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Injury of high strain rate

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https://www.readbyqxmd.com/read/27900184/symptoms-and-risk-factors-of-depression-during-and-after-the-football-career-of-elite-female-players
#1
Birgit Prinz, Jiří Dvořák, Astrid Junge
BACKGROUND: The mental health of elite athletes has received increasing attention in recent years, but no study has evaluated the career-time prevalence of depression, and very few have analysed risk factors of mental health problems during or after the career. METHODS: 157 (response rate 64.1%) female players who played in the German First League answered an anonymous online survey on details of their football career, stressful and helpful conditions, depression and need of psychotherapeutic support during and after the football career...
2016: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/27831921/the-effects-of-smoking-and-nicotine-ingestion-on-exercise-heat-tolerance
#2
Amit Druayn, Danit Atias, Itay Ketko, Yoav Cohen-Sivan, Yuval Heled
BACKGROUND: Smoking has a thermogenic effect and is associated with low physical performance. Nevertheless, a direct, quantitative effect of acute smoking on exercise heat tolerance has not been reported. METHODS: Sixteen healthy young male volunteers, eight cigarette smokers, and eight non-smokers participated in the study. All subjects performed a maximal oxygen consumption test (VO2max) and a standardized heat tolerance test (HTT) after at least 12 h without smoking under the following conditions: no nicotine exposure, 10 min after nicotine exposure (2 mg nicotine lozenge), and 10 min after smoking two cigarettes (0...
November 10, 2016: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/27829193/modifying-the-strength-and-strain-concentration-profile-within-collagen-scaffolds-using-customizable-arrays-of-poly-lactic-acid-fibers
#3
Laura C Mozdzen, Alan Vucetic, Brendan A C Harley
The tendon-to-bone junction is a highly specialized tissue which dissipates stress concentrations between mechanically dissimilar tendon and bone. Upon injury, the local heterogeneities across this insertion are not regenerated, leading to poor functional outcomes such as formation of scar tissue at the insertion and re-failure rates exceeding 90%. Although current tissue engineering methods are moving towards the development of spatially-graded biomaterials to begin to address these injuries, significant opportunities remain to engineer the often complex local mechanical behavior of such biomaterials to enhance their bioactivity...
October 27, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/27808004/interval-training-elicits-higher-enjoyment-versus-moderate-exercise-in-persons-with-spinal-cord-injury
#4
Todd A Astorino, Jacob S Thum
BACKGROUND: High intensity interval training (HIIT) is a robust and time-efficient approach to improve multiple health indices including maximal oxygen uptake (VO2max). Despite the intense nature of HIIT, data in untrained adults report greater enjoyment of HIIT versus continuous exercise (CEX). However, this has yet to be investigated in persons with spinal cord injury (SCI). OBJECTIVE: To examine differences in enjoyment in response to CEX and HIIT in persons with SCI...
November 3, 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27806502/a-comparison-between-the-new-and-the-conventional-method-for-recapping-of-needles-in-a-hospital-setting
#5
Mohsen Masoodi, Haleh Chehrehgosha, Marjan Mokhtare, Amir Hossein Faghihi, Shahram Agah
INTRODUCTION: Needle stick injury is a common and serious event despite training and education and preventive strategies. The common form of the needle stick among health care workers can be occurred while recapping of needle and it is important because of the risk of transferring infectious strains. With aim of reducing the needle stick injury we compared the results of a new recapping method as high dropping cover to a needle and then try to fix it for frequency of needle stick injury and impending to injury among a sample of nurses...
July 12, 2016: Global Journal of Health Science
https://www.readbyqxmd.com/read/27737287/thigh-injuries-in-american-football
#6
Joseph D Lamplot, Matthew J Matava
Quadriceps and hamstring injuries occur frequently in football and are generally treated conservatively. While return to competition following hamstring strains is relatively quick, a high rate of injury recurrence highlights the importance of targeted rehabilitation and conditioning. This review describes the clinical manifestations of thigh-related soft-tissue injuries seen in football players. Two of these-muscle strains and contusions-are relatively common, while a third condition-the Morel-Lavallée lesion-is a rare, yet relevant injury...
