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https://www.readbyqxmd.com/read/29223349/the-effect-of-cerebellar-transcranial-direct-current-stimulation-on-a-throwing-task-depends-on-individual-level-of-task-performance
#1
Nobuaki Mizuguchi, Takashi Katayama, Kazuyuki Kanosue
The effect of cerebellar transcranial direct current stimulation (tDCS) on motor performance remains controversial. Some studies suggest that the effect of tDCS depends upon task-difficulty and individual level of task performance. Here, we investigated whether the effect of cerebellar tDCS on the motor performance depends upon the individual's level of performance. Twenty-four naïve participants practiced dart throwing while receiving 2mA-cerebellar tDCS for 20min under three stimulus conditions (anodal-, cathodal-, and sham-tDCS) on separate days with a double-blind, counter-balanced cross-over design...
December 6, 2017: Neuroscience
https://www.readbyqxmd.com/read/29215738/electronic-cigarette-a-recent-update-of-its-toxic-effects-on-humans
#2
REVIEW
Shu-Jie Huang, Yan-Ming Xu, Andy T Y Lau
Electronic cigarettes (e-cigarettes), battery-powered and liquid-vaporizing devices, were invented to replace the conventional cigarette (c-cigarette) smoking for the sake of reducing the adverse effects on multiple organ systems that c-cigarettes have induced. Although some of the identified harmful components in e-cigarettes were alleged to be measured in lower quantity than those in c-cigarettes, researchers unveiled that the toxic effects of e-cigarettes should not be understated. This review is sought for an attempt to throw light on several typical types of e-cigarette components (tobacco-specific nitrosamines, carbonyl compounds, and volatile organic compounds) by revealing their possible impacts on human bodies through different action mechanisms characterized by alteration of specific biomarkers on cellular and molecular levels...
December 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29209257/the-sound-of-success-investigating-cognitive-and-behavioral-effects-of-motivational-music-in-sports
#3
Paul Elvers, Jochen Steffens
Listening to music before, during, or after sports is a common phenomenon, yet its functions and effects on performance, cognition, and behavior remain to be investigated. In this study we present a novel approach to the role of music in sports and exercise that focuses on the notion of musical self-enhancement (Elvers, 2016). We derived the following hypotheses from this framework: listening to motivational music will (i) enhance self-evaluative cognition, (ii) improve performance in a ball game, and (iii) evoke greater risk-taking behavior...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/29204453/physical-and-functional-differences-in-youth-baseball-players-with-and-without-throwing-related-pain
#4
Elliot M Greenberg, J Todd R Lawrence, Alicia Fernandez-Fernandez, Kshamata Shah, Casey McKenna, Marcus L Rowan, JongMyung Kim, Phillip McClure
Background: Identifying risk factors that contribute to shoulder and elbow pain within youth baseball players is important for improving injury prevention and rehabilitation strategies. Hypothesis: Differences will exist between youth baseball players with and without a history of upper extremity pain on measures related to growth, shoulder performance, and baseball exposure. Study Design: Case-control study; Level of evidence, 3. Methods: A total of 84 youth baseball players were divided into 2 groups based on self-reported history of throwing-related arm pain...
November 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29204165/throwing-the-dart-blind-folded-comparison-of-computed-tomography-versus-magnetic-resonance-imaging-guided-brachytherapy-for-cervical-cancer-with-regard-to-dose-received-by-the-actual-targets-and-organs-at-risk
#5
Winnie Wing Ling Yip, Joyce Siu Yu Wong, Venus Wan Yan Lee, Frank Chi Sing Wong, Stewart Yuk Tung
Purpose: Computed tomography (CT) is inferior to magnetic resonance imaging (MRI) in cervical tumor delineation, but similar in identification of organs at risk (OAR). The trend to over-estimate high-risk and low-risk clinical target volume (HRCTV, IRCTV) on CT can lead to under-estimation of dose received by 90% (D90) of the 'actual' CTV. This study aims to evaluate whether CT-guided planning delivers adequate dose to the 'actual' targets while spares the OAR similarly. Material and methods: MRI-guided high-dose-rate image-guided brachytherapy (IGBT) was performed in 11 patients...
October 2017: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/29201309/little-leaguer-s-shoulder-can-cause-severe-three-dimensional-humeral-deformity
#6
Yuji Hosokawa, Teruhisa Mihata, Yasuo Itami, Masashi Neo, Munekazu Doi
We analyzed three-dimensional (3D) humeral deformity (valgus-varus, flexion-extension, and rotational deformation) after little leaguer's shoulder using 3D computed tomography in a 15-year-old male baseball player. Humeral retroversion was increased by 27.1° on the dominant side compared with the nondominant side. Compared with the nondominant shaft, the dominant humeral shaft was deformed in the varus direction (9.4°), resulting in a decreased neck-shaft angle (dominant side, 127.5°; nondominant side, 135...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29199523/functional-shoulder-ratios-with-high-velocities-of-shoulder-internal-rotation-are-most-sensitive-to-determine-shoulder-rotation-torque-imbalance-a-cross-sectional-study-with-elite-handball-players-and-controls
#7
Marcelo Peduzzi de Castro, Pedro Fonseca, Sara Tribuzi Morais, Márcio Borgonovo-Santos, Eduardo Filipe Cruz Coelho, Daniel Cury Ribeiro, João Paulo Vilas-Boas
The aim of the present study was to determine which approach to calculating shoulder ratios is the most sensitive for determining shoulder torque imbalance in handball players. Twenty-six participants (handball athletes, n = 13; healthy controls, n = 13) performed isokinetic concentric and eccentric shoulder internal rotation (IR) and external rotation (ER) assessment at 60, 180 and 300°/s. We used eight approaches to calculating shoulder ratios: four concentric (i.e. concentric ER torque divided by concentric IR torque), and four functional (i...
