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https://www.readbyqxmd.com/read/27893474/hypertrophy-and-explosive-reactive-functioning-in-sedentary-men-following-10-weeks-of-whole-body-vibration
#1
Jens Ebing, Ulf Gast, Christoph Hauptmann, Dieter Felsenberg, Daniel L Belavý
The objective of this study was to determine the impact of vertical (Power-plate; POW) and side-alternating (Galileo; GAL) whole-body vibration exercise on muscle mass and lower-limb neuromuscular function. Forty-three sedentary male subjects (18-30yr) randomized into three groups underwent two upper-body exercise sessions per week for 10 weeks. Two groups of subjects underwent additional squat exercises on the GAL (N=15) or POW (N=14) devices. The third group was control. On magnetic resonance imaging, volume of the thigh muscles was measured...
November 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27884172/spatial-distribution-and-trypanosome-infection-of-tsetse-flies-in-the-sleeping-sickness-focus-of-zimbabwe-in-hurungwe-district
#2
William Shereni, Neil E Anderson, Learnmore Nyakupinda, Giuliano Cecchi
BACKGROUND: In Zimbabwe, cases of human African trypanosomiasis (HAT) are caused by the unicellular protozoan Trypanosoma brucei, sub-species T. b. rhodesiense. They are reported from the tsetse-infested area in the northern part of the country, broadly corresponding to the valley of the Zambezi River. Tsetse-transmitted trypanosomes, in particular T. congolense and T. vivax, also cause morbidity and mortality in livestock, thus generating poverty and food insecurity. Two species of tsetse fly, Glossina morsistans morsitans and G...
November 25, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27874298/volitional-spine-stabilization-during-a-drop-vertical-jump-from-different-landing-heights-implications-for-anterior-cruciate-ligament-injury
#3
Ram Haddas, Troy Hooper, C Roger James, Phillip S Sizer
CONTEXT:  Volitional spine stabilization (VSS) during dynamic activities may alter trunk motion, but the role of the core musculature in positioning the trunk during landing tasks is unclear. OBJECTIVE:  To determine whether volitional core-muscle activation incorporated during a drop vertical jump alters lower extremity kinematics and kinetics, as well as trunk and lower extremity muscle activity at different landing heights. DESIGN:  Controlled laboratory study...
November 22, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27863284/landing-from-different-heights-biomechanical-and-neuromuscular-strategies-in-trained-gymnasts-and-untrained-prepubescent-girls
#4
Α Christoforidou, D A Patikas, E Bassa, I Paraschos, S Lazaridis, C Christoforidis, C Kotzamanidis
The purpose of this study was to examine the biomechanics of the lower limb, during landing in female prepubertal gymnasts and prepubertal untrained girls, aged 9-12years. Ten healthy participants were included in each group and performed five landings from 20, 40, and 60cm. Kinematics, ground reaction forces (GRF) and electromyogram (EMG) from the lateral gastrocnemius, tibialis anterior, and vastus lateralis are presented. Gymnasts had higher vertical GRF and shorter braking phase during landing. Compared to untrained girls, gymnasts exhibited for all examined drop heights more knee flexion before and at ground contact, but less knee flexion at maximum knee flexion position...
November 9, 2016: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/27833624/assessment-of-stress-tolerance-productivity-and-forage-quality-in-t1-transgenic-alfalfa-co-overexpressing-zxnhx-and-zxvp1-1-from-zygophyllum-xanthoxylum
#5
Peng Kang, Ai-Ke Bao, Tanweer Kumar, Ya-Qing Pan, Zhulatai Bao, Fei Wang, Suo-Min Wang
Salinization, desertification, and soil nutrient deprivation are threatening the production of alfalfa (Medicago sativa L.) in northern China. We have previously generated T0 transgenic alfalfa co-overexpressing Zygophyllum xanthoxylum ZxNHX and ZxVP1-1 genes with enhanced salt and drought tolerance. To further develop this excellent breeding material into the new forage cultivar, stress tolerance, productivity, and forage quality of T1 transgenic alfalfa (GM) were assessed in this study. The GM inherited the traits of salt and drought tolerance from T0 generation...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27823826/driving-forces-and-the-spatial-patterns-of-industrial-sulfur-dioxide-discharge-in-china
#6
Xiaofeng Zhao, Chunlei Deng, Xianjin Huang, Mei-Po Kwan
Rapid industrialization in China has brought forward serious and harmful atmospheric pollution. In this study, spatial econometric analysis was used to analyze the spatial change and the driving forces behind the industrial sulfur dioxide (SO2) discharge in China from 2001 to 2014. The study found that the amount of industrial SO2 discharge (ISOD) increased first and then decreased during this period. ISOD intensity witnessed a fluctuating drop. There were large differences among intercity ISOD amount and intensity, which had various spatial patterns...
