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https://www.readbyqxmd.com/read/29165734/effects-of-age-joint-angle-and-test-modality-on-strength-production-and-functional-outcomes
#1
Brennan J Thompson, Morgan Whitson, Eric J Sobolewski, Matt S Stock
This study investigated the impact of age, knee joint angle, and strength testing modality on lower body maximal and rapid strength production and assessed the transferability of these characteristics to mobility-related function. Twenty young (age=21.9 yrs) and eighteen elderly (71.1 yrs) adults performed single-joint and multiple-joint isometric maximal voluntary contractions at three knee angles. Outcome measures included peak torque (PT), rate of torque development (RTD), jump height, power, 10 and 400 m walk, and timed chair stand...
November 17, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29163219/neuromuscular-training-improves-lower-extremity-biomechanics-associated-with-knee-injury-during-landing-in-11-13-year-old-female-netball-athletes-a-randomized-control-study
#2
Amanda J Hopper, Erin E Haff, Christopher Joyce, Rhodri S Lloyd, G Gregory Haff
The purpose of this study was to examine the effects of a neuromuscular training (NMT) program on lower-extremity biomechanics in youth female netball athletes. The hypothesis was that significant improvements would be found in landing biomechanics of the lower-extremities, commonly associated with anterior cruciate ligament (ACL) injury, following NMT. Twenty-three athletes (age = 12.2 ± 0.9 years; height = 1.63 ± 0.08 m; mass = 51.8 ± 8.5 kg) completed two testing sessions separated by 7-weeks and were randomly assigned to either a experimental or control group...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29162001/a-single-continuously-applied-control-policy-for-modeling-reaching-movements-with-and-without-perturbation
#3
Zhe Li, Pietro Mazzoni, Sen Song, Ning Qian
It has been debated whether kinematic features, such as the number of peaks or decomposed submovements in a velocity profile, indicate the number of discrete motor impulses or result from a continuous control process. The debate is particularly relevant for tasks involving target perturbation, which can alter movement kinematics. To simulate such tasks, finite-horizon models require two preset movement durations to compute two control policies before and after the perturbation. Another model employs infinite- and finite-horizon formulations to determine, respectively, movement durations and control policies, which are updated every time step...
November 21, 2017: Neural Computation
https://www.readbyqxmd.com/read/29161838/optimal-time-to-intervene-the-case-of-measles-child-immunization
#4
Zuzana Chladná
The recent measles outbreaks in US and Germany emphasize the importance of sustaining and increasing vaccination rates. In Slovakia, despite mandatory vaccination scheme, decrease in the vaccination rates against measles has been observed in recent years. Different kinds of intervention at the state level, like a law making vaccination a requirement for school entry or education and advertising seem to be the only strategies to improve vaccination coverage. This study aims to analyze the economic effectiveness of intervention in Slovakia...
February 1, 2018: Mathematical Biosciences and Engineering: MBE
https://www.readbyqxmd.com/read/29161108/a-roundtable-discussion-thawing-out-healthcare-technology-s-special-snowflake-cybersecurity-challenges
#5
Robert D Jensen, Scot Copeland, Stephanie Domas, Rick Hampton, Ken Hoyme, Michelle Jump, Inhel Rekik, Suzanne Schwartz, Eugene Vasserman
No abstract text is available yet for this article.
September 2, 2017: Biomedical Instrumentation & Technology
https://www.readbyqxmd.com/read/29161099/using-standards-to-establish-foundational-security-requirements-for-medical-devices
#6
Michelle Jump, Anita Finnegan
No abstract text is available yet for this article.
September 2, 2017: Biomedical Instrumentation & Technology
https://www.readbyqxmd.com/read/29160235/possibile-half-metallicity-and-variable-range-hopping-transport-in-sb-substituted-fe-sub-2-sub-tisn-heusler-alloys
#7
Sayan Chaudhuri, P A Bhobe, Arun Kumar Nigam
Investigation of magnetotransport properties on Fe<sub>2</sub>TiSn<sub>1-x</sub>Sb<sub>x</sub> with 0 ≤ x ≤ 0.6 are presented in this paper. The substitution of Sb in place of Sn decreases the antisite disorder as evident from X ray diffraction patterns as well as from transport properties measurement. The much-disputed upturn in low temperature electrical resistivity of Fe<sub>2</sub>TiSn has been demonstrated to be a result of weak localization induced by antisite disorder...
November 21, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29159547/correction-to-current-methodologies-and-implications-of-phase-identification-of-the-vertical-jump-a-systematic-review-and-meta-analysis
#8
Alexander Neale Eagles, Mark Gregory Leigh Sayers, Matthew Bousson, Dale Ingham Lovell
Pages 1313-5, table 1, column 1: The cell entries in the 'Reference' column, which previously read.
