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https://www.readbyqxmd.com/read/28644113/the-importance-and-development-of-ball-control-and-self-reported-self-regulatory-skills-in-basketball-players-for-different-positions
#1
Sanne Cornelia Maria Te Wierike, Barbara Catharina Helena Huijgen, Laura Jonker, Marije Titia Elferink-Gemser, Chris Visscher
This study first investigated the importance of ball control and (self-reported) self-regulatory skills in achieving the elite level in basketball. The second aim was to gain insight into the development of, and association between ball control and (self-reported) self-regulatory skills that contribute to achieving the elite level, with taking into account positional differences. Talented male players (N = 73; age 16.56 ± 1.96) completed the STARtest to measure ball control and a questionnaire to measure (self-reported) self-regulation from 2008-2012...
June 23, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28642567/mouthguard-use-may-reduce-dentofacial-injuries-in-field-hockey-players
#2
Kelvin I Afrashtehfar, Jason Chung
Data sourcesPubMed, Embase, OvidSP, Web of Science, Cochrane and CINAHL databases were searched up to February 2015 with no language restrictions.Study selectionTwo review authors independently assessed tiles and abstracts of the retrieved case-control, cohorts and cross-sectional studies. For the studies to have been included in the meta-analysis, they must have included the total number of hockey players reporting at least one dentofacial injury, the total number of these injuries compared with other types of injuries and quantitative data on characteristics of dentofacial injuries...
June 23, 2017: Evidence-based Dentistry
https://www.readbyqxmd.com/read/28642223/performing-high-level-sport-is-strongly-associated-with-urinary-incontinence-in-elite-athletes-a-comparative-study-of-372-elite-female-athletes-and-372-controls
#3
Alice Carvalhais, Jorge Renato Natal, Kari Bø
OBJECTIVE: To evaluate the prevalence of urinary incontinence (UI) in female elite athletes compared with controls and to investigate potential risk factors for UI among elite athletes. METHODS: This cross-sectional study included 372 elite athletes (athletes group, AG) and 372 age-matched controls (control group, CG). The median age was low (19 years) and the vast majority were nulliparous. Potential risk factors, including clinical, demographic and sports practice characteristics, were collected by using a questionnaire...
June 22, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28639440/the-relationship-between-jumping-performance-isokinetic-strength-and-dynamic-postural-control-in-elite-youth-soccer-players
#4
Robert Śliwowski, Monika Grygorowicz, Andrzej Wieczorek, Łukasz Jadczak
BACKGROUND: The aim of this study was (i) to investigate the relationship between vertical jumping performance, isokinetic strength of knee extensors/flexors, and postural priority and (ii) an attempt to describe a multiple regression model that accounts for the effects of selected parameters of isokinetic strength and postural priority on vertical jumping performance. METHODS: Thirty-one professional male soccer players, aged from 17 to 20 years, participated in this study (mean age: ± SD 18,6 ± 1...
June 21, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28635630/development-of-a-high-density-snp-based-linkage-map-and-detection-of-qtl-for-%C3%AE-glucans-protein-content-grain-yield-per-spike-and-heading-time-in-durum-wheat
#5
Ilaria Marcotuli, Agata Gadaleta, Giacomo Mangini, Antonio Massimo Signorile, Silvana Addolorata Zacheo, Antonio Blanco, Rosanna Simeone, Pasqualina Colasuonno
High-density genetic linkage maps of crop species are particularly useful in detecting qualitative and quantitative trait loci for important agronomic traits and in improving the power of classical approaches to identify candidate genes. The aim of this study was to develop a high-density genetic linkage map in a durum wheat recombinant inbred lines population (RIL) derived from two elite wheat cultivars and to identify, characterize and correlate Quantitative Trait Loci (QTL) for β-glucan, protein content, grain yield per spike and heading time...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28632066/differences-in-trunk-and-thigh-muscle-strength-endurance-and-thickness-between-elite-sailors-and-non-sailors
#6
Bernd Friesenbichler, Julia F Item-Glatthorn, Fabian Neunstöcklin, Nicola C Casartelli, Gaël Guilhem, Nicola A Maffiuletti
Dinghy sailors lean their upper body over the windward side of the boat ('hiking') to keep the boat's balance and maximise its speed. Sustaining the hiking position is essential for competitive performance and this study examined sport-specific differences of muscles relevant for hiking in elite sailors. Knee extensor muscle strength as well as trunk muscle strength, muscle endurance and muscle thickness were assessed in elite dinghy sailors (n = 15) and compared to matched, non-sailing controls (n = 15)...
