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G de Groot A P Hollander A J Sargeant G J van Ingen Schenau R W de Boer 《Journal of sports sciences》1987,5(3):249-259
Speed skating exercise can be better understood by taking account of physiological and biomechanical considerations. Comparison with other sports shows the unique and peculiar way of skating propulsion. The relatively long lasting isometric muscle contractions during the gliding phase, alternated with high power output push-offs, place unusual demands on the (local) energy delivering systems. The short and explosive push-off needs a specific pattern of motor unit recruitment. Some mixture of slow twitch (to sustain skating posture) and fast twitch fibres (to effect push off) in the hip and knee extensors seems necessary for optimal skating performance. 相似文献
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While audio recordings and observation might have dominated past decades of classroom research, video data is now the dominant form of data in the field. Ubiquitous videography is standard practice today in archiving the body of both the teacher and the student, and vast amounts of classroom and experiment clips are stored in online archives. Yet little to no research interrogates how this data partakes in the history of scientific cinema, assembling particular images of teacher and student bodies, nor how the digital nature of video devices might indeed challenge theoretical assumptions about social science more generally. This paper situates current video research practices within the history of scientific cinema and opens up the discussion about how these practices are linked to shifting structures of industrial labor. The paper uses the work of Gilles Deleuze – on art, cinema and the body – as a means of provoking the reader to consider new ways of working with the moving image. 相似文献
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Frank P. C. M. de Jong 《European Journal of Psychology of Education - EJPE》1995,10(4):317-323
This paper does not attempt to be an introduction on process-oriented instruction by providing all the assumptions and key principles. It rather highlights the necessary epistemological shift in education from learning as a receptive process towards learning as a constructive process. The basis for this shift is not a matter of theoretical considerations but lies in the requirements of personal cognitive functioning in the contemporary community. Process-oriented instruction includes not only this epistomological shift. Consequently, process-oriented instruction does not only focus on the information processing activities in the learning process, but also on the affective and the regulative activities. Moreover, it aims at improving students’ learning competence by enhancing the quality of students’ learning competence by enhancing the quality of students’ cognitive and metacognitive development. 相似文献
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Geraldine Mooney Simmie Cathal de Paor Jennifer Liston John O’Shea 《Asia-Pacific Journal of Teacher Education》2017,45(5):505-519
This study reports on findings from a critical literature review, from 2004 to 2014, in relation to the positioning of beginning teachers’ professional learning during induction. The study uses theoretical frameworks drawn from competing discourses: an instrumental standpoint based on performativity and a dialectical standpoint based on a transformative view of good teaching as an advanced specialised practice. A critical analysis was conducted, using a systematic literature review that yielded 14 peer-reviewed papers, to discursively position teachers’ professional learning and pinpoint questions for future study. Findings showed that while studies reported positive outcomes they were often atheoretical and framed within narrow chains of logic that neglected important strands, such as, teacher “knowledge-of-practice”. The study raises important questions not only about the positioning of beginning teachers’ professional learning but about meaningful professional learning for all teachers across the continuum of teacher education. 相似文献
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The history of industrial research laboratories offers a good opportunity for studying the complex relationships between science and technology. A good insight of these relationships is relevant for shaping a good concept of science and technology in science education and technology education. In the article, three different interaction patterns are derived from the history of industrial research laboratories (in particular the Philips Natuurkundig Laboratorium), namely (1) science as an enabler for technology, (2) science as a forerunner of technology and (3) science as a knowledge resource for technology. In science education and technology education these insights can be used for historical projects and for a use in design-and-make projects. 相似文献
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查洪德 《南阳师范学院学报》2002,1(3):95-100
元代出现了一批诗话、诗格、诗法类著作,这类著作具有一定的文学批评理论价值,因而也引起了研究者一定程度的关注。20世纪学者们对元代诗话、诗格、诗法的研究,是元代文学批评史研究的一部分,因此有必要对20世纪的元代诗话、诗格、诗法的研究进行回顾和清理。 相似文献