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https://www.readbyqxmd.com/read/28431799/an-mri-investigation-of-the-effects-of-user-anatomy-and-wheelchair-cushion-type-on-tissue-deformation
#1
David Brienza, Jaxon Vallely, Patricia Karg, Jonathan Akins, Amit Gefen
AIM OF THE STUDY: Tissue deformation is recognized as an important risk factor for pressure injuries. This study investigated the effects of anatomy and wheelchair cushion type on tissue deformation. MATERIALS AND METHODS: Direct 3-dimensional tissue deformation response was measured for six participants sitting on six different wheelchair cushions using MR imaging. Two participants had a traumatic spinal cord injury (SCI) within one year of the assessment, two sustained traumatic SCI at least 13 years prior, and two were without SCI...
April 11, 2017: Journal of Tissue Viability
https://www.readbyqxmd.com/read/28431622/quantitative-biomechanical-assessment-of-trunk-control-in-huntington-s-disease-reveals-more-impairment-in-static-than-dynamic-tasks
#2
Deb A Kegelmeyer, Sandra K Kostyk, Nora E Fritz, Marianne M Fiumedora, Ajit Chaudhari, Marilly Palettas, Gregory Young, Anne D Kloos
Postural instability is common in individuals with Huntington's disease (HD), yet little is known about control of the trunk during static and dynamic activities. We compared the trunk motion of 41 individuals with HD and 36 controls at thoracic and pelvic levels during sitting, standing, and walking using wearable iPod sensors. We also examined the ability of individuals with HD to respond to an auditory cue to modify trunk position when the pelvis moved >8° in sagittal or frontal planes during sitting using custom software...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28429940/density-functional-theory-and-car-parrinello-molecular-dynamics-study-of-the-hydrogen-producing-mechanism-of-the-co-dmgbf2-2-and-co-dmgh-2-cobaloxime-complexes-in-the-acetonitrile-water-solvent
#3
Jinfan Chen, Patrick H-L Sit
The catalytic hydrogen-producing processes of two prototypical cobaloxime catalysts Co(dmgBF2)2 (dmgBF2=difluoroboryl-dimethylglyoxime) and Co(dmgH)2 (dmgH=dimethylglyoxime), were studied by Density Functional Theory (DFT) and Car-Parrinello molecular dynamics (CPMD) simulations in the explicit acetonitrile-water solvent. Our study demonstrates the key role of water molecules as shuttles to deliver protons to the cobalt active centers of these catalysts. However, the transfer of protons to the cobalt centers also competes with the diffusion of the proton away from the complex via the hydrogen bond network of water...
April 21, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28428836/muscle-function-and-fatigability-of-trunk-flexors-in-males-and-females
#4
Rita E Deering, Jonathon W Senefeld, Tatyana Pashibin, Donald A Neumann, Sandra K Hunter
BACKGROUND: Optimal function of the abdominal muscles is necessary for several life functions including lifting and carrying tasks. Sex differences in strength and fatigability are established for many limb muscles and back extensor muscles, but it is unknown if sex differences exist for the abdominal muscles despite their functional importance. METHODS: Eighteen females (24.3 ± 4.8 years) and 15 males (24.1 ± 6.6 years) performed (1) isometric trunk flexion maximal voluntary contractions (MVCs) in a range of trunk positions to establish a torque-angle curve and (2) submaximal (50% MVC), intermittent isometric contraction (6 s on, 4 s off) until task failure to determine fatigability of the trunk flexor muscles...
2017: Biology of Sex Differences
https://www.readbyqxmd.com/read/28428160/simulated-conversations-with-virtual-humans-to-improve-patient-provider-communication-and-reduce-unnecessary-prescriptions-for-antibiotics-a-repeated-measure-pilot-study
#5
Antoinette Schoenthaler, Glenn Albright, Judith Hibbard, Ron Goldman
BACKGROUND: Despite clear evidence that antibiotics do not cure viral infections, the problem of unnecessary prescribing of antibiotics in ambulatory care persists, and in some cases, prescribing patterns have increased. The overuse of antibiotics for treating viral infections has created numerous economic and clinical consequences including increased medical costs due to unnecessary hospitalizations, antibiotic resistance, disruption of gut bacteria, and obesity. Recent research has underscored the importance of collaborative patient-provider communication as a means to reduce the high rates of unnecessary prescriptions for antibiotics...
