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The physiology of deep-water running 总被引:2,自引:0,他引:2
Deep-water running is performed in the deep end of a swimming pool, normally with the aid of a flotation vest. The method is used for purposes of preventing injury and promoting recovery from strenuous exercise and as a form of supplementary training for cardiovascular fitness. Both stroke volume and cardiac output increase during water immersion: an increase in blood volume largely offsets the cardiac decelerating reflex at rest. At submaximal exercise intensities, blood lactate responses to exercise during deep-water running are elevated in comparison to treadmill running at a given oxygen uptake (VO2). While VO2, minute ventilation and heart rate are decreased under maximal exercise conditions in the water, deep-water running nevertheless can be justified as providing an adequate stimulus for cardiovascular training. Responses to training programmes have confirmed the efficacy of deep-water running, although positive responses are most evident when measured in a water-based test. Aerobic performance is maintained with deep-water running for up to 6 weeks in trained endurance athletes; sedentary individuals benefit more than athletes in improving maximal oxygen uptake. There is some limited evidence of improvement in anaerobic measures and in upper body strength in individuals engaging in deep-water running. A reduction in spinal loading constitutes a role for deep-water running in the prevention of injury, while an alleviation of muscle soreness confirms its value in recovery training. Further research into the applications of deep-water running to exercise therapy and athletes' training is recommended. 相似文献
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Carrie Moran Rachel Mulvihill 《Journal of Library & Information Services in Distance Learning》2017,11(1-2):13-24
ABSTRACTThe UCF Libraries are continually developing new forms of library instruction to meet the needs of a growing student body with the same number of librarians. These efforts attempt to find the balance between impersonal online tutorials and time-intensive embedded librarianship. The pros and cons of each model employed at our growing university are discussed, along with strategies to identify and implement sustainable library instruction in an academic library. 相似文献
155.
Paul A. McDermott Carrie M. Steinberg Lauren E. Angelo 《Psychology in the schools》2005,42(2):121-136
In this article we examine the ability of contextual information to enhance assessment of behavior problems in schools. Capitalizing on the multisituational structure of the Adjustment Scales for Children and Adolescents, exploratory and confirmatory analyses with a representative national sample (N = 1,400, ages 5–17 years) revealed three unique and reliable behavioral situtypes (problems in Peer Contexts, Academic Contexts, and Teacher Contexts). The situtypes were found internally consistent and structurally generalizable across age, sex, and ethnicity. Multiple logistic and discriminant analyses confirmed the ability of the situtypes to identify accurately those youth independently diagnosed as emotionally disturbed, as well as distinguish those diagnosed as learning disabled. Information gleaned from the situtypes was substantially better able than conventional psychopathology syndromes (attention‐deficit hyperactivity, oppositional defiance, etc.) to forecast later academic achievement. Implications for informing motivation and intervention are discussed. © 2005 Wiley Periodicals, Inc. Psychol Schs 42: 121–136, 2005. 相似文献
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Carrie Paechter 《Journal of Educational Change》2003,4(2):129-148
This paper considers the relationship betweenpower, gender and curriculum change. Writingfrom a Foucaultian standpoint, the authorconsiders how teachers react to and resist bothimposed and voluntary educationalinnovations. She looks at how subject status,personal identity and career history affect howa teacher is likely to react to a particularproposed change, and how this is affected bygendered power/knowledge relations withinschools. The author concludes that genderedpower/knowledge relations are central to theintroduction and implementation of change, andthat those proposing educational innovationsneed to have a greater understanding of thosewho will be subject to them. This is animportant area in which basic educationalresearch can be of practical utility. 相似文献
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Margareta Maria Thomson Daniell DiFrancesca Sarah Carrier Carrie Lee 《Teacher Development》2017,21(1):1-20
This mixed-methods study investigated the relationships among preservice teachers’ efficacy beliefs, pedagogical content knowledge (PCK) and their domain knowledge (DK) as related to mathematics and science teaching. Quantitative results revealed that participants’ PCK was significantly correlated with their mathematics and science efficacy beliefs. Additionally, participants’ mathematics and science DK did not predict their mathematics and science personal efficacy beliefs, however, their PCK score predicted participants’ outcome expectancies. Interview analysis revealed five inter-related key themes, labeled as: Previous academic experiences, Mathematics and science PCK beliefs, Personal efficacy, Outcome expectancies and Emotions. These common themes describe participants’ views of their quality teacher training and thinking about planned instruction. Educational implications are discussed in relationship with study findings. 相似文献
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Research in Higher Education - There is concern that civic engagement in the U.S. has declined recently especially among the younger generations. It is known that one of the strongest predictors of... 相似文献
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Assessing Assessment: The Effects of Two Exam Formats on Course Achievement and Evaluation 总被引:1,自引:1,他引:1
This research examines the effect of two testing strategies on academic achievement and summative evaluations in an introductory statistics course. In 2001, 63 students underwent an hourly midterm format; and in 2002, 68 students underwent a bi-weekly exam format. Other than the exam format, the class lectures and labs were identical in terms of content, structure, pace, and the cumulative final exam. Findings from the regression analyses show that students in the bi-weekly format performed better than the students in the hourly midterm format. On average, students who took the bi-weekly exams performed about 10 percentage points higher (one letter grade) on the exams during the semester and about 15 percentage points higher on the cumulative final exam compared to their peers who took hourly midterms. The benefits of the bi-weekly format were significantly greater among female students than male students. Finally, students in the bi-weekly format were less likely to drop the class and evaluated the class far more favorably.
Carrie B. Myers is an Assistant Professor of Adult and Higher Education at Montana State University. She received her Ph.D. in Higher Education Administration from Washington State University. Her research focuses on student and faculty development and assessment and evaluation.
Scott M. Myers is an Associate Professor of Sociology at Montana State University. His areas of research are family demography and education. He received a Ph.D. in Sociology and a Ph.D. in Demography from the Pennsylvania State University. 相似文献
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