December 4, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/29197948/injury-potential-of-thrown-sharp-kitchen-and-household-utensils
#8
Sarah Schaerli, Richard Schulz, Dominic Gascho, Markus Enders, Sandra Baumann, Michael J Thali, Stephan A Bolliger
We examined the possibility of inflicting serious injuries with sharp objects in an experimental setting by throwing four sharp objects from different distances and with different throwing techniques. Using an overarm-handle (OA/H), overarm-blade (OA/B), underarm-handle (UA/H), underarm-blade (UA/B) and thrust (T/H) throwing technique, 10 adults (sex ratio 1:1) threw a chef's knife, a skinning knife, a paring knife and office scissors from 4 m and 2 m distance at synthetic abdomen models made of 10% gelatin covered with synthetic skin...
December 2, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/29193441/therapy-for-antiphospholipid-miscarriages-throwing-the-baby-out-with-the-bathwater
#9
Cecilia Beatrice Chighizola, Yehuda Shoenfeld, Pier Luigi Meroni
PROBLEM: The association of low molecular weight heparin (LMWH) with low-dose aspirin (LDASA) provides the therapeutic cornerstone of obstetric anti-phospholipid syndrome (APS). This combo approach is not effective in all patients, and few women still experience recurrences. METHOD OF STUDY: In an elegant in vitro study, Chiombori Quao and colleagues demonstrated that anti-phospholipid antibodies (aPL) affect the functionality of endometrial endothelial cells interfering with angiogenesis...
November 28, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/29193422/the-effect-of-short-heat-treatment-on-different-properties-of-pet-fiber-using-double-beam-interference-microscopy
#10
T Z N Sokkar, K A El-Farhaty, M A El-Bakary, A M Ali, A A Ahmed
Pluta microscope used to throw light on the effect of heat treatment time on the different properties of poly (ethylene terephthalate) PET fibers. PET fibers were annealed at times ranged from 5 to 30 min at different temperatures (150, 170, 190, 210°C) using two different processes (fast cooling and slow cooling processes) in air. The refractive indices, the shrinkage, orientation factor and crystallinity of PET fibers were determined for different annealing temperature during the short time treatment. The shrinkage percentage and degree of crystallinity increased with increasing the temperature and time of annealing...
November 30, 2017: Microscopy Research and Technique
https://www.readbyqxmd.com/read/29192385/choledocholithiasis-after-bariatric-surgery-more-than-a-stone-s-throw-to-reach
#11
Krishnamurthy Somasekar, David S Y Chan, Nhatuveetil S Sreekumar, Salman Anwer
BACKGROUND: Gallstone disease is common after bariatric surgery, and patients with bile duct stones in this cohort can be difficult to treat, due to the altered anatomy. This review aims to analyse the various management options available for choledocholithiasis in post-bariatric surgery patients. METHODS: A literature search of PubMed, Medline and Cochrane library databases was carried out for studies on this subject, between January 1970 and March 2017. After initial screening and further full text review, suitable studies were identified after applying the inclusion criteria...
November 30, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29192159/light-and-capillary-waves-propagation-in-water-fibers
#12
Mark L Douvidzon, Shai Maayani, Leopoldo L Martin, Tal Carmon
The confinement of light and sound, while they are traveling in fibers, enables a variety of light-matter interactions. Therefore, it is natural to ask if fibers can also host capillary waves. Capillary waves are similar to those we see when throwing a stone into a puddle. Such capillary waves are prohibited in microfluidic devices where the liquid is bounded by solid walls. In contrast, we have fabricated fibers, which are made entirely from water and are suspended in air. The water fiber can therefore move, e...
November 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29191152/the-impact-of-socioeconomic-factors-on-municipal-solid-waste-generation-in-s%C3%A3-o-paulo-brazil
#13
Victor H Argentino de Morais Vieira, Dácio R Matheus
Social factors have not been sufficiently explored in municipal solid waste management studies. Latin America has produced even fewer studies with this approach; technical and economic investigations have prevailed. We explored the impacts of socioeconomic factors on municipal solid waste generation in Greater Sao Paulo, which includes 39 municipalities. We investigated the relations between municipal solid waste generation and social factors by Pearson's correlation coefficient. The Student's t-test (at p ← 0...
