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https://www.readbyqxmd.com/read/28813506/global-and-local-disturbances-interact-to-modify-seagrass-palatability
#1
Rocío Jiménez-Ramos, Luis G Egea, María J Ortega, Ignacio Hernández, Juan J Vergara, Fernando G Brun
Global change, such as warming and ocean acidification, and local anthropogenic disturbances, such as eutrophication, can have profound impacts on marine organisms. However, we are far from being able to predict the outcome of multiple interacting disturbances on seagrass communities. Herbivores are key in determining plant community structure and the transfer of energy up the food web. Global and local disturbances may alter the ecological role of herbivory by modifying leaf palatability (i.e. leaf traits) and consequently, the feeding patterns of herbivores...
2017: PloS One
https://www.readbyqxmd.com/read/28808472/successful-ultra-conservative-management-of-a-mandibular-premolar-with-dens-invaginatus
#2
Ramin Abazarpour, Masoud Parirokh, Aida Farhadi, Zahra Jalali, Nasir Kheirabadi
Dens invaginatus is one of the most common anomalies of tooth structure. It is caused by the invagination of the crown surface during odontogenesis that enters the pulp chamber of the affected tooth. Depending on the complexity of invagination, the tooth might present with pulp necrosis, open apex and a complicated root canal system. This case report presents an Oehlers' type 2 dens-invaginatus in a mandibular premolar with chronic apical abscess. In most cases, dens invaginatus is removed during treatment...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28806436/effectiveness-of-a-timing-and-coordination-group-exercise-program-to-improve-mobility-in-community-dwelling-older-adults-a-randomized-clinical-trial
#3
Jennifer S Brach, Subashan Perera, Sandra Gilmore, Jessie M VanSwearingen, Deborah Brodine, Neelesh K Nadkarni, Edmund Ricci
Importance: Timing and coordination exercises may be an important addition to community-based health promotion exercise programs to improve walking in older adults. Objective: To compare the effectiveness of the On the Move group exercise program, which focuses on the timing and coordination of movement, with a seated strength, endurance, and flexibility program (usual care) at improving function, disability, and walking ability of older adults. Design, Setting, and Participants: Cluster-randomized, single-blind intervention trial...
August 14, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28806100/including-the-copenhagen-adduction-exercise-in-the-fifa-11-provides-missing-eccentric-hip-adduction-strength-effect-in-male-soccer-players-a-randomized-controlled-trial
#4
Joar Harøy, Kristian Thorborg, Andreas Serner, André Bjørkheim, Linn E Rolstad, Per Hölmich, Roald Bahr, Thor Einar Andersen
BACKGROUND: The FIFA 11+ was developed as a complete warm-up program to prevent injuries in soccer players. Although reduced hip adduction strength is associated with groin injuries, none of the exercises included in the FIFA 11+ seem to specifically target hip adduction strength. PURPOSE: To investigate the effect on eccentric hip adduction strength of the FIFA 11+ warm-up program with or without the Copenhagen adduction exercise. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28806094/the-relationship-of-throwing-arm-mechanics-and-elbow-varus-torque-within-subject-variation-for-professional-baseball-pitchers-across-82-000-throws
#5
Christopher L Camp, Travis G Tubbs, Glenn S Fleisig, Joshua S Dines, David M Dines, David W Altchek, Brittany Dowling
BACKGROUND: Likely due to the high level of strain exerted across the elbow during the throwing motion, elbow injuries are on the rise in baseball. To identify at-risk athletes and guide postinjury return-to-throw programs, a better understanding of the variables that influence elbow varus torque is desired. PURPOSE: To describe the within-subject relationship between elbow varus torque and arm slot and arm rotation in professional baseball pitchers. STUDY DESIGN: Descriptive laboratory study...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28801960/mri-characterization-of-brown-adipose-tissue-under-thermal-challenges-in-normal-weight-overweight-and-obese-young-men
#6
Jie Deng, Lisa M Neff, Nicholas C Rubert, Bin Zhang, Richard M Shore, Jonathan D Samet, Paige C Nelson, Lewis Landsberg
PURPOSE: To implement quantitative Dixon magnetic resonance imaging (MRI) methods for brown adipose tissue (BAT) characterization at inactive and cold-activated states in normal weight, overweight, and obese subjects. The hypotheses are that MRI characteristics of BAT would differentiate between nonobese and obese subjects, and activation of BAT in response to thermal challenges that are detected by MRI would be correlated with BAT activity measured by positron emission tomography / computed tomography (PET/CT)...
