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https://www.readbyqxmd.com/read/28326351/effects-of-low-dose-ibuprofen-supplementation-and-resistance-training-on-bone-and-muscle-in-postmenopausal-women-a-randomized-controlled-trial
#1
Whitney R D Duff, Saija A Kontulainen, Darren G Candow, Julianne J Gordon, Riley S Mason, Regina Taylor-Gjevre, Bindu Nair, Michael Szafron, Adam D G Baxter-Jones, Gordon A Zello, Philip D Chilibeck
PURPOSE: To compare the effects of nine months of exercise training and ibuprofen supplementation (given immeditately after exercise sessions) on bone and muscle in postmenopausal women. METHODS: In a double-blind randomized trial, participants (females: n = 90, mean age 64.8, SD 4.3 years) were assigned (computer generated, double blind) to receive supervised resistance training or stretching 3 days/week, and ibuprofen (400 mg, post-exercise) or placebo (i...
December 2016: Bone Reports
https://www.readbyqxmd.com/read/28320356/association-between-v%C3%AC-o2max-handgrip-strength-and-musculoskeletal-pain-among-construction-and-health-care-workers
#2
Lene Lehmann Moberg, Lars-Kristian Lunde, Markus Koch, Anne Therese Tveter, Kaj Bo Veiersted
BACKGROUND: Construction and health care workers have a high prevalence of musculoskeletal disorders, and they are assumed to have physically demanding jobs. Profession- and gender-specific associations between individual capacity and musculoskeletal pain have not been sufficiently investigated. The main aim of this study was to examine the association between individual capacity (maximal oxygen uptake (V̇O2max) and handgrip strength) and musculoskeletal pain among construction and health care workers...
March 21, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28301443/can-neck-strength-be-measured-using-a-single-maximal-contraction-in-a-simulated-contact-position
#3
Danielle M Salmon, Phil Handcock, S John Sullivan, Nancy J Rehrer, Brian Niven
Neck strengthening has been postulated to potentially reduce the incidence/severity of concussions and neck injuries in collision based sports. A quick and reliable method to assess neck strength would permit identification of those at risk and tracking of progress following injury. The purpose of this study was to determine if neck strength could be reliably assessed in a simulated contact posture using a single maximal contraction. During a single session 30 healthy male university students performed 3 maximal voluntary contractions of the neck musculature in each of the following directions: extension (Ext), flexion (Flx), left (LtFlx), and right lateral flexion (RtFlx)...
March 13, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28297333/benchmarking-of-five-commercial-deformable-image-registration-algorithms-for-head-and-neck-patients
#4
Jason Pukala, Perry B Johnson, Amish P Shah, Katja M Langen, Frank J Bova, Robert J Staton, Rafael R Mañon, Patrick Kelly, Sanford L Meeks
Benchmarking is a process in which standardized tests are used to assess system performance. The data produced in the process are important for comparative purposes, particularly when considering the implementation and quality assurance of DIR algorithms. In this work, five commercial DIR algorithms (MIM, Velocity, RayStation, Pinnacle, and Eclipse) were benchmarked using a set of 10 virtual phantoms. The phantoms were previously developed based on CT data collected from real head and neck patients. Each phantom includes a start of treatment CT dataset, an end of treatment CT dataset, and the ground-truth deformation vector field (DVF) which links them together...
