Purpose: The purpose of this study was to determine whether practicing athletic trainers(ATs) were using the stepwise progression to make return-to-play(RTP) decisions after concussion and to determine what factors in...Purpose: The purpose of this study was to determine whether practicing athletic trainers(ATs) were using the stepwise progression to make return-to-play(RTP) decisions after concussion and to determine what factors influenced their decision to use the stepwise progression.Methods: A total of 166 ATs(response rate = 16.6%) completed a 21-item questionnaire that evaluated participant demographics, methods of concussion management, and RTP decision-making using the stepwise progression. Descriptive statistics and a logistic regression were completed to analyze data.Results: Factors such as education level(p = 0.05) and number of concussions treated(p = 0.05) predicted use of the stepwise progression,whereas sex(p = 0.17), employment setting(p = 0.17), state law(p = 0.86), and years practicing(p = 0.17) did not predict whether ATs were following the stepwise progression.Conclusion: The majority of the ATs from this study are employing the stepwise progression to safely return athletes to play after sustaining a concussion. This demonstrates that ATs are providing a standard of care for concussed athletes across various athletic training settings; however,having a graduate degree and treating more concussions per year are predictors of whether an AT follows all steps of the stepwise progression.展开更多
In this paper, we investigate the interacting super-Brownian motion depending on population size. This process can be viewed as the high density limit of a sequence of particle systems with branching mechanism dependi...In this paper, we investigate the interacting super-Brownian motion depending on population size. This process can be viewed as the high density limit of a sequence of particle systems with branching mechanism depending on their population size. We will construct a limit function-valued dual process.展开更多
abstract： According to the new situation and problems in the aging process, we will try to analyze the current situation and features of the aging process from the point of sociology by investigation and document lit...abstract： According to the new situation and problems in the aging process, we will try to analyze the current situation and features of the aging process from the point of sociology by investigation and document literature. By analyzing the severe aging problems, we will know about the leisure sporting activities of the old people. Sports is a very useful way to slow down the pace of getting old. Through the efforts of the whole society, we can take full advantage of sports to slow down the aging process and make the senior sports a healthy and scientific development direction. Keywords： population aging Sports Strategy展开更多
A smart Human Interface （HCI） replacing conventional mouse interface is proposed. The interface is able to control and command action with only hand. Four finger motions （left click, right dick, hold, drag） are u...A smart Human Interface （HCI） replacing conventional mouse interface is proposed. The interface is able to control and command action with only hand. Four finger motions （left click, right dick, hold, drag） are used to command the interface. Also the authors materialiae cursor movement control using image processing The measure what they use for inference is entropy of Electromyogram （EMG） signal, Gaussian modeling and likelihood estimation. In image processing for cursor control, they use color recognition to get the center point of finger tip from marker, and map the point onto cursor. Accuracy of finger movement inference is over 95% and cursor control works naturally without delay. They materlalize whole system to check its performance and utility.展开更多
Using the theory of small ball estimate to study the biological population for keeping ecological balance in an ecosystem, we consider a Brownian motion with variable dimen- sion starting at an interior point of a gen...Using the theory of small ball estimate to study the biological population for keeping ecological balance in an ecosystem, we consider a Brownian motion with variable dimen- sion starting at an interior point of a general parabolic domain Dt in Rd（t）＋1 where d（t） ≥ 1 is an increasing integral function as t →∞, d（t） →∞. Let TOt denote the first time the Brownian motion exits from Dr. Upper and lower bounds with exact constants of log P（rDt 〉 t） are given as t →∞, depending on the shape of the domain Dr. The problem is motivated by the early results of Lifshits and Shi, Li, Lu in the exit proba- bilities. The methods of proof are based on the calculus of variations and early works of Lifshits and Shi, Li, Shao in the exit probabilities of Brownian motion.展开更多
文摘Purpose: The purpose of this study was to determine whether practicing athletic trainers(ATs) were using the stepwise progression to make return-to-play(RTP) decisions after concussion and to determine what factors influenced their decision to use the stepwise progression.Methods: A total of 166 ATs(response rate = 16.6%) completed a 21-item questionnaire that evaluated participant demographics, methods of concussion management, and RTP decision-making using the stepwise progression. Descriptive statistics and a logistic regression were completed to analyze data.Results: Factors such as education level(p = 0.05) and number of concussions treated(p = 0.05) predicted use of the stepwise progression,whereas sex(p = 0.17), employment setting(p = 0.17), state law(p = 0.86), and years practicing(p = 0.17) did not predict whether ATs were following the stepwise progression.Conclusion: The majority of the ATs from this study are employing the stepwise progression to safely return athletes to play after sustaining a concussion. This demonstrates that ATs are providing a standard of care for concussed athletes across various athletic training settings; however,having a graduate degree and treating more concussions per year are predictors of whether an AT follows all steps of the stepwise progression.
基金Foundation item： Supported by National Natural Science Foundation of China（A10071008） . Acknowledgements Here the author thank Professor Wang Zikun, Li Zhanbing and Li Zenghu sincerely for their guidance and encouragement.
文摘In this paper, we investigate the interacting super-Brownian motion depending on population size. This process can be viewed as the high density limit of a sequence of particle systems with branching mechanism depending on their population size. We will construct a limit function-valued dual process.
文摘abstract： According to the new situation and problems in the aging process, we will try to analyze the current situation and features of the aging process from the point of sociology by investigation and document literature. By analyzing the severe aging problems, we will know about the leisure sporting activities of the old people. Sports is a very useful way to slow down the pace of getting old. Through the efforts of the whole society, we can take full advantage of sports to slow down the aging process and make the senior sports a healthy and scientific development direction. Keywords： population aging Sports Strategy
基金supported by the MKE(The Ministry of Knowledge Economy),Koreathe ITRC(Information Technology Research Center)support program supervised by the NIPA(National IT Industry Promotion Agency)(NIPA-2010-C1090-1021-0010)
文摘A smart Human Interface （HCI） replacing conventional mouse interface is proposed. The interface is able to control and command action with only hand. Four finger motions （left click, right dick, hold, drag） are used to command the interface. Also the authors materialiae cursor movement control using image processing The measure what they use for inference is entropy of Electromyogram （EMG） signal, Gaussian modeling and likelihood estimation. In image processing for cursor control, they use color recognition to get the center point of finger tip from marker, and map the point onto cursor. Accuracy of finger movement inference is over 95% and cursor control works naturally without delay. They materlalize whole system to check its performance and utility.
文摘Using the theory of small ball estimate to study the biological population for keeping ecological balance in an ecosystem, we consider a Brownian motion with variable dimen- sion starting at an interior point of a general parabolic domain Dt in Rd（t）＋1 where d（t） ≥ 1 is an increasing integral function as t →∞, d（t） →∞. Let TOt denote the first time the Brownian motion exits from Dr. Upper and lower bounds with exact constants of log P（rDt 〉 t） are given as t →∞, depending on the shape of the domain Dr. The problem is motivated by the early results of Lifshits and Shi, Li, Lu in the exit proba- bilities. The methods of proof are based on the calculus of variations and early works of Lifshits and Shi, Li, Shao in the exit probabilities of Brownian motion.