August 11, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28800636/combined-sprint-and-resistance-training-abrogates-age-differences-in-somatotropic-hormones
#7
Maha Sellami, Wissem Dhahbi, Lawrence D Hayes, Johnny Padulo, Fatma Rhibi, Hanen Djemail, Anis Chaouachi
The aim of this investigation was to compare serum growth hormone (GH), insulin-like growth factor-1 (IGF-1) and insulin-like growth factor-binding protein-3 (IGFBP-3) in response to a combined sprint and resistance training (CSRT) program in young and middle-aged men.Thirty-eight healthy, moderately trained men participated in this study. Young and middle-aged men were randomly assigned to, a young training group (YT = 10, 21.4±1.2yrs) ora young control group (YC = 9, 21.6±1.8 yrs), a middle-aged training group (MAT = 10, 40...
2017: PloS One
https://www.readbyqxmd.com/read/28797887/grassland-productivity-and-carbon-sequestration-in-mongolian-grasslands-the-underlying-mechanisms-and-nomadic-implications
#8
Changliang Shao, Jiquan Chen, Housen Chu, Raffaele Lafortezza, Gang Dong, Michael Abraha, Ochirbat Batkhishig, Ranjeet John, Zutao Ouyang, Yaoqi Zhang, Jiaguo Qi
BACKGROUND: Quantifying carbon (C) dioxide exchanges between ecosystems and the atmosphere and the underlying mechanism of biophysical regulations under similar environmental conditions is critical for an accurate understanding of C budgets and ecosystem functions. METHODS: For the first time, a cluster of four eddy covariance towers were set up to answer how C fluxes shift among four dominant ecosystems in Mongolia - meadow steppe (MDW), typical steppe (TPL), dry typical steppe (DRT) and shrubland (SHB) during two growing seasons (2014 and 2015)...
August 7, 2017: Environmental Research
https://www.readbyqxmd.com/read/28793919/prevention-of-diabetes-in-overweight-obese-children-through-a-family-based-intervention-program-including-supervised-exercise-predikid-project-study-protocol-for-a-randomized-controlled-trial
#9
Lide Arenaza, María Medrano, María Amasene, Beatriz Rodríguez-Vigil, Ignacio Díez, Manuel Graña, Ignacio Tobalina, Edurne Maiz, Edurne Arteche, Eider Larrarte, Inge Huybrechts, Catherine L Davis, Jonatan R Ruiz, Francisco B Ortega, Javier Margareto, Idoia Labayen
BACKGROUND: The global pandemic of obesity has led to an increased risk for prediabetes and type-2 diabetes (T2D). The aims of the current project are: (1) to evaluate the effect of a 22-week family based intervention program, including supervised exercise, on insulin resistance syndrome (IRS) risk in children with a high risk of developing T2D and (2) to identify the profile of microRNA in circulating exosomes and in peripheral blood mononuclear cells in children with a high risk of developing T2D and its response to a multidisciplinary intervention program including exercise...
August 10, 2017: Trials
https://www.readbyqxmd.com/read/28789527/is-magnetic-bistability-of-carbenes-a-general-phenomenon-isolation-of-simple-aryl-trifluoromethyl-carbenes-in-both-their-singlet-and-triplet-states
#10
Yetsedaw A Tsegaw, Pritam Eknath Kadam, Niklas Tötsch, Elsa Sanchez-Garcia, Wolfram Sander
p-Tolyl(trifluoromethyl) carbene and the related fluorenyl(trifluoromethyl)carbene were synthesized in solid argon and characterized by IR, UV-vis, and EPR spectroscopy as well as by quantum mechanical calculations. The carbenes can be generated in both their triplet and singlet states, and both states coexist under the conditions of matrix isolation. According to our calculations, the singlet and triplet states of these car-benes are energetically nearly degenerate in the gas phase. Warming of matrices containing pure triplet p-tolyl(trifluoromethyl) carbene from 3 to 25 K leads to an interconversion of up to 20% of the triplet into the singlet state...