April 19, 2017: JMIR Medical Education
https://www.readbyqxmd.com/read/28427655/effect-of-ultrasound-and-enzymatic-pre-treatment-on-yield-and-properties-of-banana-juice
#6
Sandhan Jyoti Bora, Jyotishman Handique, Nandan Sit
Effect of ultrasound and enzymatic pre-treatments with cellulase and pectinase on yield and properties of banana juice were investigated. A two-level full factorial design was employed. The factors selected were ultrasonication time (0 and 30min), cellulase concentration (0 and 0.2%) and pectinase concentration (0 and 0.2%). The responses studied were yield, viscosity, clarity, total soluble solids (TSS) and pH. It was observed that pectinase was more effective in increasing the yield of juice compared to cellulase...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28427356/postural-effects-on-intraocular-pressure-and-ocular-perfusion-pressure-in-patients-with-non-arteritic-anterior-ischemic-optic-neuropathy
#7
Jee Myung Yang, Sang Woo Park, Yong Sok Ji, Jaeryung Kim, Chungkwon Yoo, Hwan Heo
BACKGROUND: To investigate postural effects on intraocular pressure (IOP) and ocular perfusion pressure (OPP) in patients with non-arteritic ischemic optic neuropathy (NAION). METHODS: IOP and blood pressure (BP) were measured in 20 patients with unilateral NAION 10 min after changing to each of the following positions sequentially: sitting, supine, right lateral decubitus position (LDP), supine, left LDP, and supine. IOP was measured using a rebound tonometer and OPP was calculated using formulas based on mean BP...
April 20, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28422556/the-acute-effects-of-breaking-up-seated-office-work-with-standing-or-light-intensity-walking-on-interstitial-glucose-concentration-a-randomised-crossover-trial
#8
Laura A Brocklebank, Rob C Andrews, Angie Page, Catherine L Falconer, Sam Leary, Ashley Cooper
BACKGROUND: The aim of this randomised, three-period, three-treatment crossover trial was to examine the acute effects of regularly breaking up seated office work with short bouts of standing or light-intensity walking on postprandial interstitial glucose concentration. METHODS: Seventeen middle-aged office workers performed three five-hour trial conditions at their workplace in a random order: 1) uninterrupted sitting; 2) sitting interrupted by two minutes of standing every 20 minutes; and 3) sitting interrupted by two minutes of light-intensity walking every 20 minutes...
April 19, 2017: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/28421472/screen-time-other-sedentary-behaviours-and-obesity-risk-in-adults-a-review-of-reviews
#9
REVIEW
Stuart J H Biddle, Enrique Bengoechea García, Zeljko Pedisic, Jason Bennie, Ineke Vergeer, Glen Wiesner
PURPOSE OF REVIEW: The aim of this paper is to assess the association between sedentary behaviours, including screen time, and risk of obesity in adults. A review of 10 systematic reviews was undertaken. RECENT FINDINGS: Available evidence is generally not supportive of associations between sedentary behaviour and obesity in adults. Most studies that found significant associations indicated mostly small effect sizes. Somewhat more consistent associations were shown for screen time (mainly TV viewing), among older adults, and for pre-adult sedentary behaviour to increase the risk of obesity in adulthood...
