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https://www.readbyqxmd.com/read/27889766/telencephalic-neuronal-activation-associated-with-spatial-memory-in-the-terrestrial-toad-rhinella-arenarum-participation-of-the-medial-pallium-during-navigation-by-geometry
#1
María Inés Sotelo, M Florencia Daneri, Verner Peter Bingman, Rubén N Muzio
Amphibians are central to discussions of vertebrate evolution because they represent the transition from aquatic to terrestrial life, a transition with profound consequences for the selective pressures shaping brain evolution. Spatial navigation is one class of behavior that has attracted the interest of comparative neurobiologists because of the relevance of the medial pallium/hippocampus, yet, surprisingly, in this regard amphibians have been sparsely investigated. In the current study, we trained toads to locate a water goal relying on the boundary geometry of a test environment (Geometry-Only) or boundary geometry coupled with a prominent, visual feature cue (Geometry-Feature)...
November 26, 2016: Brain, Behavior and Evolution
https://www.readbyqxmd.com/read/27886151/micro-doppler-based-classification-of-human-aquatic-activities-via-transfer-learning-of-convolutional-neural-networks
#2
Jinhee Park, Rios Jesus Javier, Taesup Moon, Youngwook Kim
Accurate classification of human aquatic activities using radar has a variety of potential applications such as rescue operations and border patrols. Nevertheless, the classification of activities on water using radar has not been extensively studied, unlike the case on dry ground, due to its unique challenge. Namely, not only is the radar cross section of a human on water small, but the micro-Doppler signatures are much noisier due to water drops and waves. In this paper, we first investigate whether discriminative signatures could be obtained for activities on water through a simulation study...
November 24, 2016: Sensors
https://www.readbyqxmd.com/read/27852157/acute-and-chronic-effects-of-aquatic-treadmill-training-on-land-treadmill-running-kinematics-a-cross-over-and-single-subject-design-approach
#3
Eadric Bressel, Talin J Louder, James P Hoover, Luke C Roberts, Dennis G Dolny
The aim of this study was to determine if selected kinematic measures (foot strike index [SI], knee contact angle and overstride angle) were different between aquatic treadmill (ATM) and land treadmill (LTM) running, and to determine if these measures were altered during LTM running as a result of 6 weeks of ATM training. Acute effects were tested using 15 competitive distance runners who completed 1 session of running on each treadmill type at 5 different running speeds. Subsequently, three recreational runners completed 6 weeks of ATM training following a single-subject baseline, intervention and withdrawal experiment...
November 17, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27847147/a-novel-single-parameter-approach-for-forecasting-algal-blooms
#4
Xi Xiao, Junyu He, Haomin Huang, Todd R Miller, George Christakos, Elke S Reichwaldt, Anas Ghadouani, Shengpan Lin, Xinhua Xu, Jiyan Shi
Harmful algal blooms frequently occur globally, and forecasting could constitute an essential proactive strategy for bloom control. To decrease the cost of aquatic environmental monitoring and increase the accuracy of bloom forecasting, a novel single-parameter approach combining wavelet analysis with artificial neural networks (WNN) was developed and verified based on daily online monitoring datasets of algal density in the Siling Reservoir, China and Lake Winnebago, U.S.A. Firstly, a detailed modeling process was illustrated using the forecasting of cyanobacterial cell density in the Chinese reservoir as an example...
October 31, 2016: Water Research
https://www.readbyqxmd.com/read/27830479/acute-aquatic-toxicity-of-organic-solvents-modeled-by-qsars
#5
A Levet, C Bordes, Y Clément, P Mignon, C Morell, H Chermette, P Marote, P Lantéri
To limit in vivo experiments, the use of quantitative structure-activity relationships (QSARs) is advocated by REACH regulation to predict the required fish, invertebrate, and algae EC50 for chemical registration. The aim of this work was to develop reliable QSARs in order to model both invertebrate and algae EC50 for organic solvents, regardless of the mechanism of toxic action involved. EC50 represents the concentration producing the 50 % immobilization of invertebrates or the 50 % growth inhibition of algae...