May 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28291498/emergency-department-wounds-managed-by-combat-medics-a-case-series
#5
Steven G Schauer, James A Pfaff
BACKGROUND: Combat medics are an integral part of their unit helping to conserve the fighting strength. Minor wounds are a common problem in the deployed settings that affect a soldier's ability to partake in operations. While the medics often manage wound care, there is very little data on the outcomes. METHODS: Cases were acquired as part of a quality assurance project providing training feedback to medics on wound management. Laceration management is delegated to the medic at the direction of the provider...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28291488/patient-litter-system-response-in-a-full-scale-ch-46-crash-test
#6
Charles A Weisenbach, Tyler Rooks, Troy Bowman, Vince Fralish, B Joseph McEntire
U.S. Military aeromedical patient litter systems are currently required to meet minimal static strength performance requirements at the component level. Operationally, these components must function as a system and are subjected to the dynamics of turbulent flight and potentially crash events. The first of two full-scale CH-46 crash tests was conducted at NASA's Langley Research Center and included an experiment to assess patient and litter system response during a severe but survivable crash event. A three-tiered strap and pole litter system was mounted into the airframe and occupied by three anthropomorphic test devices (ATDs)...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28290940/effects-of-combat-deployment-on-anthropometrics-and-physiological-status-of-u-s-army-special-operations-forces-soldiers
#7
Emily K Farina, Jonathan C Taylor, Gary E Means, Kelly W Williams, Nancy E Murphy, Lee M Margolis, Stefan M Pasiakos, Harris R Lieberman, James P McClung
INTRODUCTION: U.S. Army Special Operations Forces (SOF) soldiers deploy frequently and conduct military operations through special warfare and surgical strike capabilities. Tasks required to execute these capabilities may induce physical and mental stress and have the potential to degrade soldier physiological status. No investigations have longitudinally characterized whether combat deployment alters anthropometrics or biochemical markers of physiological status in a SOF population of frequent deployers...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28289955/atomistic-simulation-study-of-tensile-deformation-in-nanocrystalline-and-single-crystal-au
#8
Cheng-Da Wu, Hsing-Wei Tsai
The effect of notch size (r) on nanocrystalline (NC) and single-crystal (SC) Au at a temperature of 300 K under tension testing is studied using molecular dynamics simulations based on the many-body embedded-atom potential. The effect is investigated in terms of atomic trajectories, common neighbor analysis, and the stress-strain curve. The simulation results show that for the NC samples, stacking faults nucleate at grain boundaries (GBs), propagate inside grains, and eventually are terminated by GBs or transect them...
April 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28282796/use-of-low-level-of-continuous-heat-and-ibuprofen-as-an-adjunct-to-physical-therapy-improves-pain-relief-range-of-motion-and-the-compliance-for-home-exercise-in-patients-with-nonspecific-neck-pain-a-randomized-controlled-trial
#9
Jerrold S Petrofsky, Michael Laymon, Faris Alshammari, Iman Akef Khowailed, Haneul Lee
BACKGROUND: It has been well documented at heat reduces pain and increases healing by increasing blood flow in tissue. OBJECTIVE: The purpose of this study was to see if the use of low level continuous heat (LLCH) and Ibuprofen used as a home therapy between physical therapy sessions at a clinic resulted in better therapy outcomes in people with chronic neck pain. METHODS: Ninety-two patients with chronic nonspecific neck pain were randomly divided into 4 groups; LLCH group, LLCH with Ibuprofen (IP) group, sham LLCH with sham IP group, and controls...
March 3, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28277592/evaluation-of-the-effects-of-the-metha-short-stem-on-periprosthetic-bone-remodelling-in-total-hip-arthroplasties-results-at-48-months
#10
Paolo D Parchi, Gianluca Ciapini, Iacopo Castellini, Claudia Mannucci, Anna Maria Nucci, Nicola Piolanti, Silvia Maffei, Michele Lisanti
INTRODUCTION: Total hip arthroplasty is one of the most performed procedures in orthopaedic surgery. Implantation of a prosthesis determines changes in the distribution of loads on the host bone, and this phenomenon, known as stress shielding, is related to the biomechanical characteristics of the implant. Usually stress shielding involves the proximal portion of the femur by reducing the mechanical strength and ability to withstand the transmitted loads. The aim of our study is to demonstrate how the use of a short hip stem reduces the stress shielding phenomenon to the proximal femur...