April 18, 2017: Current Obesity Reports
https://www.readbyqxmd.com/read/28421384/the-efficacy-of-guolin-qigong-on-the-body-mind-health-of-chinese-women-with-breast-cancer-a-randomized-controlled-trial
#10
Pei Liu, Jieshu You, Wing T Y Loo, Youzhi Sun, Yanhua He, Huiping Sit, Lei Jia, Meikuen Wong, Zhiyu Xia, Xiao Zheng, Zhiyu Wang, Neng Wang, Lixing Lao, Jianping Chen
PURPOSE: This study was to evaluate the efficacy of a complementary Chinese treatment modality Guolin-Qigong (GLQG) for patients with breast cancer on the body-mind health. METHODS: A randomized controlled clinical trial was conducted among 158 women with breast cancer. Subjects were randomized to receive GLQG (test group) versus a physical stretching program (control group) following conventional treatment for breast cancer. GLQG and stretching interventions were performed twice a week over 24 weeks...
April 18, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28420589/associations-between-language-acculturation-age-of-immigration-and-obesity-in-the-mexican-american-mano-a-mano-cohort
#11
Matthew Chrisman, Wong-Ho Chow, Carrie R Daniel, Xifeng Wu, Hua Zhao
INTRODUCTION: As Mexican immigrants to the U.S. become acculturated, they face worsening health outcomes such as obesity. The role of language acculturation in the development of obesity has not been thoroughly examined. METHODS: To examine associations between language acculturation and obesity, data were drawn from the Mexican-American Mano A Mano cohort study. Participants aged 20 years and over (n=18,298) completed baseline questionnaires on socio-demographic and behavioural factors, including physical activity and sitting time...
April 15, 2017: Obesity Research & Clinical Practice
https://www.readbyqxmd.com/read/28420562/progression-of-untreated-mild-thoracic-scheuermann-s-kyphosis%C3%A2-%C3%A2-radiographic-and-functional-assessment-after-mean-follow-up-of-46%C3%A2-years
#12
Leena Ristolainen, Jyrki A Kettunen, Urho M Kujala, Ari Heinonen, Dietrich Schlenzka
BACKGROUND: There is no data available on the radiographic development of the Scheuermann's deformity. Our purpose was to investigate radiographic deformity progression and the relation between kyphosis progression and clinical outcome in patients with untreated Scheuermann's kyphosis. METHODS: Thoracic kyphosis (Th4-Th12) was measured from standing lateral radiographs in 19 patients at baseline and after mean 46-year follow-up. Mean age at baseline was 19.2 and at follow-up 64...
April 15, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28418718/socially-interactive-and-passive-technologies-enhance-friendship-quality-an-investigation-of-the-mediating-roles-of-online-and-offline-self-disclosure
#13
Malinda Desjarlais, Jessica J Joseph
Previous studies indicate that characteristics of social-based technologies (STs) stimulate the sharing of intimate information online, which in turn enhances the quality of friendships. In addition, intimate online self-disclosure has been positively associated with offline self-disclosure. One objective of the current study was to combine the literature and test a model which postulates that STs use stimulates online self-disclosure which facilitates offline self-disclosure and, thereby, enhances the quality of close friendships...
April 18, 2017: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/28418172/analgesic-effect-of-clobazam-in-chronic-low-back-pain-but-not-in-experimentally-induced-pain
#14
J Schliessbach, P H Vuilleumier, A Siegenthaler, L Bütikofer, A Limacher, P Juni, H U Zeilhofer, L Arendt-Nielsen, M Curatolo
BACKGROUND: Chronic pain is frequently associated with hypersensitivity of the nervous system, and drugs that increase central inhibition are therefore a potentially effective treatment. Benzodiazepines are potent modulators of GABAergic neurotransmission and are known to exert antihyperalgesic effects in rodents, but translation into patients are lacking. This study investigates the effect of the benzodiazepine clobazam in chronic low-back pain in humans. The aim of this study is to explore the effect of GABA modulation on chronic low-back pain and on quantitative sensory tests...
