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https://www.readbyqxmd.com/read/28078364/-ligament-injuries-of-fingers-and-thumbs
#1
R Schmitt
Degenerative and traumatic ligament lesions of the carpometacarpal joints frequently occur at the thumb ray, whereas the carpometacarpal amphiarthrosis of other finger rays are rarely affected. The metacarpophalangeal and interphalangeal joints of the thumb and fingers are stabilized by bilaterally running collateral ligaments and palmar plates. At the base of the metacarpophalangeal joints, several ligaments of the extensor hoods guide the extensor tendons and coordinate the fine motoric skills of phalangeal flexing and extending...
January 11, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28068561/classifying-the-variability-in-impact-and-active-peak-vertical-ground-reaction-forces-during-running-using-dfa-and-arfima-models
#2
Samantha L Winter, John H Challis
The vertical ground reaction force (VGRF) during rear-foot striking running typically exhibits peaks referred to as the impact peak and the active peak; their timings and magnitudes have been implicated in injury. Identifying the structure of time-series can provide insight into associated control processes. The purpose here was to detect long-range correlations associated with the time from first contact to impact peak (TIP) and active peak (TAP); and the magnitudes of impact (IPM) and active peaks (APM) using a Detrended Fluctuation Analysis, and Auto-Regressive Fractionally Integrated Moving Average models...
January 6, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28068160/prediction-of-injuries-and-injury-types-in-army-basic-training-infantry-armor-and-cavalry-trainees-using-a-common-fitness-screen
#3
JoEllen M Sefton, K R Lohse, J S McAdam
CONTEXT:  Musculoskeletal injuries (MSIs) are among the most important challenges facing our military. They influence career success and directly affect military readiness. Several methods of screening initial entry training (IET) soldiers are being tested in an effort to predict which soldiers will sustain an MSI and to develop injury-prevention programs. The Army 1-1-1 Fitness Assessment was examined to determine if it could be used as a screening and MSI prediction mechanism in male IET soldiers...
November 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/28067245/effect-of-hierarchically-aligned-fibrin-hydrogel-in-regeneration-of-spinal-cord-injury-demonstrated-by-tractography-a-pilot-study
#4
Zhenxia Zhang, Shenglian Yao, Sheng Xie, Xiumei Wang, Feiyan Chang, Jie Luo, Jingming Wang, Jun Fu
Some studies have reported that scaffold or cell-based transplantation may improve functional recovery following SCI, but no imaging information regarding regeneration has been provided to date. This study used tractography to show the regenerating process induced by a new biomaterial-aligned fibrin hydrogel (AFG). A total of eight canines subjected to SCI procedures were assigned to the control or the AFG group. AFG was implanted into the SCI lesion immediately after injury in 5 canines. A follow-up was performed at 12 weeks to evaluate the therapeutic effect including the hindlimb functional recovery, anisotropy and continuity of fibers on tractography...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28064040/bax-to-basics-how-the-bcl2-gene-family-controls-the-death-of-retinal-ganglion-cells
#5
REVIEW
Margaret E Maes, Cassandra L Schlamp, Robert W Nickells
Retinal ganglion cell (RGC) death is the principal consequence of injury to the optic nerve. For several decades, we have understood that the RGC death process was executed by apoptosis, suggesting that there may be ways to therapeutically intervene in this cell death program and provide a more direct treatment to the cells and tissues affected in diseases like glaucoma. A major part of this endeavor has been to elucidate the molecular biological pathways active in RGCs from the point of axonal injury to the point of irreversible cell death...
January 4, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/28056179/descriptive-characteristics-of-concussions-in-national-football-league-games-2010-2011-to-2013-2014
#6
Michael D Clark, Breton M Asken, Stephen W Marshall, Kevin M Guskiewicz
BACKGROUND: Despite a high reported incidence rate of concussion, little is known about the on-field characteristics of injurious head impacts in National Football League (NFL) games. PURPOSE: To characterize on-field features (location, player position, and time during game) and biomechanical features (anticipation status, closing distance, impact location and type) associated with concussions in NFL games over a 4-season period (2010-2011 to 2013-2014). STUDY DESIGN: Descriptive epidemiology study...
December 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28054124/-severe-blunt-thoracic-trauma-caused-by-ski-collision
#7
S J Lochner, M Scherr, M Perl, C Grove
An approximately 25-year-old skier collided in a ski-run intersection. At high speed, he first hit another skier and then smashed into a snow cannon. He died from his injuries a short time later in hospital. A whole-body CT scan was conducted under resuscitation conditions, which was followed by an autopsy. The investigation revealed a severe blunt thoracic trauma as cause of death. The detailed analysis was the result of the combination of the two methods of investigation, CT scan and autopsy. The methods complemented each other effectively and allowed for a detailed presentation of the injury pattern...