November 21, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29158953/retention-of-movement-technique-implications-for-primary-prevention-of-acl-injuries
#9
Wouter Welling, Anne Benjaminse, Alli Gokeler, Bert Otten
Background: Retention of movement technique is crucial in anterior cruciate ligament (ACL) injury prevention programs. It is unknown if specific instructions or video instructions result in changes in kinematic and kinetic measures during a relatively short training session, and in a retention test one week later. Hypothesis/Purpose: The purpose was to determine the effects of verbal external focus (EF), verbal internal focus (IF) and video instructions (VI) on landing technique (i...
November 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29158622/kinematic-and-microphysical-significance-of-lightning-jumps-versus-non-jump-increases-in-total-flash-rate
#10
Christopher J Schultz, Lawrence D Carey, Elise V Schultz, Richard J Blakeslee
Thirty-nine thunderstorms are examined using multiple-Doppler, polarimetric and total lightning observations to understand the role of mixed phase kinematics and microphysics in the development of lightning jumps. This sample size is larger than those of previous studies on this topic. The principal result of this study is that lightning jumps are a result of mixed phase updraft intensification. Larger increases in intense updraft volume (≥ 10 m s(-1)) and larger changes in peak updraft speed are observed prior to lightning jump occurrence when compared to other non-jump increases in total flash rate...
February 2017: Weather Forecast
https://www.readbyqxmd.com/read/29158621/loaded-and-unloaded-jump-performance-of-top-level-volleyball-players-from-different-age-categories
#11
Katia Kitamura, Lucas Adriano Pereira, Ronaldo Kobal, Cesar Cavinato Cal Abad, Ronaldo Finotti, Fábio Yuzo Nakamura, Irineu Loturco
The aim of this study was to investigate the differences in loaded and unloaded jump performances between different age categories of top-level volleyball players from the same club. Forty-three volleyball players were divided into four age groups: under-17, under-19, under-21 and professional. Vertical jumping height for squat jump (SJ), countermovement jump (CMJ) and CMJ with arm swing (CMJa) and mean propulsive velocity (MPV) in the loaded jump squat exercise with 40% of the athlete's body mass were compared among the different age categories, considering body mass as a covariate...
September 2017: Biology of Sport
https://www.readbyqxmd.com/read/29158620/evaluation-of-different-jumping-tests-in-defining-position-specific-and-performance-level-differences-in-high-level-basketball-players
#12
Miran Pehar, Damir Sekulic, Nedim Sisic, Miodrag Spasic, Ognjen Uljevic, Ante Krolo, Zoran Milanovic, Tine Sattler
The importance of jumping ability in basketball is well known, but there is an evident lack of studies that have examined different jumping testing protocols in basketball players at advanced levels. The aim of this study was to assess the applicability of different tests of jumping capacity in identifying differences between (i) playing position and (ii) competitive levels of professional players. Participants were 110 male professional basketball players (height: 194.92±8.09 cm; body mass: 89.33±10.91 kg; 21...
September 2017: Biology of Sport
https://www.readbyqxmd.com/read/29158616/validation-of-the-vert-wearable-jump-monitor-device-in-elite-youth-volleyball-players
#13
Thiago O Borges, Alexandre Moreira, Renato Bacchi, Ronaldo L Finotti, Mayara Ramos, Charles R Lopes, Marcelo S Aoki
This technical report aims to determine the validity and the accuracy of the VERT Wearable Jump Monitor. The participants of this study were all experienced volleyball players from the U18 category from the Brazilian National team. To assess jump performance, the VERT scores were compared to the VERTEC (jump and reach device). Each athlete performed 3 attack and 3 block jumps in a random, counterbalanced order, and the average score was registered. In the attack jumps, the VERTEC and VERT mean ± SD scores were 70...
September 2017: Biology of Sport
https://www.readbyqxmd.com/read/29158343/amphitropical-disjunctions-in-new-world-menthinae-three-pliocene-dispersals-to-south-america-following-late-miocene-dispersal-to-north-america-from-the-old-world
#14
Bryan T Drew, Sitong Liu, Jose M Bonifacino, Kenneth J Sytsma
PREMISE OF THE STUDY: The subtribe Menthinae (Lamiaceae), with 35 genera and 750 species, is among the largest and most economically important subtribes within the mint family. Most genera of Menthinae are found exclusively in the New World, where the group has a virtually continuous distribution ranging from temperate North America to southern South America. In this study, we explored the presence, timing, and origin of amphitropical disjuncts within Menthinae. METHODS: Our analyses were based on a data set consisting of 89 taxa and the nuclear ribosomal DNA markers ITS and ETS...