September 2016: American Journal of Orthopedics
https://www.readbyqxmd.com/read/27720260/dissonant-health-transition-in-the-states-of-mexico-1990-2013-a-systematic-analysis-for-the-global-burden-of-disease-study-2013
#7
Héctor Gómez-Dantés, Nancy Fullman, Héctor Lamadrid-Figueroa, Lucero Cahuana-Hurtado, Blair Darney, Leticia Avila-Burgos, Ricardo Correa-Rotter, Juan A Rivera, Simon Barquera, Eduardo González-Pier, Tania Aburto-Soto, Elga Filipa Amorin de Castro, Tonatiuh Barrientos-Gutiérrez, Ana C Basto-Abreu, Carolina Batis, Guilherme Borges, Ismael Campos-Nonato, Julio C Campuzano-Rincón, Alejandra de Jesús Cantoral-Preciado, Alejandra G Contreras-Manzano, Lucia Cuevas-Nasu, Vanessa V de la Cruz-Gongora, Jose L Diaz-Ortega, María de Lourdes García-García, Armando Garcia-Guerra, Teresita González de Cossío, Luz D González-Castell, Ileana Heredia-Pi, Marta C Hijar-Medina, Alejandra Jauregui, Aida Jimenez-Corona, Nancy Lopez-Olmedo, Carlos Magis-Rodríguez, Catalina Medina-Garcia, Maria E Medina-Mora, Fabiola Mejia-Rodriguez, Julio C Montañez, Pablo Montero, Alejandra Montoya, Grea L Moreno-Banda, Andrea Pedroza-Tobías, Rogelio Pérez-Padilla, Amado D Quezada, Vesta L Richardson-López-Collada, Horacio Riojas-Rodríguez, Maria J Ríos Blancas, Christian Razo-Garcia, Martha P Romero Mendoza, Tania G Sánchez-Pimienta, Luz M Sánchez-Romero, Astrid Schilmann, Edson Servan-Mori, Teresa Shamah-Levy, Martha M Téllez-Rojo, José L Texcalac-Sangrador, Haidong Wang, Theo Vos, Mohammad H Forouzanfar, Mohsen Naghavi, Alan D Lopez, Christopher J L Murray, Rafael Lozano
BACKGROUND: Child and maternal health outcomes have notably improved in Mexico since 1990, whereas rising adult mortality rates defy traditional epidemiological transition models in which decreased death rates occur across all ages. These trends suggest Mexico is experiencing a more complex, dissonant health transition than historically observed. Enduring inequalities between states further emphasise the need for more detailed health assessments over time. The Global Burden of Diseases, Injuries, and Risk Factors Study 2013 (GBD 2013) provides the comprehensive, comparable framework through which such national and subnational analyses can occur...
October 5, 2016: Lancet
https://www.readbyqxmd.com/read/27681217/occupational-injuries-and-diseases-among-commercial-fishers-in-finland-1996-2015
#8
Kim O Kaustell, Tiina E A Mattila, Risto H Rautiainen
BACKGROUND: Commercial fishing is recognised as one of the most hazardous professions worldwide. In Finland, commercial fishing has some special characteristics, including fishing on ice during frozen waters, and pluriactivity of the fisher family to gain additional income. The goal of this study was to describe injury characteristics among commercial fishers in Finland during the years 1996-2015. With this information, we wish to promote creation of effective safety campaigns and interventions...
2016: International Maritime Health
https://www.readbyqxmd.com/read/27671211/stretch-injury-of-human-induced-pluripotent-stem-cell-derived-neurons-in-a-96-well-format
#9
Sydney A Sherman, Jack K Phillips, J Tighe Costa, Frances S Cho, Sevan R Oungoulian, John D Finan
Traumatic brain injury (TBI) is a major cause of mortality and morbidity with limited therapeutic options. Traumatic axonal injury (TAI) is an important component of TBI pathology. It is difficult to reproduce TAI in animal models of closed head injury, but in vitro stretch injury models reproduce clinical TAI pathology. Existing in vitro models employ primary rodent neurons or human cancer cell line cells in low throughput formats. This in vitro neuronal stretch injury model employs human induced pluripotent stem cell-derived neurons (hiPSCNs) in a 96 well format...