January 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27771421/habitat-preference-and-seasonal-dynamics-of-phlebotomus-orientalis-in-urban-and-semi-urban-areas-of-kala-azar-endemic-district-of-kafta-humera-northwest-ethiopia
#7
Solomon Yared, Araya Gebresilassie, Essayas Akililu, Meshesha Balkew, Alon Warburg, Asrat Hailu, Teshome Gebre-Michael
Visceral leishmaniasis is a significant public health problem in northwest Ethiopia, particularly in Kafta Humera district. The study was designed to determine the species composition and population dynamics of sand flies in five villages representing urban and semi-urban areas of Kafta Humera district namely, Setit Humera, Mykadra, Rawyan, Bereket and Adebay. Sand flies were collected for two to three nights monthly from May 2011 to April 2012 using CDC light-traps and sticky traps. Traps were placed in villages, at periphery of villages and farm fields...
October 19, 2016: Acta Tropica
https://www.readbyqxmd.com/read/27746363/laboratory-studies-on-the-thermal-tolerance-and-response-of-enzymes-of-intermediate-metabolism-in-different-land-snail-species
#8
Alexandra Staikou, Evagelia Kesidou, Marina-Elena Garefalaki, Basile Michaelidis
Land snails species occur in a range of habitats from humid to semi-arid and arid ones and seasonal variations in their physiology and biochemical composition have been linked to annual cycles of photoperiod, temperature, humidity and water availability. In an effort to understand the thermal tolerance and the impact of temperature elevation on tissue metabolism of land snails we determined the mortality, heamolymph PO2 and the activities of enzymes of intermediary metabolism in three land snail species (Helix lucorum, Helix pomatia and Cornu aspersum) differing in their geographical distribution and inhabiting areas with different climatic characteristics...
October 14, 2016: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/27724813/classifying-performer-strategies-in-drop-landing-activities
#9
Andrew D Nordin, Janet S Dufek, C Roger James, Barry T Bates
Our purpose was to use group and single-case methods to examine inter-individual variability in the context of factors related to landing injuries. We tested the load accommodation strategies model (An exploration of load accommodation strategies during walking with extremity-carried weights. Human Movement Science, 35, 17-29) using landing impulse, revealing pre-landing strategies following height and external load manipulations. Ten healthy volunteers (8 male, 2 female, 24.0 ± 1.4 years, 1.72 ± 0.06 m, 73...
October 11, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27703712/stretching-the-truth-length-data-highlight-falsification-of-japanese-sperm-whale-catch-statistics-in-the-southern-hemisphere
#10
Phillip J Clapham, Yulia V Ivashchenko
Falsification of reports on Japanese catches of sperm whales (Physeter macrocephalus) is known to have occurred at both land whaling stations and in North Pacific factory fleets. Here, we conduct an analysis of pelagic sperm whale catches in the Southern Hemisphere: we compare true Soviet length data from the Yuri Dolgorukiy factory fleet during 1960-1975 to data for the same period reported to the International Whaling Commission (IWC) by Japan. Prior to implementation of the International Observer Scheme (IOS) in 1972, the Soviet fleet killed 5536 females, of which only 153 (2...
September 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27683812/high-species-richness-of-native-pollinators-in-brazilian-tomato-crops
#11
C M Silva-Neto, L L Bergamini, M A S Elias, G L Moreira, J M Morais, B A R Bergamini, E V Franceschinelli
Pollinators provide an essential service to natural ecosystems and agriculture. In tomatoes flowers, anthers are poricidal, pollen may drop from their pore when flowers are shaken by the wind. However, bees that vibrate these anthers increase pollen load on the stigma and in fruit production. The present study aimed to identify the pollinator richness of tomato flowers and investigate their morphological and functional traits related to the plant-pollinator interaction in plantations of Central Brazil. The time of anthesis, flower duration, and the number and viability of pollen grains and ovules were recorded...
September 26, 2016: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/27637264/stiff-landings-are-associated-with-increased-acl-injury-risk-in-young-female-basketball-and-floorball-players
#12
Mari Leppänen, Kati Pasanen, Urho M Kujala, Tommi Vasankari, Pekka Kannus, Sami Äyrämö, Tron Krosshaug, Roald Bahr, Janne Avela, Jarmo Perttunen, Jari Parkkari
BACKGROUND: Few prospective studies have investigated the biomechanical risk factors of anterior cruciate ligament (ACL) injury. PURPOSE: To investigate the relationship between biomechanical characteristics of vertical drop jump (VDJ) performance and the risk of ACL injury in young female basketball and floorball players. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: At baseline, a total of 171 female basketball and floorball players (age range, 12-21 years) participated in a VDJ test using 3-dimensional motion analysis...