March 1, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28615199/impaired-downregulation-of-nkg2d-ligands-by-nef-protein-from-elite-controllers-sensitizes-hiv-1-infected-cells-to-adcc
#7
Nirmin Alsahafi, Jonathan Richard, Jérémie Prévost, Mathieu Coutu, Nathalie Brassard, Matthew S Parsons, Daniel E Kaufmann, Mark Brockman, Andrés Finzi
HIV-1 Nef clones isolated from a rare subset of HIV-1-infected elite controllers (EC), with the ability to suppress viral load to undetectable levels in the absence of antiretroviral therapy, are unable to fully downregulate CD4 from the plasma membrane of CD4+ T cells. Residual CD4 left at the plasma membrane allows Env-CD4 interaction, which leads to increased exposure of Env CD4-induced epitopes and increases susceptibility of infected cells to antibody-dependent cellular cytotoxicity (ADCC). ADCC is mediated largely by natural killer (NK) cells, which control their activation status through the cumulative signals received through activating and inhibitory receptors...
June 14, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28615147/hiv-specific-b-cell-frequency-correlates-with-neutralization-breadth-in-patients-naturally-controlling-hiv-infection
#8
Angeline Rouers, Jéromine Klingler, Bin Su, Assia Samri, Géraldine Laumond, Sophie Even, Véronique Avettand-Fenoel, Clemence Richetta, Nicodème Paul, Faroudy Boufassa, Laurent Hocqueloux, Hugo Mouquet, Christine Rouzioux, Olivier Lambotte, Brigitte Autran, Stéphanie Graff-Dubois, Christiane Moog, Arnaud Moris
HIV-specific broadly neutralizing antibodies (bnAbs) have been isolated from patients with high viremia but also from HIV controllers that repress HIV-1 replication. In these elite controllers (ECs), multiple parameters contribute to viral suppression, including genetic factors and immune responses. Defining the immune correlates associated with the generation of bnAbs may help in designing efficient immunotherapies. In this study, in ECs either positive or negative for the HLA-B*57 protective allele, in treated HIV-infected and HIV-negative individuals, we characterized memory B cell compartments and HIV-specific memory B cells responses using flow cytometry and ELISPOT...
May 31, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28615053/loci-and-candidate-genes-conferring-resistance-to-soybean-cyst-nematode-hg-type-2-5-7
#9
Xue Zhao, Weili Teng, Yinghui Li, Dongyuan Liu, Guanglu Cao, Dongmei Li, Lijuan Qiu, Hongkun Zheng, Yingpeng Han, Wenbin Li
BACKGROUND: Soybean (Glycine max L. Merr.) cyst nematode (SCN, Heterodera glycines I,) is a major pest of soybean worldwide. The most effective strategy to control this pest involves the use of resistant cultivars. The aim of the present study was to investigate the genome-wide genetic architecture of resistance to SCN HG Type 2.5.7 (race 1) in landrace and elite cultivated soybeans. RESULTS: A total of 200 diverse soybean accessions were screened for resistance to SCN HG Type 2...
June 14, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28604654/postural-control-in-elite-decathlon-athletes-are-various-modes-of-dynamic-assessment-needed
#10
Sven Reuter, Philipp Forkel, Andreas B Imhoff, Knut Beitzel
BACKGROUND: Decathlon consists of various track and field running, jumping and throwing events. This results in high physical demands and poor postural control may predispose athletes at a higher risk for injury. The purpose of this study was to measure and to show a relationship of different dynamic postural control tests in healthy professional decathlon athletes. METHODS: The German top decathlon team (eight professional athletes, mean age±standard deviation (SD), 20...
