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https://www.readbyqxmd.com/read/29154658/the-development-of-individual-physically-aggressive-behaviors-from-infancy-to-toddlerhood
#1
Michael F Lorber, Tamara Del Vecchio, Amy M Smith Slep
In the present investigation, we studied the development of 6 physically aggressive behaviors in infancy and toddlerhood, posing 3 questions (a) How do the prevalences of individual physically aggressive behaviors change from 8, 15, and 24 months? (b) Are there groups of children who show distinctive patterns in the way individual physically aggressive behaviors develop over time? (c) What are the behavioral pathways leading from 8- to 24-month acts of physical aggression? Mothers and fathers (N = 272) from a moderately at-risk population reported on their children's physical aggression at each time point...
November 20, 2017: Developmental Psychology
https://www.readbyqxmd.com/read/29141374/-association-of-pd-1-tim-3-and-trem-1-single-nucleotide-polymorphisms-with-pulmonary-tuberculosis-susceptibility
#2
F M Wang, X Zhang, L Lan, J M Ji, H B Tang, X J Yao, Y Jiang, J Qian, X G Xu, Q Li, P Yao, J H Li, Y P Shen
Objective: To investigate the association of programmed cell death 1(PD-1), T cell immunoglobulin mucin 3 (TIM-3) and triggering receptor expressed on myeloid cells-1 (TREM-1) genes polymorphisms with pulmonary tuberculosis susceptibility. Methods: In this case-control study, peripheral venous blood of 100 pulmonary tuberculosis patients (pulmonary tuberculosis group) in the Jintan People's Hospital of Changzhou and of community physical examination volunteers (health control group) was collected from Mar 2015 to Sep 2016...
November 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29125560/human-actions-analysis-templates-generation-matching-and-visualization-applied-to-motion-capture-of-highly-skilled-karate-athletes
#3
Tomasz Hachaj, Marcin Piekarczyk, Marek R Ogiela
The aim of this paper is to propose and evaluate the novel method of template generation, matching, comparing and visualization applied to motion capture (kinematic) analysis. To evaluate our approach, we have used motion capture recordings (MoCap) of two highly-skilled black belt karate athletes consisting of 560 recordings of various karate techniques acquired with wearable sensors. We have evaluated the quality of generated templates; we have validated the matching algorithm that calculates similarities and differences between various MoCap data; and we have examined visualizations of important differences and similarities between MoCap data...
November 10, 2017: Sensors
https://www.readbyqxmd.com/read/29123228/host-response-granzyme-b-s-roundhouse-kick-against-bacteria
#4
Ursula Hofer
No abstract text is available yet for this article.
November 10, 2017: Nature Reviews. Microbiology
https://www.readbyqxmd.com/read/29117428/change-in-knee-flexor-torque-after-fatiguing-exercise-identifies-previous-hamstring-injury-in-football-players
#5
Cameron Lord, Fadi Ma'ayah, Anthony J Blazevich
PURPOSE: Muscular fatigue and inter-limb strength asymmetry are factors known to influence hamstring injury risk, however limb-specific exacerbation of knee flexor (hamstrings) torque production after fatiguing exercise has previously been ignored. To investigate changes in muscular force production before and after sport-specific (repeated-sprint) and non-specific (knee extension-flexion) fatiguing exercise, and explore the sensitivity and specificity of isokinetic endurance (i.e. muscle-specific) and single-leg vertical jump (i...
November 8, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29117228/the-pacing-strategy-and-technique-of-male-cross-country-skiers-with-different-levels-of-performance-during-a-15-km-classical-race
#6
Boye Welde, Thomas L Stöggl, Gunnar E Mathisen, Matej Supej, Chiara Zoppirolli, Andreas K Winther, Barbara Pellegrini, Hans-Christer Holmberg
In this study the pacing strategy, cycle characteristics and choice of technique of elite male cross-country (XC) skiers during a three-lap, 15-km classical race with interval start were measured. During the Norwegian Championships in 2016, fast (n = 18, age: 26±4 yr; height: 182±4 cm; body mass: 78±3 kg (means±SD)) and slow skiers (n = 18, age: 22±2 yr; height: 183±5 cm; body mass: 78±6 kg) were video recorded on flat (0°), intermediate (3.5°) and uphill sections (7.1°) of the first and final laps...
2017: PloS One
https://www.readbyqxmd.com/read/29105113/striatal-neurons-get-a-kick-out-of-dopamine
#7
Kenneth Lindegaard Madsen, Jakob Kisbye Dreyer
Dopamine (DA) is critically involved in reinforcement learning and malfunction in dopamine signalling is associated with numerable brain disorders, including ADHD, Parkinson's disease, drug abuse and schizophrenia. This article is protected by copyright. All rights reserved.
