888 research outputs found
Concussion Knowledge in Amateur Motocross
The Center for Disease Control and Prevention estimated that there are 1.6-3.8 million sports related traumatic brain injuries in the United States annually which occur in both mainstream and extreme sports. Many of these concussions have been associated with collisional sports, like football, but high risk extreme sports, like motocross, also have many opportunities for collisions to occur. Unlike traditional varsity sports motocross races, especially at the amateur level, do not require more than advanced life support at a race in case of emergency situation leaving the amateur rider to recognize and decide on concussion management. Purpose of this study is to assess concussion knowledge amongst motocross riders and to determine differences in knowledge based in demographic factors. Motocross riders were able to access an internet based questionnaire for two months. The respondents (N=782 age=30.6±11.9 male=85.0%) represented amateur motocross riders who currently participate in racing. The questionnaire was distributed online (host site qualtircs.com), based upon concussion literature, with the web link posted on Facebook, Twitter, and emailed to American Motorcycle Association districts and motocross tracks across America. Access to the questionnaire began on December 22nd, 2012 and stayed open for two months closing on February 24th, 2013. The mean overall score for participants on concussion knowledge score was 14.29±2.71 out of 20, and 6.76±1.35 out of 8 on recognition of correct sign and symptoms of concussion. Participants succumbed to several misconceptions; including the belief that a rider should be kept awake if suffering from a concussion was believer by 719/782 (91.9) of participants. Confusion over terminology was shown with 408/782 (52.2) allowing a rider to continue riding during with a bell ringer, but when bell ringer is replaced with concussion only 83/782 (10.6) would allow a rider to continue. We found that while participants have a general understanding about concussions and the signs and symptoms they are still unclear on how to manage the concussions. Therefore it is suggested that an educational intervention that is aimed at the sport of motocross be created that places an emphasis on situations and management. It could include where to find the latest information regarding concussions for riders to stay informed
Mayo Innovation Scholars Program
The 2018 Mayo Innovation Scholars Program (MISP) team will be presenting an overview of the program
Decoupling the Ethernet From Agents in the Internet
Many hackers worldwide would agree that, had it not been for write-ahead logging, the understanding of model checking might never have occurred [9], [4]. Given the trends in virtual epistemologies, security experts particularly note the construction of 802.11b [3]. In our research, we construct an analysis of the Turing machine (LAURA), disconfirming that multi-processors and redundancy are usually incompatible
The Fundamental Plane of Black Hole Accretion and its Use as a Black Hole-Mass Estimator
We present an analysis of the fundamental plane of black hole accretion, an
empirical correlation of the mass of a black hole (), its 5 GHz radio
continuum luminosity (), and its 2-10 keV X-ray power-law
continuum luminosity (). We compile a sample of black holes with primary,
direct black hole-mass measurements that also have sensitive,
high-spatial-resolution radio and X-ray data. Taking into account a number of
systematic sources of uncertainty and their correlations with the measurements,
we use Markov chain Monte Carlo methods to fit a mass-predictor function of the
form . Our best-fit results are , , and
with the natural logarithm of the Gaussian intrinsic scatter in the log-mass
direction . This result is a
significant improvement over our earlier mass scaling result because of the
increase in active galactic nuclei sample size (from 18 to 30), improvement in
our X-ray binary sample selection, better identification of Seyferts, and
improvements in our analysis that takes into account systematic uncertainties
and correlated uncertainties. Because of these significant improvements, we are
able to consider potential influences on our sample by including all sources
with compact radio and X-ray emission but ultimately conclude that the
fundamental plane can empirically describe all such sources. We end with advice
for how to use this as a tool for estimating black hole masses.Comment: ApJ Accepted. Online interactive version of Figure 7 available at
http://kayhan.astro.lsa.umich.edu/supplementary_material/fp
Perceptions and Preferences of Extension Programming and Sources Among Extension Users and Non-Users: 10 Kansas Counties
County Extension personnel are challenged to serve the public while facing changing population density and diversity. Moreover, needs and satisfaction vary among Extension clients and non-clients. With this in mind, 10 of the most populous counties in Kansas, with the aid of a university researcher, conducted an evaluation to determine programming needs of both clients and non-clients. Findings indicate that non-clients and clients prioritize programming differently and prefer different delivery mechanisms. The results have allowed these counties to tailor their programming and marketing efforts to these two unique groups, while also serving as a basis for a collective marketing plan
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