December 2016: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/27807516/the-morphological-and-functional-effects-of-exercise-in-the-aquatic-environment-performed-before-and-or-after-sciatic-nerve-compression-in-wistar-rats
#6
Camila Mayumi Martin Kakihata, Jéssica Aline Malanotte, Jhenifer Karvat, Rose Meire Costa Brancalhão, Lucinéia de Fátima Chasko Ribeiro, Gladson Ricardo Flor Bertolini
The aim of this study was to evaluate the effects of exercise in the aquatic environment, performed before and/or after sciatic nerve compression in Wistar rats on morphological and functional parameters. Twenty-five Wistar rats were divided into the following groups: control (C), lesion (L), trained+lesion (TL), lesion+exercise (LE), and training+lesion+exercise (TLE), who underwent right sciatic nerve compression on day 21 of the experiment. The TL and TLE groups were submitted to a jumping exercise in a water environment for 20 days prior to injury and the LE and TLE groups after injury...
October 2016: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/27779918/producing-interdisciplinary-competent-professionals-integrating-one-health-core-competencies-into-the-veterinary-curriculum-at-the-university-of-rwanda
#7
Hellen J Amuguni, Melissa Mazan, Robert Kibuuka
Infectious diseases of grave concern to human health are emerging from wildlife and livestock populations in multiple regions of the world. Responding effectively to these emerging pandemics requires engagement of multidisciplinary groups of professionals. Using a One Health approach, One Health Central and Eastern Africa (OHCEA), a network of seven schools of public health and seven veterinary schools, with the support of the United States Agency for International Development (USAID), has engaged in curriculum review with the aim of building the skills of multidisciplinary groups of professionals to improve their capacity to respond to emerging infectious diseases...
October 25, 2016: Journal of Veterinary Medical Education
https://www.readbyqxmd.com/read/27710837/the-influence-of-the-aquatic-environment-on-the-control-of-postural-sway
#8
Andresa R Marinho-Buzelli, Hossein Rouhani, Kei Masani, Mary C Verrier, Milos R Popovic
Balance training in the aquatic environment is often used in rehabilitation practice to improve static and dynamic balance. Although aquatic therapy is widely used in clinical practice, we still lack evidence on how immersion in water actually impacts postural control. We examined how postural sway measured using centre of pressure and trunk acceleration parameters are influenced by the aquatic environment along with the effects of visual information. Our results suggest that the aquatic environment increases postural instability, measured by the centre of pressure parameters in the time-domain...
September 28, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27669180/reliability-and-accuracy-of-a-standardized-shallow-water-running-test-to-determine-cardiorespiratory-fitness
#9
Elizabeth F Nagle, Mary E Sanders, Bethany B Gibbs, Barry A Franklin, Jacquelyn A Nagle, Philip J Prins, Caleb D Johnson, Robert J Robertson
A standardized fitness assessment is critical for the development of an individualized exercise prescription. Although the benefits of aquatic exercise have been well established, there remains the need for a standardized non-swimming protocol to accurately assess cardiorespiratory fitness (CRF) in shallow water. The present investigation was designed to assess: 1) reliability of a standardized Shallow Water Run (SWR) test of CRF; and 2) accuracy of a standardized SWR compared with a land-based treadmill test (LTM)...
September 16, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27668720/prediction-of-acute-toxicity-of-phenol-derivatives-using-multiple-linear-regression-approach-for-tetrahymena-pyriformis-contaminant-identification-in-a-median-size-database
#10
Karel Dieguez-Santana, Hai Pham-The, Pedro J Villegas-Aguilar, Huong Le-Thi-Thu, Juan A Castillo-Garit, Gerardo M Casañola-Martin
In this article, the modeling of inhibitory grown activity against Tetrahymena pyriformis is described. The 0-2D Dragon descriptors based on structural aspects to gain some knowledge of factors influencing aquatic toxicity are mainly used. Besides, it is done by some enlarged data of phenol derivatives described for the first time and composed of 358 chemicals. It overcomes the previous datasets with about one hundred compounds. Moreover, the results of the model evaluation by the parameters in the training, prediction and validation give adequate results comparable with those of the previous works...