November 3, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29099672/rotational-and-linear-head-accelerations-from-taekwondo-kicks-and-punches
#8
Gabriel P Fife, David M O'sullivan, Sae Yong Lee
The purpose was to compare rotational and linear head accelerations as a result of taekwondo kicks and punches. Taekwondo athletes executed five repetitions of the turning kick, spinning hook kick, hook punch, straight punch, and jab punch to a Hybrid III Crash Test Dummy head-neck complex. A tri-axial accelerometer and an angular rate sensor were mounted inside the Hybrid III head to measure resultant linear (RLA) and rotational accelerations. The Hybrid III was fixed to a height-adjustable frame and fitted with protective taekwondo headgear...
November 3, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29093189/the-metabolic-costs-of-fighting-and-host-exploitation-in-a-seed-drilling-parasitic-wasp
#9
Romain P Boisseau, H Arthur Woods, Marlène Goubault
Oviposition sites may be challenging and energetically costly to access for females in the presence of competitors contesting that resource. Additionally, oviposition sites may be difficult to reach, and penetrating a hard substrate can raise energy costs. In the seed-drilling parasitic wasp Eupelmus vuilleti, females actively fight with conspecific competitors over access to hosts. They are often observed laying eggs on already parasitized hosts (superparasitism) living inside cowpea seeds despite the resulting larval competition...
November 1, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29091512/knee-frontal-plane-projection-angle-a-comparison-study-between-drop-vertical-jump-and-step-down-tests-with-young-volleyball-athletes
#10
Gabriel Andrade Paz, Marianna de Freitas Maia, Haroldo Gualter Santana, Humberto Miranda, Vicente Lima, John D Willson
STUDY DESIGN: Observational study. CONTEXT: Altered frontal plane knee mechanics during dynamic tasks have been often associated with lower extremity injuries. Strategies to decrease these risk factors and improve knee joint stability are often applied in rehabilitation and training environments. OBJECTIVE: The purpose of this study was to compare knee joint frontal plane projection angles (FPPA) via two dimensional (2D) video analysis during drop vertical jump (DVJ) and step-down test (SDT) tasks in the preferred and non-preferred limbs of young male and female volleyball players...
November 1, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29083128/acute-neuromuscular-cognitive-and-physiological-responses-to-a-japanese-kickboxing-competition-in-semi-professional-fighters
#11
Giuseppe Cimadoro
BACKGROUND: Japanese kickboxing is a combat sport designed to accommodate fighters from different combat sports styles. However, the physiological profile of this discipline is unknown. Therefore, this study describes the neuromuscular, metabolic and cognitive responses to an official Japanese kickboxing (K-1) fight in 8 kickboxers. METHODS: Measurements before and after the competition involved a simple reaction time test (SRT), countermovement jump (CMJ), blood lactate (BLA) and rating of perceived exertion (RPE)...
October 27, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/29080416/differential-impairments-of-upper-and-lower-limb-movements-influence-action-verb-processing-in-parkinson-disease
#12
Angela Roberts, Peter Nguyen, Joseph B Orange, Mandar Jog, Kelly A Nisbet, Ken McRae
Theories of grounded cognition emphasize the role of the motor system in the processing of action concepts. The present study investigated whether persons with Parkinson disease (PD) who have greater upper versus greater lower limb motor impairments show different patterns of performance when processing action verbs. PD patients and controls made action decisions on upper-limb (reach), lower-limb (kick), and psych verbs (think). The primary result was an interaction between PD motor dominance (PD upper vs lower limb motor impairments) and verb type (upper- vs lower-limb verbs)...
October 6, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29074344/a-comparison-of-game-play-characteristics-between-elite-youth-and-senior-australian-national-rugby-league-competitions
#13
Carl T Woods, Sam Robertson, Wade H Sinclair, Kevin Till, Leesa Pearce, Anthony S Leicht
OBJECTIVES: To compare game-play characteristics between elite youth and senior Australian National Rugby League (NRL) competitions. DESIGN: Longitudinal observational. METHODS: The dataset consisted of 12 team performance indicators (e.g., 'all runs', 'offloads' and 'tackles') extracted from all 2016 national under 20 (U20) competition (elite youth; n=372 observations) and National Rugby League (NRL) (elite senior; n=378 observations) matches...
October 12, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29072152/why-the-concept-of-schizophrenia-is-still-alive-and-kicking
#14
R S Kahn
No abstract text is available yet for this article.