July 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28604502/the-association-of-hiv-1-gag-specific-igg-antibodies-with-natural-control-of-hiv-1-infection-in-individuals-not-carrying-hla-b-57-01-is-only-observed-in-viremic-controllers
#11
M Christian Tjiam, Mazmah A Morshidi, Lucy Sariputra, Jeffrey N Martin, Steven G Deeks, Dino Tan, Silvia Lee, Sonia Fernandez, Martyn A French
To expand upon our previous observation that HIV-1 Gag-specific IgG antibodies were highest in HIV controllers not carrying HLA-B*57:01, we analysed these antibodies in a larger cohort of viremic controllers (VCs) or elite controllers (ECs) considering carriage of 'protective' HLA-B alleles. HIV-1 p24-specific IgG1 and IgG2 antibodies were higher only in HLA-B*57:01 VCs but there were no differences in ECs. Associations of HIV-1 gp140-specific IgG antibodies with HLA-B*57:01 carriage were inconsistent amongst VCs and ECs...
June 9, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28599015/torso-and-bowing-arm-three-dimensional-joint-kinematics-of-elite-cellists-clinical-and-pedagogical-implications-for-practice
#12
Luke Hopper, Cliffton Chan, Suzanne Wijsman, Timothy Ackland, Peter Visentin, Jacqueline Alderson
BACKGROUND: Elite cello playing requires complex and refined motor control. Cellists are prone to right shoulder and thoracolumbar injuries. Research informing injury management of cellists and cello pedagogy is limited. The aims of this study were to quantify the torso, right shoulder, and elbow joint movement used by elite cellists while performing a fundamental playing task, a C major scale, under two volume conditions. METHODS: An eight degrees of freedom upper limb biomechanical model was applied to 3D motion capture data of the torso, upper arm, and forearm for 31 cellists with a mean experience of 19...
June 2017: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/28584902/quantitative-trait-loci-analysis-of-melon-cucumis-melo-l-domestication-related-traits
#13
Aurora Díaz, Ana Montserrat Martín-Hernández, Ramón Dolcet-Sanjuan, Ana Garcés-Claver, José María Álvarez, Jordi Garcia-Mas, Belén Picó, Antonio José Monforte
Loci on LGIV, VI, and VIII of melon genome are involved in the control of fruit domestication-related traits and they are candidate to have played a role in the domestication of the crop. The fruit of wild melons is very small (20-50 g) without edible pulp, contrasting with the large size and high pulp content of cultivated melon fruits. An analysis of quantitative trait loci (QTL) controlling fruit morphology domestication-related traits was carried out using an in vitro maintained F2 population from the cross between the Indian wild melon "Trigonus" and the western elite cultivar 'Piel de Sapo'...
June 5, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28581692/examining-the-effects-of-rational-emotive-behavior-therapy-rebt-on-performance-outcomes-in-elite-paralympic-athletes
#14
Andrew G Wood, Jamie B Barker, Martin Turner, David Sheffield
Traditionally a psychotherapeutic intervention, Rational Emotive Behavior Therapy (REBT) is receiving increasing attention within the extant literature as an intervention to enhance the athletic performance and psychological wellbeing of competitive athletes. Whilst the benefits of REBT on psychological health are established, less is understood about the effects on athletic performance. The present study aimed to examine the immediate and maintained effects of REBT on physiological, psychological, and performance outcomes with elite Paralympic athletes...
June 5, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28580462/does-tack-curing-luting-cements-affect-the-final-cure
#15
Daniel Stegall, Daranee Tantbirojn, Jorge Perdigão, Antheunis Versluis
PURPOSE: Short initial light curing or "tack curing" is used to create a semi-gel state in luting cements for easier excess material cleanup. The effect of tack curing on the final cure of luting cements was measured in terms of hardness. MATERIALS AND METHODS: Three cement types were tested: two dual-curing composite cements (RelyX Unicem 2; Maxcem Elite); three light-curing veneer cements (Choice 2; Variolink Esthetic LC; RelyX Veneer); and two self-curing resin-modified glass-ionomer (RMGI) luting cements (RelyX Luting Plus; Nexus RMGI)...
