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https://www.readbyqxmd.com/read/28528435/benefits-of-a-regular-vs-irregular-rhythm-based-training-programme-on-physical-fitness-and-motor-skills-in-obese-girls
#1
Ghazi Racil, Wassim Elmontassar, Imen Rommene, Claire Tourny, Anis Chaouachi, Jeremy B Coquart
PURPOSE: The aim of the current study was to examine the impact of a physical exercise programme including rhythmic elements (regular and irregular tempos) on physiological variables, motor skills (MS), and jump performances in obese girls. METHODS: Thirty-six obese girls (age: 10.4 ± 0.9 years, body mass: 58.7 ± 4.0 kg, height: 1.37 ± 0.04 m, body mass index: 31.2 ± 2.1) participated in three weekly physical exercise sessions for 6 weeks, with each session consisting of basic fundamental locomotor movements...
May 20, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28524683/return-to-the-origin-as-a-probe-of-atomic-phase-coherence
#2
Clément Hainaut, Isam Manai, Radu Chicireanu, Jean-François Clément, Samir Zemmouri, Jean Claude Garreau, Pascal Szriftgiser, Gabriel Lemarié, Nicolas Cherroret, Dominique Delande
We report on the observation of the coherent enhancement of the return probability ["enhanced return to the origin" (ERO)] in a periodically kicked cold-atom gas. By submitting an atomic wave packet to a pulsed, periodically shifted, laser standing wave, we induce an oscillation of ERO in time that is explained in terms of a periodic, reversible dephasing in the weak-localization interference sequences responsible for ERO. Monitoring the temporal decay of ERO, we exploit its quantum-coherent nature to quantify the decoherence rate of the atomic system...
May 5, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28522227/promoting-motor-skills-in-low-income-ethnic-children-the-physical-activity-in-linguistically-diverse-communities-paldc-nonrandomized-trial
#3
Anthony D Okely, Louise L Hardy, Marijka Batterham, Phillip Pearson, Kim McKeen, Lauren Puglisi
OBJECTIVES: This study reports the long-term effects of a professional learning program for classroom teachers on fundamental motor skill (FMS) proficiency of primary school students from ethnically diverse backgrounds. DESIGN: A cluster non-randomized trial using a nested cross-sectional design. METHODS: The study was conducted in 8 primary schools located in disadvantaged and culturally diverse areas in Sydney, Australia. The intervention used an action learning framework, with each school developing and implementing an action plan for enhancing the teaching of FMS in their school...
May 8, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28518154/il-17-%C3%AE-%C3%AE-t-cells-as-kick-starters-of-inflammation
#4
REVIEW
Pedro H Papotto, Julie C Ribot, Bruno Silva-Santos
Shortly after the discovery of interleukin 17 (IL-17)-producing CD4(+) helper T cells (TH17 cells), it was found that γδ T cells can also secrete large amounts of this pro-inflammatory cytokine. A decade later, it is now known that IL-17(+) γδ T cells (γδ17 T cells) are often the main providers of IL-17A in various models of inflammatory diseases, while they also contribute to protective immune responses to infectious organisms. Due to an intricate thymic program of differentiation, γδ17 T cells are able to respond faster than TH17 cells do and thus predominate in the early stages of inflammatory responses...
May 18, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28508404/changes-in-biomechanics-of-skiing-at-maximal-velocity-caused-by-simulated-20-km-skiing-race-using-v2-skating-technique
#5
Olli Ohtonen, Stefan J Lindinger, Caroline Göpfert, Walter Rapp, Vesa Linnamo
This study investigated how the fatigue caused by a 20 km simulated skating cross-country skiing race on snow affects the final spurt performance from a biomechanical perspective. Subjects performed a 100 meter maximal skiing trial before and at the end of the simulated race. Cycle characteristics, ground reaction forces from skis and poles, and muscle activity from eight muscles were recorded during each trial. Results showed that subjects were in a fatigued state after the simulated race manifested by 11...