September 27, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27643676/material-properties-of-the-heel-fat-pad-across-strain-rates
#10
Grigoris Grigoriadis, Nicolas Newell, Diagarajen Carpanen, Alexandros Christou, Anthony M J Bull, Spyros D Masouros
The complex structural and material behaviour of the human heel fat pad determines the transmission of plantar loading to the lower limb across a wide range of loading scenarios; from locomotion to injurious incidents. The aim of this study was to quantify the hyper-viscoelastic material properties of the human heel fat pad across strains and strain rates. An inverse finite element (FE) optimisation algorithm was developed and used, in conjunction with quasi-static and dynamic tests performed to five cadaveric heel specimens, to derive specimen-specific and mean hyper-viscoelastic material models able to predict accurately the response of the tissue at compressive loading of strain rates up to 150s(-1)...
September 8, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/27632842/rehabilitation-after-hamstring-strain-injury-emphasizing-eccentric-strengthening-at-long-muscle-lengths-results-of-long-term-follow-up
#11
Timothy F Tyler, Brandon M Schmitt, Stephen J Nicholas, Malachy McHugh
CONTEXT: Hamstring strain injuries have a high recurrence rate. OBJECTIVE: To determine if a protocol emphasizing eccentric strength training with the hamstrings in a lengthened position resulted in a low recurrence rate. DESIGN: Longitudinal cohort study Setting: Sports medicine physical therapy clinic. PARTICIPANTS: 50 athletes with hamstring strain injury (age 36±16 yo; 30 men, 20 women; 3 G1, 43 G2, 4 G3; 25 recurrent injuries) followed a 3-phase rehabilitation protocol emphasizing eccentric strengthening with the hamstrings in a lengthened position...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27511467/extra-articular-tenodesis-combined-with-an-anterior-cruciate-ligament-reconstruction-in-acute-anterior-cruciate-ligament-tear-in-elite-female-football-players
#12
Matteo Guzzini, Daniele Mazza, Mattia Fabbri, Riccardo Lanzetti, Andrea Redler, Carlo Iorio, Edoardo Monaco, Andrea Ferretti
PURPOSE: The growing popularity of elite soccer among female participants has led to increased incidents of anterior cruciate ligament (ACL) ruptures. Many authors underline a positive glide after ACL reconstruction (ACLR), especially in women. In fact, an isolated intra-articular ACLR may be inadequate to control rotational instability after a combined injury of the ACL and the peripheral structures of the knee. Extra-articular procedures are sometimes used in primary cases displaying excessive antero-lateral rotatory instability...
October 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27497499/bandwidth-and-sample-rate-requirements-for-wearable-head-impact-sensors
#13
Lyndia C Wu, Kaveh Laksari, Calvin Kuo, Jason F Luck, Svein Kleiven, Cameron R 'Dale' Bass, David B Camarillo
Wearable inertial sensors measure human head impact kinematics important to the on-going development and validation of head injury criteria. However, sensor specifications have not been scientifically justified in the context of the anticipated field impact dynamics. The objective of our study is to determine the minimum bandwidth and sample rate required to capture the impact frequency response relevant to injury. We used high-bandwidth head impact data as ground-truth measurements, and investigated the attenuation of various injury criteria at lower bandwidths...
September 6, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27484361/multivariate-analysis-of-ultrasound-recorded-dorsal-strain-sequences-investigation-of-dynamic-neck-extensions-in-women-with-chronic-whiplash-associated-disorders
#14
Anneli Peolsson, Gunnel Peterson, Johan Trygg, David Nilsson
Whiplash Associated Disorders (WAD) refers to the multifaceted and chronic burden that is common after a whiplash injury. Tools to assist in the diagnosis of WAD and an increased understanding of neck muscle behaviour are needed. We examined the multilayer dorsal neck muscle behaviour in nine women with chronic WAD versus healthy controls during the entire sequence of a dynamic low-loaded neck extension exercise, which was recorded using real-time ultrasound movies with high frame rates. Principal component analysis and orthogonal partial least squares were used to analyse mechanical muscle strain (deformation in elongation and shortening)...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27470953/-classification-and-imaging-diagnosis-of-lisfranc-joint-injuries
#15
Y Xi, D J Hu, W W Yao, M Li
OBJECTIVE: To accelerate the detection rate and accuracy of diagnosis in damage imaging of Lisfranc joint through research on the information of X-ray, CT, and MR imaging of tarsometatarsus joint (also called Lisfranc joint) damage. METHODS: A total of 153 cases of tarsometratisus damage or Lisfranc ligamentous injury patients were chosen during November 2012 to November 2015. Lisfranc injuries were classified according to the Myerson fracture displacements classification and Nunley-Vertullo low-grade injury classification...