December 2016: Chemosphere
https://www.readbyqxmd.com/read/27666160/effectiveness-of-aquatic-exercise-in-improving-lower-limb-strength-in-musculoskeletal-conditions-a-systematic-review-and-meta-analysis
#11
REVIEW
Sophie Heywood, Jodie McClelland, Benjamin Mentiplay, Paula Geigle, Ann Rahmann, Ross Clark
OBJECTIVE: To investigate the effectiveness of aquatic exercise in improving lower limb strength in people with musculoskeletal conditions. DATA SOURCES: A systematic search used 5 databases, including MEDLINE, CINAHL, Embase, SPORTDiscus, and The Cochrane Library. STUDY SELECTION: Randomized controlled trials evaluating aquatic exercise with a resistance training component for adults with musculoskeletal conditions compared with no intervention or land-based exercise were identified...
September 22, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27634070/developing-and-testing-an-instrument-to-assess-aquaticity-in-humans
#12
Danae Varveri, Andreas D Flouris, Nikitas Smirnios, Elizana Pollatou, Christina Karatzaferi, Giorgos K Sakkas
We developed and validated an aquaticity assessment test (AAT) for the evaluation of human physical adequacy in the water. Forty-six volunteers (25M/21F; 20 ± 8 years) participated and performed 10 easy-to-administer and practical aquatic tasks. Group A was formed by 36 elite athletes (M/F 20/16, 24.7 ± 10yrs) from two sports categories depending on their affinity to the water environment: terrestrial (wrestling, cycling, dancing) and aquatic (swimming, synchronized swimming, free diving) sports. Group B was formed by 10 non-athlete participants (5M/5F, 14...
July 2016: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/27632861/landing-technique-improvements-after-an-aquatic-based-neuromuscular-training-program-in-physically-active-females
#13
Samantha E Scarneo, Hayley J Root, Jessica C Martinez, Craig Denegar, Douglas J Casa, Stephanie M Mazerolle, Catie L Dann, Giselle Aerni, Lindsay J DiStefano
CONTEXT: Neuromuscular training programs (NTPs) improve landing technique and decrease vertical ground reaction forces (VGRF) resulting in injury risk reduction. NTPs in an aquatic environment may elicit the same improvements as land-based programs with reduced joint stress. OBJECTIVE: To examine the effects of an aquatic NTP on landing technique, as measured by the Landing Error Scoring System (LESS) and VGRF, immediately and 4-months following the intervention...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27575248/effects-of-aquatic-exercise-on-muscle-strength-in-young-and-elderly-adults-a-systematic-review-and-meta-analysis-of-randomized-trials
#14
Alexandre K G Prado, Thais Reichert, Matheus O Conceição, Rodrigo S Delevatti, Ana Carolina Kanitz, Luiz Fernando M Kruel
The effects of training in an aquatic environment on muscular strength are still contradictory in the literature. The aim was to conduct a systematic review and meta-analysis of randomized studies about muscle strength responses after a program of aquatic exercise. A systematic review followed the Cochrane and PRISmA recommendations. The search was performed between December 2015 and January 2016. There were no language restrictions and PUBmED, SCOPUS, Scielo, Cochrane and PEDro databases were consulted. An analysis of eligibility of the studies was done by two independent authors...