May 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28507960/a-case-report-of-sleeve-fracture-of-the-patella-in-a-shield
#6
Masanori Tsubosaka, Takeshi Makino, Shin-Ichiro Kishimoto, Kohei Yamaura
INTRODUCTION: Sleeve fractures of the patella are rare fractures that only occur in children. The diagnosis is difficult both clinically and radiologically since the distal bony fragment may be too small to be detectable by radiography. A high-riding patella and hemarthrosis are important signs of sleeve fractures. CASE REPORT: A 12-year-old boy was admitted to the emergency room after having felt a severe pain in his left knee on kicking the ground while skateboarding earlier that day...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28503415/kickboxing-power-hour-case-report-of-fifth-metatarsal-apophysitis-iselin-disease-and-its-magnetic-resonance-imaging-features
#7
Nishant Gupta, Komal Sharma, Itisha Bansal, Yogesh Kumar, Daichi Hayashi
Youth now-a-days are getting more involved in mixed martial arts, with increasing number of cases of lateral foot pain due to various causes. The differential diagnoses of lateral foot pain in the pediatric population include avulsion fracture of the fifth metatarsal base, Jones fracture, diaphyseal stress fracture as well as os vesalianum pedis. We present a case of a 15-year-old athletic boy who presented with left lateral foot pain for a few weeks. The patient was actively involved in Kickboxing as well as active running...
April 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28501732/asymmetrical-stabilization-and-mobilization-exploited-during-static-single-leg-stance-and-goal-directed-kicking
#8
Adam C King, Zheng Wang
The motor control properties of the right and left legs are dependent on the stabilization and mobilization features of the motor tasks. The current investigation examined the right and left leg control differences - interlateral asymmetries - during static single leg stance and dynamic goal directed kicking with an emphasis of the asymmetrical stabilization and mobilization components of movements. Ten young, healthy, right-leg preferred individuals with minimal kicking experience completed both tests on each limb...
May 11, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28498690/nonexponential-decoherence-and-subdiffusion-in-atom-optics-kicked-rotor
#9
Sumit Sarkar, Sanku Paul, Chetan Vishwakarma, Sunil Kumar, Gunjan Verma, M Sainath, Umakant D Rapol, M S Santhanam
Quantum systems lose coherence upon interaction with the environment and tend towards classical states. Quantum coherence is known to exponentially decay in time so that macroscopic quantum superpositions are generally unsustainable. In this work, slower than exponential decay of coherences is experimentally realized in an atom-optics kicked rotor system subjected to nonstationary Lévy noise in the applied kick sequence. The slower coherence decay manifests in the form of quantum subdiffusion that can be controlled through the Lévy exponent...
April 28, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28494320/can-segmental-model-reductions-quantify-whole-body-balance-accurately-during-dynamic-activities
#10
Parunchaya Jamkrajang, Mark A Robinson, Weerawat Limroongreungrat, Jos Vanrenterghem
When investigating whole-body balance in dynamic tasks, adequately tracking the whole-body centre of mass (CoM) or derivatives such as the extrapolated centre of mass (XCoM) can be crucial but add considerable measurement efforts. The aim of this study was to investigate whether reduced kinematic models can still provide adequate CoM and XCoM representations during dynamic sporting tasks. Seventeen healthy recreationally active subjects (14 males and 3 females; age, 24.9±3.2years; height, 177.3±6.9cm; body mass 72...
April 28, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28493405/australian-urban-indigenous-smokers-perspectives-on-nicotine-products-and-tobacco-harm-reduction
#11
Kym Yuke, Pauline Ford, Wendy Foley, Allyson Mutch, Lisa Fitzgerald, Coral Gartner
INTRODUCTION AND AIMS: Indigenous Australians experience a significant gap in life expectancy compared with non-Indigenous Australians. Indigenous communities have high-smoking prevalence and low engagement with cessation therapies. This qualitative research, conducted in an urban Australian Indigenous community, explored smokers' views on smoking, quitting and engagement with current nicotine replacement therapies. Opinions on acceptability of tobacco harm reduction were sought. We explored the acceptability of novel nicotine products, that is, new or unfamiliar products, including non-therapeutic options, such as e-cigarettes...
May 10, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28492533/gene-patents-still-alive-and-kicking-their-impact-on-provision-of-genetic-testing-for-long-qt-syndrome-in-the-canadian-public-health-care-system
#12
Sarah E Ali-Khan, E Richard Gold
PurposeAlthough the Supreme Court of the United States limited their availability in Association for Molecular Pathology v. Myriad Genetics, gene patents remain important around the world. We examine the situation in Canada, where gene patents continue to exist, in light of recent litigation relating to familial long QT syndrome (LQTS).MethodsWe conducted in-depth semistructured interviews with 25 stakeholders across five Canadian provinces and supplemented this with a case analysis of the litigation.ResultsThe majority of LQTS testing was carried out outside Canada...
May 11, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28488737/angiotensin-ii-signalling-kicks-out-p27-kip1-casein-kinase-2-augmentation-of-cav-1-2-l-type-ca-2-channel-activity-in-immature-ventricular-cardiomyocytes
#13
Mary C Horne, Johannes W Hell
Ca(2+) influx via the L-type Ca(2+) channel Cav 1.2 triggers our heartbeat. Perinatally and particularly at birth, angiotensin II is produced to augment necessary physiological changes in blood flow such as pulmonary perfusion. This article is protected by copyright. All rights reserved.