August 8, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28783548/influence-of-seasonality-and-vegetation-on-the-attenuation-of-emerging-contaminants-in-wastewater-effluent-dominated-streams-a-preliminary-study
#11
Víctor Matamoros, Yolanda Rodríguez
Treated wastewater from small communities is discharged into rivers or streams with a high biodiversity value. This is particularly important in Mediterranean countries, where most of the streams are dry almost all year round. This preliminary study assessed the occurrence and attenuation of 23 emerging contaminants (ECs) in 4 wastewater-dominated streams in which treated wastewater accounted for the entire stream flow. The concentration of ECs was monitored in the warm and cold seasons in the wastewater treatment plant (WWTP) effluent and at 6 downstream locations...
July 31, 2017: Chemosphere
https://www.readbyqxmd.com/read/28782096/the-prevention-of-musculoskeletal-injuries-in-volleyball-the-systematic-development-of-an-intervention-and-its-feasibility
#12
Vincent Gouttebarge, Marije van Sluis, Evert Verhagen, Johannes Zwerver
BACKGROUND: A scientific research project has started in the Netherlands with the aim of developing and implementing an evidence-based intervention to prevent the occurrence of musculoskeletal injuries among young and adult recreational volleyball players. This article describes (i) the systematic development of the intervention; and (ii) the assessment of its feasibility in terms of relevancy, suitability and usability. SYSTEMATIC DEVELOPMENT OF THE INTERVENTION: The development of the intervention was based on the Intervention Mapping structured and systematic process...
December 2017: Injury Epidemiology
https://www.readbyqxmd.com/read/28776413/the-application-of-one-hour-static-qigong-program-to-decrease-needle-pain-of-korean-adolescents-with-type-1-diabetes-a-randomized-crossover-design
#13
Euiyeon Kim, Ji-Eun Lee, Min Sohn
The aim of this study was to describe application of a static Qigong program to decrease needle pain in Korean adolescents with type 1 diabetes and its pilot test results. The pilot study was a randomized crossover design including 26 adolescents randomized to Qigong or rest group. Participants received a 60-minute Qigong program consisted of warm up, deep breathing, imaginary, and a closing warm up. After 24-hour washout period, treatment assignments were switched. We collected before and after intervention using a self-administered questionnaire, which included the faces pain scale to assess expected and perceived pain during blood sugar testing and insulin injection and the Positive and Negative Affect Schedule...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/28768502/preventing-musculoskeletal-injuries-among-recreational-adult-volleyball-players-design-of-a-randomised-prospective-controlled-trial
#14
Vincent Gouttebarge, Johannes Zwerver, Evert Verhagen
BACKGROUND: Both acute and overuse injuries are common among recreational volleyball players, especially finger/wrist, ankle, shoulder and knee injuries. Consequently, an intervention ('VolleyVeilig') was developed to prevent or reduce the occurrence of finger/wrist, shoulder, knee and ankle injuries among recreational volleyball players. This article describes the design of a study evaluating the effectiveness of the developed intervention on the one-season occurrence of finger/wrist, shoulder, knee and ankle injuries among recreational adult volleyball players...
August 2, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28767739/follicle-development-in-grafted-mouse-ovaries-after-vitrification-processes-under-static-magnetic-field
#15
V K Jasmi, F Samadi, H Eimani, S Hasani, R Fathi, A Shahverdi
BACKGROUND: Ovarian cryopreservation has emerged as an important method of fertility preservation. Magnetic field enhanced cryopreservation has been considered in recent times as a promising type of ovarian cryopreservation but the effectiveness of the process is still not clear. OBJECTIVE: The aim of the present study was to investigate the effect of applying 1-mT SMF (static magnetic field) on the vitrification of ovarian tissue and the follow-up investigation of the morphology and functions of vitrified- warmed ovarian tissue after transplantation...