August 26, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27568732/prediction-of-aquatic-toxicity-of-benzene-derivatives-to-tetrahymena-pyriformis-according-to-oecd-principles
#15
Juan A Castillo-Garit, Concepción Abad, Gerardo M Casañola-Martin, Stephen Jones Barigye, Francisco Torrens, Amparo Torreblanca
BACKGROUND: Many QSAR studies have been developed to predict acute toxicity over several biomarkers like Pimephales promelas, Daphnia magna and Tetrahymena pyriformis. Regardless of the progress made in this field there are still some gaps to be resolved such as the prediction of aquatic toxicity over the protozoan T. pyriformis still lack a QSAR study focused in accomplish the OECD principles. METHODS: Atom-based quadratic indices are used to obtain quantitative structure-activity relationship (QSAR) models for the prediction of aquatic toxicity...
2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27548253/peak-cardiorespiratory-responses-of-patients-with-subacute-stroke-during-land-and-aquatic-treadmill-exercise
#16
Yong Ki Lee, Bo Ryun Kim, Eun Young Han
OBJECTIVE: The aim of this work was to investigate the cardiorespiratory responses of patients with subacute stroke to exercise stress tests with aquatic and land treadmills. DESIGN: Twenty-one consecutive patients who presented with first-ever subacute stroke in 2013-2015. All subjects underwent symptom-limited incremental exercise testing with aquatic and land treadmills. Land treadmill speed started at 1.5 km/h and increased 0.5 km/h every 1 to 2 minutes until maximal tolerable speed was achieved...
August 19, 2016: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/27512261/effect-of-aquatic-dual-task-training-on-balance-and-gait-in-stroke-patients
#17
Kyoung Kim, Dong-Kyu Lee, Eun-Kyung Kim
[Purpose] The purpose of this study was to determine the effect of aquatic dual-task training on balance and gait in stroke patients. [Subjects and Methods] Twenty stroke patients were divided into the experimental (n=10) and control (n=10) groups. Both groups underwent neurodevelopmental treatment. The experimental group additionally underwent aquatic dual-task training for 30 minutes a day, 5 days a week, for 6 weeks. Balance was measured using the Berg balance scale, Five Times Sit-to Stand Test, and Functional Reach Test...
July 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27490823/comparison-of-ai-chi-and-impairment-based-aquatic-therapy-for-older-adults-with-balance-problems-a-clinical-study
#18
Laura G Covill, Cynthia Utley, Cheryl Hochstein
BACKGROUND AND PURPOSE: Older adults with balance deficits often fear falling and limit their mobility. Poor balance is multifactorial, influenced by medication interactions, musculoskeletal and sensory system changes, and poor neuromuscular response to changes in body positions. Aquatic physical therapy (APT) is an intervention used to improve balance and decrease falls. Ai Chi is a water-based exercise program. It incorporates slow movements of progressive difficulty utilizing the upper and lower extremities and trunk coordinated with deep breathing...
August 3, 2016: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/27460374/using-environmental-dna-for-invasive-species-surveillance-and-monitoring
#19
Andrew R Mahon, Christopher L Jerde
The method employed for environmental DNA (eDNA) surveillance for detection and monitoring of rare species in aquatic systems has evolved dramatically since its first large-scale applications. Both active (targeted) and passive (total diversity) surveillance methods provide helpful information for management groups, but each has a suite of techniques that necessitate proper equipment training and use. The protocols described in this chapter represent some of the latest iterations in eDNA surveillance being applied in aquatic and marine systems...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27459958/quality-control-in-public-participation-assessments-of-water-quality-the-opal-water-survey
#20
N L Rose, S D Turner, B Goldsmith, L Gosling, T A Davidson
BACKGROUND: Public participation in scientific data collection is a rapidly expanding field. In water quality surveys, the involvement of the public, usually as trained volunteers, generally includes the identification of aquatic invertebrates to a broad taxonomic level. However, quality assurance is often not addressed and remains a key concern for the acceptance of publicly-generated water quality data. The Open Air Laboratories (OPAL) Water Survey, launched in May 2010, aimed to encourage interest and participation in water science by developing a 'low-barrier-to-entry' water quality survey...
2016: BMC Ecology
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