January 4, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28051980/physical-performance-and-attrition-among-u-s-air-force-trainees-participating-in-the-basic-military-training-fueling-initiative
#8
Carrissa G Bartlett, Susan Stankorb
INTRODUCTION: Dietary intake of military initial entry trainees is often inadequate because of the structured food environment, lack of snacking, and limited time for meals. Inadequate intake during training increases risk for injury, poor performance, and attrition from training. A performance nutrition initiative was implemented at Joint Base San Antonio Lackland to mitigate this inadequacy in Air Force trainees and better reflect recommendations for active populations and mitigate nutritional inadequacy...
January 2017: Military Medicine
https://www.readbyqxmd.com/read/28051022/risk-factors-of-contrast-induced-acute-kidney-injury-in-patients-undergoing-emergency-percutaneous-coronary-intervention
#9
Ying Yuan, Hong Qiu, Xiao-Ying Hu, Tong Luo, Xiao-Jin Gao, Xue-Yan Zhao, Jun Zhang, Yuan Wu, Hong-Bing Yan, Shu-Bin Qiao, Yue-Jin Yang, Run-Lin Gao
BACKGROUND: Previous studies of contrast-induced acute kidney injury (CI-AKI) were mostly based on selective percutaneous coronary intervention (PCI) cases, and risk factors of CI-AKI after emergency PCI are unclear. The aim of this study was to explore the risk factors of CI-AKI in a Chinese population undergoing emergency PCI. METHODS: A total of 1061 consecutive patients undergoing emergency PCI during January 2013 and June 2015 were enrolled and divided into CI-AKI and non-CI-AKI group...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28050535/anterior-cruciate-ligament-and-meniscal-injuries-in-sports-incidence-time-of-practice-until-injury-and-limitations-caused-after-trauma
#10
Diego Costa Astur, Marcos Xerez, João Rozas, Pedro Vargas Debieux, Carlos Eduardo Franciozi, Moises Cohen
OBJECTIVE: To analyze the incidence of ACL and meniscal injuries in a population of recreational and elite athletes from Brazil and the relation of these injuries with their sports activities. METHODS: This was a prospective observational study of 240 patients with ACL and/or meniscal injuries submitted to surgical treatment. Data of patients and sport modality, as well as Tegner score were registered in the first clinical evaluation. The patients were divided into three groups: (1) isolated rupture of the ACL; (2) ACL injury associated with meniscal injury; (3) isolated menisci injury...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28043940/ultrasonographic-assessment-of-medial-femoral-cartilage-deformation-acutely-following-walking-and-running
#11
M S Harkey, J T Blackburn, H Davis, L Sierra-Arévalo, D Nissman, B Pietrosimone
OBJECTIVE: To determine the magnitude of medial femoral cartilage deformation using ultrasonography (US) following walking and running in healthy individuals. DESIGN: Twenty-five healthy participants with no history of osteoarthritis or knee injury volunteered for this study. Medial femoral cartilage thickness was assessed using US before and after three separate 30-min loading conditions: (1) walking at a self-selected speed, (2) running at a self-selected speed, and (3) sitting on a treatment table (i...
December 31, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28039125/mechanisms-of-acl-injury-in-professional-rugby-union-a-systematic-video-analysis-of-36-cases
#12
Connor Montgomery, Jeff Blackburn, Daniel Withers, Gregory Tierney, Cathal Moran, Ciaran Simms
BACKGROUND: The mechanisms of ACL injury in rugby are not well defined. AIM: To describe the mechanisms of ACL injury in male professional rugby players using systematic video analysis. METHODS: 36 cases from games played in top professional leagues and international matches were analysed. 5 analysts independently assessed all videos to record the estimated frame/time of initial ground contact, frame/time of ACL tear and a range of play specific variables...
December 30, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28012810/the-role-of-gender-and-physical-performance-on-injuries-an-army-study
#13
Morgan K Anderson, Tyson Grier, Esther O Dada, Michelle Canham-Chervak, Bruce H Jones
INTRODUCTION: In basic combat training, women experience twice as many injuries as men; however, evidence at the operational Army level is limited. This study aims to investigate the association between gender and injury likelihood while controlling for certain confounding factors in the operational Army. METHODS: Data were analyzed in 2015 from a cross-sectional study utilizing data from a 2010-2011 survey of light infantry Army Soldiers. Gender, age, body fat, tobacco use, Army Physical Fitness Test (2-mile run, push-ups, and sit-ups), occupational physical demand, and injury data were obtained via paper survey...
December 21, 2016: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28005637/effects-of-physical-training-and-fitness-on-running-injuries-in-physically-active-young-men
#14
Tyson L Grier, Michelle Canham-Chervak, Morgan K Anderson, Timothy T Bushman, Bruce H Jones
Grier, TL, Canham-Chervak, M, Anderson, MK, Bushman, TT, and Jones, BH. Effects of physical training and fitness on running injuries in physically active young men. J Strength Cond Res 31(1): 207-216, 2017-The purpose of this investigation was to determine the effects of physical training (PT) and fitness on risks for running-related injuries (RRIs) in physically active young men. Personal characteristics, PT, Army Physical Fitness Test scores, and injury data were obtained by survey. Army Physical Fitness Test variables (push-ups, sit-ups, and 2-mile run) were converted into quartiles (Q), where Q1 = lowest performance and Q4 = highest performance...