June 2, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28571017/can-we-better-integrate-the-role-of-anti-doping-in-sports-and-society-a-psychological-approach-to-contemporary-value-based-prevention
#16
Andrea Petróczi, Paul Norman, Sebastian Brueckner
In sport, a wide array of substances with established or putative performance-enhancing properties is used. Most substances are fully acceptable, whilst a defined set, revised annually, is prohibited; thus, using any of these prohibited substances is declared as cheating. In the increasingly tolerant culture of pharmacological and technical human enhancements, the traditional normative approach to anti-doping, which involves telling athletes what they cannot do to improve their athletic ability and performance, diverges from the otherwise positive values attached to human improvement and enhancement in society...
2017: Medicine and Sport Science
https://www.readbyqxmd.com/read/28567664/qtl-mapping-and-comparative-genome-analysis-of-agronomic-traits-including-grain-yield-in-winter-rye
#17
Bernd Hackauf, Stefan Haffke, Franz Joachim Fromme, Steffen R Roux, Barbara Kusterer, Dörthe Musmann, Andrzej Kilian, Thomas Miedaner
Genetic diversity in elite rye germplasm as well as F 2:3 testcross design enables fast QTL mapping to approach genes controlling grain yield, grain weight, tiller number and heading date in rye hybrids. Winter rye (Secale cereale L.) is a multipurpose cereal crop closely related to wheat, which offers the opportunity for a sustainable production of food and feed and which continues to emerge as a renewable energy source for the production of bioethanol and biomethane. Rye contributes to increase agricultural crop species diversity particularly in Central and Eastern Europe...
May 31, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28566807/specific-physical-trainability-in-elite-young-soccer-players-efficiency-over-6-weeks-in-season-training
#18
M Chtara, M Rouissi, M Haddad, H Chtara, A Chaalali, A Owen, K Chamari
The aim of the present study was to compare the effects of 3 training protocols (plyometric [PLYO], agility [AG], or repeated shuttle sprints [RS]) on physical performance in the same population of young soccer players. Forty-two youth-level male players (13.6±0.3-years; 1.65±0.07 m; 54.1±6.5 kg; body fat: 12.8±2.6%) participated in a short-term (6-week) randomized parallel fully controlled training study (pre-to-post measurements): PLYO group, n=10; AG group, n=10; RS group, n=12; and control group [CON] n=10...
June 2017: Biology of Sport
https://www.readbyqxmd.com/read/28548976/effect-of-prior-injury-on-changes-to-biceps-femoris-architecture-across-an-afl-season
#19
Ryan G Timmins, Matthew N Bourne, Jack T Hickey, Nirav Maniar, Paul J Tofari, Morgan D Williams, David A Opar
PURPOSE: To assess in-season alterations of biceps femoris long head (BFlh) fascicle length in elite Australian footballers with and without a history of HSI. METHODS: Thirty elite Australian football players were recruited. Twelve had a history of unilateral HSI. Eighteen had no HSI history. All had their BFlh architecture assessed at approximately monthly intervals, six times across a competitive season. RESULTS: The previously injured limb's BFlh fascicles increased from the start of the season and peaked at week 5...
May 25, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28548390/a-step-towards-removing-plasma-volume-variance-from-the-athlete-s-biological-passport-the-use-of-biomarkers-to-describe-vascular-volumes-from-a-simple-blood-test
#20
Louisa M Lobigs, Pierre-Edouard Sottas, Pitre C Bourdon, Zoran Nikolovski, Mohamed El-Gingo, Evdokia Varamenti, Peter Peeling, Brian Dawson, Yorck O Schumacher
The haematological module of the Athlete's Biological Passport (ABP) has significantly impacted the prevalence of blood manipulations in elite sports. However, the ABP relies on a number of concentration-based markers of erythropoiesis, such as haemoglobin concentration ([Hb]), which are influenced by shifts in plasma volume (PV). Fluctuations in PV contribute to the majority of biological variance associated with volumetric ABP markers. Our laboratory recently identified a panel of common chemistry markers (from a simple blood test) capable of describing ~67% of PV variance, presenting an applicable method to account for volume shifts within antidoping practices...
May 26, 2017: Drug Testing and Analysis
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