April 18, 2017: European Journal of Pain: EJP
https://www.readbyqxmd.com/read/28417649/internal-dysregulation-of-the-renin-system-in-patients-with-stable-liver-cirrhosis
#15
Annette Dam Fialla, Helle C Thiesson, Peter Bie, Ove B Schaffalitzky de Muckadell, Aleksander Krag
Sodium retention in cirrhosis is associated with changes in the renin-angiotensin-aldosterone system (RAAS), the sympathetic nervous system (SNS), and the glomerular filtration rate (GFR). We hypothesized that in cirrhosis the acute reactions of RAAS and SNS to volume expansion are qualitatively intact, but occurring from elevated baseline levels. Acute cardiovascular, neurohumoral and renal responses to central blood volume changes were studied in cirrhotic patients and healthy controls. In patients, baseline plasma renin concentration (PRC) was elevated 5-fold compared to controls (p < ...
April 18, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28416827/-comparison-of-the-effects-of-total-hip-arthroplasty-via-direct-anterior-approach-and-posterolateral-piriformis-sparing-approach
#16
J Xu, W D Zhuang, X W Li, G Y Yu, Y Lin, F Q Luo, Y H Xiao
OBJECTIVE: To compare the clinical effects of direct anterior approach (DAA) and posterolateral piriformis-sparing approach (Mis-PLA) for minimally invasive surgery of total hip arthroplasty. METHODS: The patients who had total hip arthroplasty from March 2015 to February 2016 were randomly divided into 2 groups: DAA group and Mis-PLA group. In the study, 43 patients (45 hips) were performed with total hip replacement via the direct anterior approach (DAA group)...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28415993/moving-to-business-changes-in-physical-activity-and-sedentary-behavior-after-multilevel-intervention-in-small-and-medium-size-workplaces
#17
Minna Aittasalo, Matleena Livson, Sirpa Lusa, Ahti Romo, Henri Vähä-Ypyä, Kari Tokola, Harri Sievänen, Ari Mänttäri, Tommi Vasankari
BACKGROUND: Regular physical activity (PA) promotes and excessive sedentary behavior (SB) deteriorates health. Yet the Finnish working-aged population spends most of the day sitting. A 1-year Moving To Business (MTB) -intervention supported small and medium-size workplaces to combat sedentariness. This paper reports the changes in employees' PA and SB from before MTB (baseline) to 1 year after baseline (follow-up). METHODS: Twelve workplaces with a total of 396 employees participated...
April 17, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28415885/fatigue-and-pain-limit-independent-mobility-and-physiotherapy-after-hip-fracture-surgery
#18
Kristine H Münter, Christopher G Clemmesen, Nicolai B Foss, Henrik Palm, Morten T Kristensen
PURPOSE: The patient's ability to complete their planned physiotherapy session after hip fracture surgery has been proposed as an independent predictor for achieving basic mobility independency upon hospital discharge. However, knowledge of factors limiting mobility is sparse. We therefore examined patient reported factors limiting ability to complete planned physiotherapy sessions as well as limitations for not achieving independency in basic mobility early after hip fracture surgery...
April 17, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28413409/self-optical-coherence-tomography-and-angiography
#19
Ahmad M Mansour
PURPOSE: To present a new concept of self-optical coherence tomography (OCT) and self-OCT angiography. METHODS: The operator sits in the patient seat and manipulates the instrument body via the joystick with the dominant hand, while the dominant index is ready to press the capture button and while focusing on the fixation target. One senior ophthalmologist judged various OCT machines for ease of self-scan during a major ophthalmic convention. Separately, self-scans were also captured using a single OCT machine by one senior ophthalmologist and 5 junior optometrists and the scans were analyzed for both centration and image quality value (IQV), and compared to regular scans done by an operator...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28412529/vertical-string-pulling-in-green-jays-cyanocorax-yncas
#20
Héctor Marín Manrique, Adriano-Bruno Chaves Molina, Sandra Posada, Montserrat Colell
The cognition of green jays (Cyanocorax yncas), a non Corvus corvid species, was investigated by using the string-pulling paradigm. Five adult green jays performed a vertical string-pulling task in which they had to retrieve a worm attached to the end of a vertical hanging string while sitting on their perch. In the first experiment, three of the subjects managed to retrieve the worm by pulling on the string with their beaks and stepping on the resulting loop, and thereafter repeating this sequence until the worm was accessible...
April 12, 2017: Behavioural Processes
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