January 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27992250/impact-of-a-long-run-on-injury-related-biomechanics-with-relation-to-weekly-mileage-in-trained-male-runners
#15
Max R Paquette, Daniel A Melcher
The purposes of this study were to compare selected biomechanical variables before and after a long run, and to assess the relationship between weekly running volume and changes in lower limb biomechanics after the run. Twelve trained habitual rearfoot strike male runners ran overground before and after a treadmill long run while kinematic and kinetic data were recorded. Repeated measures analysis of variance and Cohen's d effect sizes were used to compare kinematic and kinetic variables before and after the run...
December 19, 2016: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/27984178/endogenous-modulation-of-trkb-signaling-by-treadmill-exercise-after-peripheral-nerve-injury
#16
Ariadna Arbat-Plana, Stefano Cobianchi, Mireia Herrando-Grabulosa, Xavier Navarro, Esther Udina
After peripheral nerve injury, transected fibers distal to the lesion are disconnected from the neuronal body. This results in target denervation but also massive stripping of the central synapses of axotomized motoneurons, disrupting spinal circuits. Even when axonal regeneration is successful, the non-specific target reinnervation and the limited rebuilding of spinal circuits impair functional recovery. Therefore, strategies aimed to preserve spinal circuits after nerve lesions may improve the functional outcome...
October 28, 2016: Neuroscience
https://www.readbyqxmd.com/read/27981192/forced-treadmill-exercise-can-induce-stress-and-increase-neuronal-damage-in-a-mouse-model-of-global-cerebral-ischemia
#17
Martina Svensson, Philip Rosvall, Antonio Boza-Serrano, Emelie Andersson, Jan Lexell, Tomas Deierborg
Physical exercise is known to be a beneficial factor by increasing the cellular stress tolerance. In ischemic stroke, physical exercise is suggested to both limit the brain injury and facilitate behavioral recovery. In this study we investigated the effect of physical exercise on brain damage following global cerebral ischemia in mice. We aimed to study the effects of 4.5 weeks of forced treadmill running prior to ischemia on neuronal damage, neuroinflammation and its effect on general stress by measuring corticosterone in feces...
December 2016: Neurobiology of Stress
https://www.readbyqxmd.com/read/27977300/preventive-neuromuscular-training-for-young-female-athletes-comparison-of-coach-and-athlete-compliance-rates
#18
Dai Sugimoto, Carl G Mattacola, Heather M Bush, Staci M Thomas, Kim D Barber Foss, Gregory D Myer, Timothy E Hewett
CONTEXT:  Fewer athletic injuries and lower anterior cruciate ligament injury incidence rates were noted in studies of neuromuscular training (NMT) interventions that had high compliance rates. However, several groups have demonstrated that preventive NMT interventions were limited by low compliance rates. OBJECTIVE:  To descriptively analyze coach and athlete compliance with preventive NMT and compare the compliance between study arms as well as among school levels and sports...
December 15, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27973926/drug-induced-liver-injury-a-cohort-study-on-patients-referred-to-the-danish-transplant-center-over-a-five-year-period
#19
Mille Baekdal, Henriette Ytting, Mette Skalshøi Kjær
OBJECTIVE: The idiosyncratic subtype of drug-induced liver injury (DILI) is a rare reaction to medical treatment that in severe cases can lead to acute liver failure and death. The aim of this study was to describe the presentation and outcome of DILI and to identify potential predictive factors of poor outcome. MATERIALS AND METHODS: We identified all patients diagnosed with DILI at the Department of Hepatology, Rigshospitalet, from March 2007 to November 2012...
December 15, 2016: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/27956237/the-ameliorative-effects-of-exercise-on-cognitive-impairment-and-white-matter-injury-from-blood-brain-barrier-disruption-induced-by-chronic-cerebral-hypoperfusion-in-adolescent-rats
#20
Jae-Min Lee, Jong-Min Park, Min Kyung Song, Yoo Joung Oh, Chang-Ju Kim, Youn-Jung Kim
Vascular dementia is the progressive change in blood vessels that leads to neuronal injuries in vulnerable areas induced by chronic cerebral hypoperfusion (CCH). CCH induces disruption of blood-brain barrier (BBB), and this BBB disruption can initiate the cognitive impairment and white matter injury. In the present study, we evaluated the effect of treadmill exercise on the cognitive impairment, white matter injury, and BBB disruption induced by CCH. Vascular dementia was induced by permanent bilateral common carotid arteries occlusion (BCCAO) in rats...
December 9, 2016: Neuroscience Letters
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