October 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/29189583/modeling-fitness-variable-responses-to-training-in-prepubescent-children
#14
Ana R Alves, Carlos Marta, Henrique P Neiva, Célia Nunes, Mikel Izquierdo, Mário C Marques
The aim of this study was to determine strength and oxygen uptake (VO2max) performances according to different training program intervention design with 8-weeks duration in prepubescent children through a multiple linear regression models. Two hundred and forty-five healthy prepubescent children (aged 10.9 ± 0.5 years) were randomly assigned to a specific training program (strength training only - S; aerobic training only - A; intra-session aerobic and strength training - AS; intra-session strength and aerobic training - SA; or concurrent training performed in different sessions - CT) or a control group (no training regimen - C)...
November 16, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29185980/venture-capital-throws-dough-that-could-fix-health-care-woe
#15
Timothy Kelley
Some experts say that investors funding innovative startup companies can disrupt American health care, making it smarter and more efficient. Others warn that incentives must change if VC money is to make a real difference. It's a trend no one in health care can ignore.
November 2017: Managed Care
https://www.readbyqxmd.com/read/29181013/abiotic-stresses-cause-differential-regulation-of-alternative-splice-forms-of-gata-transcription-factor-in-rice
#16
Priyanka Gupta, Kamlesh K Nutan, Sneh L Singla-Pareek, Ashwani Pareek
The GATA gene family is one of the most conserved families of transcription factors, playing a significant role in different aspects of cellular processes, in organisms ranging from fungi to angiosperms. GATA transcription factors are DNA-binding proteins, having a class IV zinc-finger motif CX2CX17-20CX2C followed by a highly basic region and are known to bind a consensus sequence WGATAR. In plants, GATAs are known to be involved in light-dependent gene regulation and nitrate assimilation. However, a comprehensive analysis of these GATA gene members has not yet been highlighted in rice when subjected to environmental stresses...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29180760/detectability-of-breast-tumor-by-a-hand-held-impulse-radar-detector-performance-evaluation-and-pilot-clinical-study
#17
Hang Song, Shinsuke Sasada, Takayuki Kadoya, Morihito Okada, Koji Arihiro, Xia Xiao, Takamaro Kikkawa
In this report, a hand-held impulse-radar breast cancer detector is presented and the detectability of malignant breast tumors is demonstrated in the clinical test at Hiroshima University Hospital, Hiroshima, Japan. The core functional parts of the detector consist of 65-nm technology complementary metal-oxide-semiconductor (CMOS) integrated circuits covering the ultrawideband width from 3.1 to 10.6 GHz, which enable the generation and transmission of Gaussian monocycle pulse (GMP) with the pulse width of 160 ps and single port eight throw (SP8T) switching matrices for controlling the combination of 4 × 4 cross-shaped dome antenna array...
November 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29174999/effect-of-upper-body-plyometric-training-on-physical-performance-in-healthy-individuals-a-systematic-review
#18
REVIEW
Deepika Singla, M Ejaz Hussain, Jamal Ali Moiz
OBJECTIVE: To determine the impact of upper body plyometric training (UBPT) on physical performance parameters such as strength, ball throwing speed, ball throw distance and power in healthy individuals. METHODS: PubMed, Scopus, ResearchGate and ERIC databases were searched up to August 2017. Selection of articles was done if they described the outcomes of an upper body plyometric exercise intervention; included measures of strength, ball throwing speed, ball throw distance, or power; included healthy individuals; used a randomized control trial; and had full text available in English language...
November 11, 2017: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29166930/a-prospective-cohort-study-identifying-risk-factors-for-shoulder-injuries-in-adolescent-elite-handball-players-the-karolinska-handball-study-khast-study-protocol
#19
Martin Asker, Markus Waldén, Henrik Källberg, Lena W Holm, Eva Skillgate
BACKGROUND: Handball is a physical contact sport that includes frequent overhead throwing, and this combination leads to a high rate of shoulder injuries. Several factors have been associated with shoulder injuries in overhead athletes, but strong scientific evidence is lacking for most suggested risk factors. We therefore designed the Karolinska Handball Study (KHAST) with the aim to identify risk factors for shoulder injuries in adolescent male and female elite handball players studying at handball-profiled secondary schools in Sweden...
November 22, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29164165/platelet-rich-plasma-for-primary-treatment-of-partial-ulnar-collateral-ligament-tears-mri-correlation-with-results
#20
J Banks Deal, Ed Smith, Wendell Heard, Michael J O'Brien, Felix H Savoie
Background: Jobe revolutionized the treatment of medial ulnar collateral ligament (MUCL) tears with his reconstruction technique. However, not all MUCL injuries require operative management; Rettig showed that 42% of MUCL injuries respond to conservative management. This was improved by Podesta, who showed that augmentation of nonoperative management with platelet-rich plasma (PRP) and magnetic resonance imaging (MRI) for detecting partial MUCL tears resulted in significantly higher success rates...
November 2017: Orthopaedic Journal of Sports Medicine
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