September 16, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27632838/effects-of-volitional-spine-stabilization-and-lower-extremity-fatigue-on-knee-and-ankle-during-landing-performance-in-a-recurrent-low-back-pain-population
#13
Ram Haddas, Steven F Sawyer, Phillip S Sizer, Toby Brooks, Ming-Chien Chyu, C Roger James
INTRODUCTION: Recurrent LBP (rLBP) and neuromuscular fatigue are independently thought to increase the risk of lower extremity (LE) injury. Volitional preemptive abdominal contraction (VPAC) is thought to improve lumbar spine and pelvis control in individuals with rLBP. The effects of VPAC on fatigued landing performance in individuals with rLBP are unknown. OBJECTIVES: To determine the effects of VPAC and LE fatigue on landing performance in a rLBP population. DESIGN: Cross-sectional pretest-posttest cohort control design...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27623373/fish-and-fisheries-in-the-lower-rhine-1550-1950-a-historical-ecological-perspective
#14
H J Rob Lenders
Regulation and intensive use of most of the world's large rivers, has led to dramatic decline and even to extinction of riverine fish populations like salmon and sturgeon in the river Rhine. In general this decline is considered an unwelcome side-effect of the Industrial Revolution and large-scale river regulation (c. 1800), but the deterioration of stocks of some species may have started well before the 19th century. For the river Rhine, data on fish landings as proxies of abundance in the period 1550-1950 can be derived from historical market prices, fisheries taxation and fishery and fish auctions statistics, especially for commercially interesting species like Atlantic salmon, sturgeon, Allis shad and Twaite shad...
September 9, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27611061/time-series-of-ground-reaction-forces-following-a-single-leg-drop-jump-landing-in-elite-youth-soccer-players-consist-of-four-distinct-phases
#15
Duncan P Fransz, Arnold Huurnink, Vosse A de Boode, Idsart Kingma, Jaap H van Dieën
The single leg drop jump landing test may assess dynamic and static balance abilities in different phases of the landing. However objective definitions of different phases following landing and associated reliability are lacking. Therefore, we determined the existence of possible distinct phases of single leg drop jump landing on a force plate in 82 elite youth soccer players. Three outcome measures were calculated over moving windows of five sizes: center of pressure (COP) speed, COP sway and horizontal ground reaction force (GRF)...
September 4, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27592299/prophylactic-knee-bracing-alters-lower-limb-muscle-forces-during-a-double-leg-drop-landing
#16
Katie A Ewing, Justin W Fernandez, Rezaul K Begg, Mary P Galea, Peter V S Lee
Anterior cruciate ligament (ACL) injury can be a painful, debilitating and costly consequence of participating in sporting activities. Prophylactic knee bracing aims to reduce the number and severity of ACL injury, which commonly occurs during landing maneuvers and is more prevalent in female athletes, but a consensus on the effectiveness of prophylactic knee braces has not been established. The lower-limb muscles are believed to play an important role in stabilizing the knee joint. The purpose of this study was to investigate the changes in lower-limb muscle function with prophylactic knee bracing in male and female athletes during landing...
October 3, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27584263/kinematic-asymmetries-during-the-second-landing-of-a-drop-vertical-jump-after-acl-reconstruction-1107-board-5-june-1-3-15-pm-5-15-pm
#17
Madison J Marquez, Paul W Kline, Mary Lloyd Ireland, Darren Johnson, Brian Noehren
No abstract text is available yet for this article.
May 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27573831/plant-responses-to-increasing-co2-reduce-estimates-of-climate-impacts-on-drought-severity
#18
Abigail L S Swann, Forrest M Hoffman, Charles D Koven, James T Randerson
Rising atmospheric CO2 will make Earth warmer, and many studies have inferred that this warming will cause droughts to become more widespread and severe. However, rising atmospheric CO2 also modifies stomatal conductance and plant water use, processes that are often are overlooked in impact analysis. We find that plant physiological responses to CO2 reduce predictions of future drought stress, and that this reduction is captured by using plant-centric rather than atmosphere-centric metrics from Earth system models (ESMs)...
September 6, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27555747/an-upright-eyedrop-bottle-accuracy-usage-of-excess-drops-and-contamination-compared-to-a-conventional-bottle
#19
Isaiah J Davies, Ninita H Brown, Joanne C Wen, Sandra S Stinnett, Kelsey Kubelick, Roma P Patel, Kristin L Benokraitis, Latoya Greene, Curry Cheek, Kelly W Muir
PURPOSE: This study tested the feasibility of using an upright eyedrop bottle (UEB), a device designed to assist patients with eyedrop placement without reclining their head. PATIENTS AND METHODS: Experienced eyedrop users were enrolled who answered "yes" to the question, "Do you ever have trouble getting your eyedrops in?" After being shown a multimedia presentation and answering a questionnaire regarding eyedrop usage, participants were observed instilling eyedrops...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27550764/satellite-observations-of-surface-temperature-during-the-march-2015-total-solar-eclipse
#20
Elizabeth Good
The behaviour of remotely sensed land surface temperatures (LSTs) from the spinning-enhanced visible and infrared imager (SEVIRI) during the total solar eclipse of 20 March 2015 is analysed over Europe. LST is found to drop by up to several degrees Celcius during the eclipse, with the minimum LST occurring just after the eclipse mid-point (median=+1.5 min). The drop in LST is typically larger than the drop in near-surface air temperatures reported elsewhere, and correlates with solar obscuration (r=-0.47; larger obscuration = larger LST drop), eclipse duration (r=-0...
September 28, 2016: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
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