pappas
Repetition of jumps in dance and sport training poses a potential injury risk, however non-contact landing injuries are more common in athletes than dancers. This study aimed to compare the lower limb stiffness characteristics of dancers and athletes during drop landings to investigate possible mechanisms of impact-related injuries. Kinematics and kinetics were recorded as 39 elite modern and ballet dancers (19 men, 20 women) and 40 college level team sport athletes (20 men, 20 women) performed single-legged drop landings from a 30-cm platform...
September 22, 2018: Scandinavian Journal of Medicine & Science in Sports
Enora Le Flao, Matt Brughelli, Patria A Hume, Doug King
BACKGROUND: Head/neck dynamic response to perturbation has been proposed as a risk factor for sports-related concussion. OBJECTIVES: The aim of this systematic review was to compare methodologies utilised to assess head/neck dynamic response to perturbation, report on magnitude, validity and reliability of the response, and to describe modifying factors. METHODS: A systematic search of databases resulted in 19 articles that met the inclusion and exclusion criteria...
September 21, 2018: Sports Medicine
R Canetti, C Batailler, C Bankhead, P Neyret, E Servien, S Lustig
INTRODUCTION: Unicompartmental knee arthroplasty (UKA) is frequently performed on active patients with symptomatic osteoarthritis who desire a quick return to sports. The aim of this study was to compare return to sport after lateral UKA performed by robotic-assisted and conventional techniques. MATERIALS AND METHODS: This retrospective study has assessed 28 lateral UKA (25 patients), 11 performed with robotic-assisted technique and 17 with conventional technique, between 2012 and 2016...
September 21, 2018: Archives of Orthopaedic and Trauma Surgery
Hallie Zwibel, Adena Leder, Sheldon Yao, Christina Finn
Concussions have been increasingly reported over the past decade, but the reported incidence likely minimizes the actual numbers of people affected. Associated symptoms include emotional, somatic, and cognitive complaints, which may be prolonged in patients with certain risk factors. Neurologic examination is necessary to exclude upper motor neuron lesions and thus the need for brain imaging. Cervical conditions are often found concurrently with head injury and displays a similar presentation to concussions...
September 17, 2018: Journal of the American Osteopathic Association
Sinead Mary O'Connell, Richard John Woodman, Ian Lewis Brown, David Julian Vincent, Henry Joseph Binder, Balakrishnan Siddartha Ramakrishna, Graeme Paul Young
BACKGROUND: Fluid deficits exceeding 1.6% can lead to physical and cognitive impairment in athletes. Sport drinks used by athletes are often hyper-osmolar but this is known to be suboptimal for rehydration in medical settings and does not utilize colonic absorptive capacity. Colonic absorption can be enhanced by fermentative production of short chain fatty acids (SCFA) from substrates such as high amylose maize starch (HAMS). This study therefore compared, in elite Australian Football League (AFL) players at the height of outdoor summer training, a novel dual-action sports oral rehydration strategy that contained HAMS as well as glucose, to their usual rehydration practices (Control)...
September 21, 2018: Journal of the International Society of Sports Nutrition
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