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91.
Kym Joanne Price Brett Ashley Gordon Stephen Richard Bird Amanda Clare Benson 《Journal of sports sciences》2020,38(9):970-984
ABSTRACTInterval exercise training is increasingly recommended to improve health and fitness; however, it is not known if cardiovascular risk is different from continuous exercise protocols. This systematic review with meta-analyses assessed the effect of a single bout of interval exercise on cardiovascular responses that indicate risk of cardiac fibrillation and infarction compared to continuous exercise. Electronic databases Medline, CINAHL, Embase, Scopus and Cochrane were searched. Key inclusion criteria were: (1) intervals of the same intensity and duration followed by a recovery period and (2) reporting at least one of blood pressure, heart rate variability, arterial stiffness or function. Cochrane Risk of Bias tool and GRADE approach were used. Meta-analyses found that systolic blood pressure responses to interval exercise did not differ from responses to continuous exercise immediately (MD 8 mmHg [95% CI ?32, 47], p = 0.71) or at 60 min following exercise (MD 0 mmHg [95% CI ?2, 1], p = 0.79). However, reductions in diastolic blood pressure and flow-mediated dilation with interval exercise were observed 10–15 min post-exercise. The available evidence indicates that interval exercise does not convey higher cardiovascular risk than continuous exercise. Further investigation is required to establish the safety of interval exercise for clinical populations. 相似文献
92.
The concept of masculinities has traditionally been defined in terms of crises associated with boys’ underachievement, the violence of homophobia, the under-representation of males in caring occupations, the rituals and discourses of laddism, and perceptions of disaffected and unrealised talent. Whereas the topic of masculinities has long been associated with warrants for distinctive and diverse male identities, it has a comparatively more recent history in the research on male Irish primary teachers as a particular social category. Two key findings are discussed in relation to performative masculinities – a form of strategic manoeuvring designed to exploit gender discourses, practices for control, power and privilege. First, the findings show the staffroom as a bellwether or highly developed locus for teacher socialisation through gendered discourses, events and actions. Second, the findings show nonsynchronous performative masculinities not only between male and female teachers but also with male colleagues. Therefore, it is argued that this frequently forgotten and neglected seam in the grand narrative of schools and schooling in Ireland needs to be more fully understood as a variable of quality, social justice and democratic practices across the full scope and sequence of the teacher continuum and as a prerequisite component in all teacher leadership programmes. 相似文献
93.
Civic technology is used to improve how citizens, businesses, and other groups engage and conduct business with governments. Libraries across the United States are uniquely positioned to be key players in the civic technology movement. Libraries offer community spaces where everyone is welcome and where people can come together, learn about new technologies, access information, and solve shared problems. By bringing our unique attributes and resources to bear, libraries can play a part in developing applications and services that power our communities. 相似文献
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Robert G. L. Pryor Jim E. H. Bright 《International Journal for Educational and Vocational Guidance》2008,8(2):71-82
This paper seeks to extend previous work on narrative career counselling by considering the role of plot within clients’ narratives. Seven archetypal narratives derived from the work of Booker (2004) are introduced that represent systems of meaning to provide insight into how individuals interpret their experience. These plots can be understood within the Chaos Theory of Careers (CTC) in terms of the attractors contained within the client narratives. Identifying the plots provides new insights into the nature of career development difficulties and how client stories may be reformulated. 相似文献
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Susan Yoon Erminia Pedretti Larry Pedretti Jim Hewitt Kirk Perris Roland Van Oostveen 《Journal of Science Teacher Education》2006,17(1):15-35
In this study, we hypothesize that cases demonstrating exemplary practice in the science classroom can be used as a source for learning content and pedagogical skills that will improve teachers' self-efficacy beliefs. Twelve preservice elementary science teachers are followed as they participate in a case and case method activity illustrating the Grade 7 topic of robotics and fluids. While there was little evidence to show improvements in content knowledge, results indicate that the case acted as a boundary object for brokering between individual experiences and those found in the science teaching community by scaffolding for multiple points of entry, bridging the theory practice gap and offering beginning teachers more immediate access to the community of already practicing teachers.
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100.
Jim Binder 《Innovative Higher Education》1983,8(1):29-37
This article is critical of major institutions of higher education because they often establish criteria for rewarding professors and organizational processes that have little to do with developing a real university. The author argues for the reconstruction of universities based on values of freedom and responsibility. A model based on such values, a creative university is developed and contrasted with educational bureaucracies. Arguments are given to favor the creative university as our best hope for the future. 相似文献