October 26, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/29071472/immune-interventions-to-eliminate-the-hiv-reservoir
#15
Denise C Hsu, Jintanat Ananworanich
Inducing HIV remission is a monumental challenge. A potential strategy is the "kick and kill" approach where latently infected cells are first activated to express viral proteins and then eliminated through cytopathic effects of HIV or immune-mediated killing. However, pre-existing immune responses to HIV cannot eradicate HIV infection due to the presence of escape variants, inadequate magnitude, and breadth of responses as well as immune exhaustion. The two major approaches to boost immune-mediated elimination of infected cells include enhancing cytotoxic T lymphocyte mediated killing and harnessing antibodies to eliminate HIV...
October 26, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/29070869/long-tailed-trions-in-monolayer-mos2-temperature-dependent-asymmetry-and-resulting-red-shift-of-trion-photoluminescence-spectra
#16
Jason W Christopher, Bennett B Goldberg, Anna K Swan
Monolayer molybdenum disulfide (MoS2) has emerged as a model system for studying many-body physics because the low dimensionality reduces screening leading to tightly bound states stable at room temperature. Further, the many-body states possess a pseudo-spin degree of freedom that corresponds with the two direct-gap valleys of the band structure, which can be optically manipulated. Here we focus on one bound state, the negatively charged trion. Unlike excitons, trions can radiatively decay with non-zero momentum by kicking out an electron, resulting in an asymmetric trion photoluminescence (PL) peak with a long low-energy tail and peak position that differs from the zero momentum trion energy...
October 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29064836/beware-of-the-force-of-the-horse-mechanisms-and-severity-of-equestrian-related-injuries
#17
Pieter-Jan Van Balen, Dennis G Barten, Loes Janssen, Audrey A A Fiddelers, Peter R Brink, Heinrich M J Janzing
BACKGROUND: Equestrian-related injuries (ERIs) are relatively severe compared with injuries in other popular sports. Previous studies on epidemiology of ERIs vary widely and mainly focus on incidence instead of severity of the injury. PURPOSE: The aim of this study was to determine incidence, mechanisms and severity of ERIs in two Dutch hospitals (level 1 and level 2 trauma centers) over a 5-year period. PATIENTS AND METHODS: All patients with ERIs who visited the emergency departments of VieCuri Medical Centre in Venlo and Maastricht University Medical Centre+ in Maastricht, The Netherlands, between July 2010 and June 2015 were retrospectively included...
October 23, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/29063943/real-space-imaging-of-translational-and-rotational-dynamics-of-hard-spheres-from-the-fluid-to-the-crystal
#18
Stefan Schütter, Jörg Roller, Andrea Kick, Janne-Mieke Meijer, Andreas Zumbusch
Using real-space imaging of single particles, we investigate the interplay between translational and rotational motion of tracer particles in suspensions of colloidal particles over a wide range of volume fractions from dilute fluid to densely packed crystal. To this end, we introduce a new type of spherical colloidal tracer particles containing two differently labelled fluorescent cores. The tracer particles can be combined with host particles enclosing a single fluorescent core and chemical and physical properties identical to the tracers...
November 15, 2017: Soft Matter
https://www.readbyqxmd.com/read/29056781/the-effect-of-sporting-events-on-medical-transport-time-at-a-level-1-trauma-center-a-retrospective-cohort-study
#19
Patrick Bonasso, Brandon P Lucke-Wold, Mark Riffon, Dustin Long, Alison Wilson, Jennifer Knight
OBJECTIVE: We investigate how West Virginia University football games affect transport to Ruby Memorial Hospital, which shares a parking lot with Milan Puskar Football Stadium. METHODS: A retrospective chart review of a trauma registry from a level 1-trauma center was conducted from 2007 to 2011 for all home and away football games. Home games served as time period of interest and away games served as a control time period. Patient charts were collected for a 36-hour time window surrounding the game...
May 2017: West Virginia Medical Journal
https://www.readbyqxmd.com/read/29053722/impact-of-water-deficit-stress-on-tritrophic-interactions-in-a-wheat-aphid-parasitoid-system
#20
Syed Suhail Ahmed, Deguang Liu, Jean-Christophe Simon
Increasing temperature and CO2 concentrations can alter tritrophic interactions in ecosystems, but the impact of increasingly severe drought on such interactions is not well understood. We examined the response of a wheat-aphid-parasitoid system to variation in water-deficit stress levels. Our results showed that arid area clones of the aphid, Sitobion avenae (Fabricius), tended to have longer developmental times compared to semiarid and moist area clones, and the development of S. avenae clones tended to be slower with increasing levels of water-deficit...
2017: PloS One
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