March 9, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28273355/evaluation-of-segmentation-methods-on-head-and-neck-ct-auto-segmentation-challenge-2015
#11
Patrik F Raudaschl, Paolo Zaffino, Gregory C Sharp, Maria Francesca Spadea, Antong Chen, Benoit M Dawant, Thomas Albrecht, Tobias Gass, Christoph Langguth, Marcel Lüthi, Florian Jung, Oliver Knapp, Stefan Wesarg, Richard Mannion-Haworth, Mike Bowes, Annaliese Ashman, Gwenael Guillard, Alan Brett, Graham Vincent, Mauricio Orbes-Arteaga, David Cárdenas-Peña, German Castellanos-Dominguez, Nava Aghdasi, Yangming Li, Angelique Berens, Kris Moe, Blake Hannaford, Rainer Schubert, Karl D Fritscher
PURPOSE: Automated delineation of structures and organs is a key step in medical imaging. However, due to the large number and diversity of structures and the large variety of segmentation algorithms a consensus is lacking as to which automated segmentation method works best for certain applications. Segmentation challenges are a good approach for unbiased evaluation and comparison of segmentation algorithms. METHODS: In this work we describe and present the results of the Head and Neck Auto-Segmentation Challenge 2015, a satellite event at the Medical Image Computing and Computer Assisted Interventions (MICCAI) 2015 conference...
March 8, 2017: Medical Physics
https://www.readbyqxmd.com/read/28264709/a-rare-presentation-of-myxofibrosarcoma-as-a-pancoast-tumor-a-case-report
#12
Vasa Jevremovic, Adnan Yousuf, Zulfiqar Hussain, Amer Abboud, Edgar G Chedrawy
BACKGROUND: Myxofibrosarcoma is an aggressive soft tissue neoplasm, classified as a variant of malignant fibrous histiocytoma. Most often, it occurs in middle to late adult life peaking in the seventh decade and involving the lower extremities (77%), trunk (12%), and retroperitoneum or mediastinum (8%). We report the first case of thoracic myxofibrosarcoma presenting as a Pancoast tumor. CASE PRESENTATION: A 48-year-old non-tobacco smoking African-American man presented with a slow-growing mass in his neck along with 11 kg weight loss over 9 months...
March 7, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28258327/latarjet-procedure-using-subscapularis-split-approach-offers-better-rotational-endurance-than-partial-tenotomy-for-anterior-shoulder-instability
#13
Ali Ersen, Fevzi Birisik, Hakan Ozben, Ata Can Atalar, Turker Sahinkaya, Aksel Seyahi, Mehmet Demirhan
PURPOSE: Latarjet, which is a coracoid bone block procedure, is an effective treatment for anterior shoulder instability with glenoid bone loss. During this reconstructive procedure the subscapularis may be tenotomized or be split to expose the glenoid neck. The aim of this study was to assess the effect of subscapularis management on functional outcomes and internal and external rotation durability and strength. Hypothesis is that the subscapularis split approach will result in better functional results and superior internal rotation strength and endurance...
March 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28244926/biomechanical-evaluation-of-the-depth-of-resection-during-femoral-neck-osteoplasty-for-anterior-impingement-following-slipped-capital-femoral-epiphysis
#14
Kevin M Dale, Geoffrey T Burns, Ying Li
BACKGROUND: Femoroacetabular impingement as a result of slipped capital femoral epiphysis (SCFE) has been treated traditionally with a proximal femoral osteotomy, but open and arthroscopic femoral osteoplasty is becoming increasingly popular. Cam lesions result from excess bone primarily at the anterolateral femoral head-neck junction. SCFEs result from posterior and inferior slippage of the femoral epiphysis, causing the metaphysis to move anteriorly. This study's purpose was to compare fourth-generation sawbones standard femurs with SCFE femurs to determine whether bone resection from the anterior metaphysis results in similar biomechanical properties...
February 27, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28244553/prevalence-of-concomitant-bone-and-muscle-wasting-in-elderly-women-from-the-sarcophage-cohort-preliminary-results
#15
M Locquet, C Beaudart, J-Y Reginster, J Petermans, S Gillain, A Quabron, J Slomian, F Buckinx, O Bruyère
BACKGROUND: Recent studies suggest that bone and muscle wasting are closely interconnected. OBJECTIVE: The aim was of this study is to assess the prevalence of osteoporosis in a population of women diagnosed with sarcopenia. Participants, setting and design: We analyzed cross-sectional data of women, aged 65 years and above, for whom bone mineral density was available at the time of inclusion in the SarcoPhAge (Sarcopenia and Physical impairment with advancing Age) cohort, an ongoing prospective study with the aim to assess consequences of sarcopenia...