July 5, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27458580/occupational-health-and-safety-of-finnish-dairy-farmers-using-automatic-milking-systems
#16
Janne P Karttunen, Risto H Rautiainen, Christina Lunner-Kolstrup
INTRODUCTION: Conventional pipeline and parlor milking expose dairy farmers and workers to adverse health outcomes. In recent years, automatic milking systems (AMS) have gained much popularity in Finland, but the changes in working conditions when changing to AMS are not well known. The aim of this study was to investigate the occupational health and safety risks in using AMS, compared to conventional milking systems (CMS). METHODS: An anonymous online survey was sent to each Finnish dairy farm with an AMS in 2014...
2016: Frontiers in Public Health
https://www.readbyqxmd.com/read/27315285/accumulation-of-poly-3-hydroxybutyrate-helps-bacterial-cells-to-survive-freezing
#17
Stanislav Obruca, Petr Sedlacek, Vladislav Krzyzanek, Filip Mravec, Kamila Hrubanova, Ota Samek, Dan Kucera, Pavla Benesova, Ivana Marova
Accumulation of polyhydroxybutyrate (PHB) seems to be a common metabolic strategy adopted by many bacteria to cope with cold environments. This work aimed at evaluating and understanding the cryoprotective effect of PHB. At first a monomer of PHB, 3-hydroxybutyrate, was identified as a potent cryoprotectant capable of protecting model enzyme (lipase), yeast (Saccharomyces cerevisiae) and bacterial cells (Cupriavidus necator) against the adverse effects of freezing-thawing cycles. Further, the viability of the frozen-thawed PHB accumulating strain of C...
2016: PloS One
https://www.readbyqxmd.com/read/27302153/groin-injuries-athletic-pubalgia-and-return-to-play
#18
Osama Elattar, Ho-Rim Choi, Vickie D Dills, Brian Busconi
CONTEXT: Groin pain is a common entity in athletes involved in sports that require acute cutting, pivoting, or kicking such as soccer and ice hockey. Athletic pubalgia is increasingly recognized as a common cause of chronic groin and adductor pain in athletes. It is considered an overuse injury predisposing to disruption of the rectus tendon insertion to the pubis and weakness of the posterior inguinal wall without a clinically detectable hernia. These patients often require surgical therapy after failure of nonoperative measures...
July 2016: Sports Health
https://www.readbyqxmd.com/read/27293542/review-of-vancomycin-induced-renal-toxicity-an-update
#19
REVIEW
Oluwatoyin Bamgbola
In recent times the use of larger doses of vancomycin aimed at curbing the increasing incidence of resistant strains of Staphylococcus aureus has led to a wider report of acute kidney injury (AKI). Apart from biological plausibility, causality is implied by the predictive association of AKI with larger doses, longer duration, and graded plasma concentrations of vancomycin. AKI is more likely to occur with the concurrent use of nephrotoxic agents, and in critically ill patients who are susceptible to poor renal perfusion...
June 2016: Therapeutic Advances in Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27265045/numerical-simulations-of-the-10-year-old-head-response-in-drop-impacts-and-compression-tests
#20
Zhou Zhou, Binhui Jiang, Libo Cao, Feng Zhu, Haojie Mao, King H Yang
BACKGROUND AND OBJECTIVE: Studies on traumatic injuries of children indicate that impact to the head is a major cause of severe injury and high mortality. However, regulatory and ethical concerns very much limit development and validation of computer models representing the pediatric head. The purpose of this study was to develop a child head finite element model with high-biofidelity to be used for studying pediatric head injury mechanisms. METHODS: A newly developed 10-year-old (YO) pediatric finite element head model was limitedly validated for kinematic and kinetic responses against data from quasi-static compressions and drop tests obtained from an experimental study involving a child-cadaver specimen...
July 2016: Computer Methods and Programs in Biomedicine
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