May 2017: Cryo Letters
https://www.readbyqxmd.com/read/28767655/beluga-whale-summer-habitat-associations-in-the-nelson-river-estuary-western-hudson-bay-canada
#16
Alexander J Smith, Jeff W Higdon, Pierre Richard, Jack Orr, Warren Bernhardt, Steven H Ferguson
To understand beluga whale (Delphinapterus leucas) estuarine use in the Nelson River estuary, southwest Hudson Bay, we recorded and examined beluga movements and habitat associations for the July through August period in 2002-2005. We compared locations of belugas fitted with satellite transmitters ("tags") (2002-2005) and aerial-surveyed (2003 and 2005) belugas for years of differing freshwater flow from the Nelson River which is influenced by hydroelectric activity. Using the beluga telemetry location data, we estimated an early August behavioral shift in beluga distribution patterns from local estuarine use to a progressively more migratory behavior away from the estuary...
2017: PloS One
https://www.readbyqxmd.com/read/28761719/effect-of-a-gluteal-activation-warm-up-on-explosive-exercise-performance
#17
Matt Parr, Phil Db Price, Daniel J Cleather
OBJECTIVES: To evaluate the effect of a gluteal activation warm-up on the performance of an explosive exercise (the high hang pull (HHP)). METHODS: Seventeen professional rugby union players performed one set of three HHPs (with 80% of their one repetition maximum load) following both a control and activation warm-up. Peak electrical activity of the gluteus maximus and medius was quantified using electromyography (EMG). In addition, the kinematics and kinetics of nine players was also recorded using force plate and motion capture technology...
2017: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/28761514/microsurgical-management-of-benign-lesions-interior-to-the-cavernous-sinus-a-case-series
#18
Forhad Hossain Chowdhury, Mohammod Raziul Haque
BACKGROUND: Benign lesion interior to the cavernous sinus (CS) is very rare. OBJECTIVE: In this series we found nonneoplastic lymphatic aggregation and osteoclastoma inside the CS which is very rare and probably not reported in literature. One interesting postoperative complaint of feeling of tickling down of warm water under the skin forehead was found in the patient of inflammatory disease of CS which is not reported in literature. Here we also describe our experiences of microsurgical management of series of benign lesions inside the CS...
July 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28757439/a-comparison-of-robotic-simulation-performance-on-basic-virtual-reality-skills-simulator-subjective-vs-objective-assessment-tools
#19
Ariel K Dubin, Roger Smith, Danielle Julian, Alyssa Tanaka, Patricia Mattingly
STUDY OBJECTIVE: This study aims to answer the question of whether there is a difference between robotic virtual reality simulator performance assessment and validated human reviewers. Current surgical education relies heavily upon simulation. Several assessment tools are available to the trainee, including the actual robotic simulator assessment metrics and the Global Evaluative Assessment of Robotic Skills (GEARS) metrics, both of which have been independently validated. GEARS is a rating scale through which human evaluators can score trainees' performances on six domains: depth perception, bimanual dexterity, efficiency, force sensitivity, autonomy, and robotic control...
July 27, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28755887/brain-temperature-effects-of-intravenous-heroin-state-dependency-environmental-modulation-and-the-effects-of-dose
#20
R Aaron Bola, Eugene A Kiyatkin
Here we examined how intravenous heroin at a dose that maintains self-administration (0.1 mg/kg) affects brain temperature homeostasis in freely moving rats under conditions that seek to mimic some aspects of human drug use. When administered under standard laboratory conditions (quiet rest at 22 °C ambient temperature), heroin induced moderate temperature increases (1.0-1.5 °C) in the nucleus accumbens (NAc), a critical structure of the brain motivation-reinforcement circuit. By simultaneously recording temperatures in the temporal muscle and skin, we demonstrate that the hyperthermic effects of heroin results primarily from inhibition of heat loss due to strong and prolonged skin vasoconstriction...
July 26, 2017: Neuropharmacology
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