2017: Journal of Frailty & Aging
https://www.readbyqxmd.com/read/28243331/association-of-mtrr-a66g-polymorphism-with-cancer-susceptibility-evidence-from-85-studies
#16
Ping Wang, Sanqiang Li, Meilin Wang, Jing He, Shoumin Xi
Methionine synthase reductase (MTRR) is a key regulatory enzyme involved in the folate metabolic pathway. Previous studies investigating the association of MTRR A66G polymorphism with cancer susceptibility reported inconclusive results. We performed the current meta-analysis to obtain a more precise estimation of the possible association. Published literatures were identified from PubMed, Embase and CBM databases up to October 2016. The strength of the association between the MTRR A66G polymorphism and cancer susceptibility was assessed using odds ratios (ORs) and the corresponding 95% confidence intervals (CIs)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28241978/high-prevalence-of-cachexia-in-newly-diagnosed-head-and-neck-cancer-patients-an-exploratory-study
#17
Harriët Jager-Wittenaar, Pieter U Dijkstra, Gerard Dijkstra, Johan Bijzet, Johannes A Langendijk, Bernard F A M van der Laan, Jan L N Roodenburg
OBJECTIVE: In patients with cancer, weight loss can be related to simple starvation, disturbed metabolism, or both. In patients with head and neck cancer (HNC), weight loss often is attributed to simple starvation because the obvious oral symptoms are known to hinder dietary intake. In this population, cachexia remains a relatively unexplored phenomenon. The aim of this study was to explore the prevalence of cachexia and precachexia in patients with newly diagnosed HNC. METHODS: Fifty-nine patients with newly diagnosed HNC were asked to participate in the prospective cohort study, from which only baseline data were used in the analyses...
March 2017: Nutrition
https://www.readbyqxmd.com/read/28236927/systematic-review-and-meta-analysis-of-postcarotid-endarterectomy-hypertension-after-eversion-versus-conventional-carotid-endarterectomy
#18
REVIEW
Serdar Demirel, Käthe Goossen, Hans Bruijnen, Pascal Probst, Dittmar Böckler
OBJECTIVE: Blood pressure (BP) instability after carotid endarterectomy (CEA) is a risk factor for cerebrovascular and cardiovascular complications. The role of the operative technique in the development of post-CEA hemodynamic instability is unclear. The primary goal of this study was to systematically review the literature to determine whether hypertension in the early postoperative period is dependent on the surgical technique used. METHODS: We searched MEDLINE, Cochrane CENTRAL, and Web of Science through June 2016 without restrictions to language or starting date...
March 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28225689/sex-differences-in-anthropometrics-and-heading-kinematics-among-division-i-soccer-athletes
#19
Abigail C Bretzin, Jamie L Mansell, Ryan T Tierney, Jane K McDevitt
BACKGROUND: Soccer players head the ball repetitively throughout their careers; this is also a potential mechanism for a concussion. Although not all soccer headers result in a concussion, these subconcussive impacts may impart acceleration, deceleration, and rotational forces on the brain, leaving structural and functional deficits. Stronger neck musculature may reduce head-neck segment kinematics. HYPOTHESIS: The relationship between anthropometrics and soccer heading kinematics will not differ between sexes...
March 2017: Sports Health
https://www.readbyqxmd.com/read/28225440/the-effect-of-different-exercise-programs-on-size-and-function-of-deep-cervical-flexor-muscles-in-patients-with-chronic-nonspecific-neck-pain-a-systematic-review-of-randomized-controlled-trials
#20
Somayeh Amiri Arimi, Mohammad Ali Mohseni Bandpei, Khodabakhsh Javanshir, Asghar Rezasoltani, Akbar Biglarian
BACKGROUND: Neck pain is one of the major public health problems, which has a great impact on people's lives. OBJECTIVES: The purpose of this study was to systematically review published studies conducted on the effect of different exercise programs on activity, size, endurance, and strength of deep cervical flexor (DCF) muscles in patients with chronic neck pain. METHODS: The PubMed, Science Direct, OVID, Google scholar, Cochrane Library, and Physiotherapy Evidence Databases were searched to determine relevant articles published from 1990 to March 2016...
February 21, 2017: American Journal of Physical Medicine & Rehabilitation
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