November 20, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/29158026/the-effects-of-exercise-and-calm-interactions-on-in-kennel-behavior-of-shelter-dogs
#15
Alexandra Protopopova, Hagar Hauser, Kissel J Goldman, Clive D L Wynne
Over-activity, or excessive locomotion and barking in the kennel, may be unattractive to adopters and an indicator of poor welfare of kenneled dogs. The study assessed the efficacy of two common enrichment strategies, providing calm interaction and additional exercise, on in-kennel behavior in 16 shelter dogs. Both interventions resulted in appropriate behavior just prior to the sessions (t=2.10, df=7, p=.03 and F [2,216]=7.58, p=.0007, respectively), but both also resulted in an increase of some undesirable behaviors immediately after the dogs were taken back to their kennels (F [3,216]=7...
November 17, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/29158015/acute-bee-paralysis-virus-occurs-in-the-asian-honey-bee-apis-cerana-and-parasitic-mite-tropilaelaps-mercedesae
#16
Pichaya Chanpanitkitchote, Yanping Chen, Jay D Evans, Wenfeng Li, Jianghong Li, Michele Hamilton, Panuwan Chantawannakul
Viruses, and especially RNA viruses, constantly change and adapt to new host species and vectors, posing a potential threat of new and reemerging infectious diseases. Honey bee Acute bee paralysis virus (ABPV) and Deformed wing virus (DWV) are two of the most common honey bee viruses found in European honey bees Apis mellifera and have been implicated in worldwide Varroa-associated bee colony losses. Previous studies have shown that DWV has jumped hosts several times in history causing infection in multiple host species...
November 17, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/29157415/attention-in-action-and-perception-unitary-or-separate-mechanisms-of-selectivity
#17
James T Enns, Allison A Brennan, Robert L Whitwell
What is the relation between the two visual stream hypothesis and selective visual attention? In this chapter, we first consider this question at a theoretical level before presenting an example of work from our lab that examines the question: Under what conditions does the emotional content of a visual object influence visually guided action? Previous research has demonstrated that fear can influence perception, both consciously and unconsciously, but it is unclear when fear influences visually guided action...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/29155170/bench-to-bedside-translation-of-dendrimers-reality-or-utopia-a-concise-analysis
#18
Serge Mignani, João Rodrigues, Helena Tomas, René Roy, Xiangyang Shi, Jean-Pierre Majoral
Nanomedicine, which is an application of nanotechnologies in healthcare is developed to improve the treatments and lives of patients suffering from a range of disorders and to increase the successes of drug candidates. Within the nanotechnology universe, the remarkable unique and tunable properties of dendrimers have made them promising tools for diverse biomedical applications such as drug delivery, gene therapy and diagnostic. Up-to-date, very few dendrimers has yet gained regulatory approval for systemic administration, why? In this critical review, we briefly focus on the list of desired basic dendrimer requirements for decision-making purpose by the scientists (go/no-go decision), in early development stages, to become clinical candidates, and to move towards Investigational New Drugs (IND) application submission...
November 16, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29154693/epidemiology-of-injury-due-to-race-day-jockey-falls-in-professional-flat-and-jump-horse-racing-in-ireland-2011-2015
#19
Siobhan O'Connor, Giles Warrington, Adrian McGoldrick, SarahJane Cullen
CONTEXT:   Professional horse racing is considered a high-risk sport, yet the last analysis of fall and injury incidence in this sport in Ireland was completed between 1999 and 2006. OBJECTIVE:   To provide an updated analysis of the fall and injury incidence in professional flat and jump horse racing in Ireland from 2011 through 2015, compare it with the previous analysis, and detail the specific types and locations of injuries. DESIGN:   Descriptive epidemiology study...
November 20, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29154692/landing-kinematics-and-kinetics-at-the-knee-during-different-landing-tasks
#20
Nicholas R Heebner, Deirdre M Rafferty, Meleesa F Wohleber, Andrew J Simonson, Mita Lovalekar, Andrew Reinert, Timothy C Sell
CONTEXT:   Several tasks have been used to examine landing biomechanics for evaluation and rehabilitation, especially as related to anterior cruciate ligament injuries. However, comparing results among studies in which different tasks were used can be difficult, and it is unclear which task may be most appropriate. OBJECTIVE:   To compare lower extremity biomechanics across 5 commonly used landing tasks. DESIGN:   Descriptive laboratory study...
November 20, 2017: Journal of Athletic Training
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