May 9, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28485189/the-effects-of-sleep-deprivation-on-soccer-skills
#14
Ståle Pallesen, Hilde Stokvold Gundersen, Morten Kristoffersen, Bjørn Bjorvatn, Eirunn Thun, Anette Harris
Many athletes sleep poorly due to stress, travel, and competition anxiety. In the present study, we investigated the effects of sleep deprivation on soccer skills (juggling, dribbling, ball control, continuous kicking, 20 and 40 m sprint, and 30 m sprint with changes of direction). In all, 19 male junior soccer players (14-19 years old) were recruited and participated in a cross-balanced experimental study comprising two conditions; habitual sleep and 24 hours sleep deprivation. In both conditions, testing took place between 8 a...
January 1, 2017: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/28479281/explaining-match-outcome-and-ladder-position-in-the-national-rugby-league-using-team-performance-indicators
#15
Carl T Woods, Wade Sinclair, Sam Robertson
OBJECTIVES: To examine the extent at which match outcome and ladder position could be explained using team performance indicators in the National Rugby League (NRL). METHODS: The dataset consisted of 13 performance indicators acquired from each NRL team across the 2016 season (n=376 observations). Data was sorted according to apriori match outcome (win/loss) and ladder position (one to 16). Given the binary and categorical nature of the response variables, two analysis approaches were used; a conditional interference classification tree and ordinal regression...
April 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28476863/maize-transposon-storm-kicks-up-a-white-cap
#16
Thomas Peterson
No abstract text is available yet for this article.
May 2017: Genetics
https://www.readbyqxmd.com/read/28474905/semiclassical-identification-of-periodic-orbits-in-a-quantum-many-body-system
#17
Maram Akila, Daniel Waltner, Boris Gutkin, Petr Braun, Thomas Guhr
While a wealth of results has been obtained for chaos in single-particle quantum systems, much less is known about chaos in quantum many-body systems. We contribute to recent efforts to make a semiclassical analysis of such systems feasible, which is nontrivial due to the exponential proliferation of orbits with increasing particle number. Employing a recently discovered duality relation, we focus on the collective, coherent motion that together with the also present incoherent one typically leads to a mixture of regular and chaotic dynamics...
April 21, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28473959/effect-of-a-specialized-injury-prevention-program-on-static-balance-dynamic-balance-and-kicking-accuracy-of-young-soccer-players
#18
Ayelet Dunsky, Ido Barzilay, Orly Fox
AIM: To study the effect of balance intervention program using the "FIFA 11+" program on static and dynamic balance and kicking accuracy of young soccer players. METHODS: Twenty young soccer players were allocated to experimental (n = 10) or control (n = 10) groups. The experimental group performed the "FIFA 11+" program three times a week for six weeks. The control group performed their normal warm-up routine. The primary outcomes were measured pre and post intervention, and assessed kicking accuracy, static balance and dynamic balance...
April 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28471337/childhood-maltreatment-and-child-protective-services-involvement-among-the-commercially-sexually-exploited-a-comparison-of-women-who-enter-as-juveniles-or-as-adults
#19
Andrea N Cimino, Elissa E Madden, Kris Hohn, Courtney M Cronley, Jaya B Davis, Karen Magruder, M Alexis Kennedy
A risk for commercial sexual exploitation is childhood maltreatment. It's unknown whether juveniles in commercial sexual exploitation experience more childhood maltreatment than adults or how involved child protective services is in investigating maltreatment, a focus of this study. Women (N = 96) who sold sex commercially completed a cross-sectional questionnaire. Descriptive statistics, t tests, chi-squares, and odds ratios were used to examine differences in background, childhood maltreatment, and child protective services involvement by juvenile or adult entry...
April 2017: Journal of Child Sexual Abuse
https://www.readbyqxmd.com/read/28456165/localized-shear-generates-three-dimensional-transport
#20
Lachlan D Smith, Murray Rudman, Daniel R Lester, Guy Metcalfe
Understanding the mechanisms that control three-dimensional (3D) fluid transport is central to many processes, including mixing, chemical reaction, and biological activity. Here a novel mechanism for 3D transport is uncovered where fluid particles are kicked between streamlines near a localized shear, which occurs in many flows and materials. This results in 3D transport similar to Resonance Induced Dispersion (RID); however, this new mechanism is more rapid and mutually incompatible with RID. We explore its governing impact with both an abstract 2-action flow and a model fluid flow...
April 2017: Chaos
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