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61.
Justin X. Nicoll Andrew J. Galpin Donald B. Thomason Christopher A. Moore 《European Journal of Sport Science》2017,17(9):1194-1202
Purpose: There is a paucity of research investigating the expression of mitogen-activated protein kinases (MAPK) in chronically trained (CT) athletes. Thus, it is unclear how MAPK may contribute to performance and muscle adaptation in CT subjects. The purpose of this study was to determine MAPK total protein, and phosphorylated expression of extracellular signal-regulated kinases 1 and 2 (ERK1/2), c-Jun N-terminal kinase (JNK), and p38-MAPK (p38) between untrained, and chronically trained runners. Methods: Tissue samples were analysed from sedentary (SED; n?=?5) controls and chronically trained runners (CT; n?=?5). Resting muscle biopsy samples were analysed for total-MAPK – and ratio of phosphorylated/total (p-MAPK) – ERK1/2, JNK, and p38-MAPK via western blotting. Mann–Whitney U tests and effect sizes were utilized to determine differences in total MAPK protein content and phosphorylation status between SED and CT subjects. Results: There was no difference in total-MAPK expression between SED and CT (p?>?.05). p-p38-MAPK tended to be greater for CT compared to SED (p?=?.07). There were moderate effect sizes of decreased pERK/total-ERK (d?=??0.69) and increased pJNK/total-JNK (d?=?0.54) in CT compared to SED. There was a positive correlation between p-p38-MAPK/total-MAPK and the percentage of type I fibres (r?=?0.73, p?=?.016). Conclusion: Contrary to previous studies, chronic endurance training does not greatly influence total MAPK protein expression in chronically trained runners. However, resting phosphorylation of p38-MAPK may contribute to enhanced oxidative metabolism at chronically trained levels. These alterations are likely involved in the different physiological adaptations that occur following long-term training or at highly competitive levels. 相似文献
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The goals of this study were twofold: first, to examine whether preschool children's name-writing proficiency differentiated them on other emergent reading and writing tasks, and second, to examine the effect of name length on preschool children's emergent literacy skills including alphabet knowledge and spelling. In study 1, a range of emergent literacy tasks was administered to 296 preschool children aged 4-5 years. The more advanced name writers outperformed the less advanced name writers on all emergent literacy measures. Furthermore, children with longer names did not show superior performance compared to children with shorter names. In study 2, four measures of alphabet knowledge and spelling were administered to 104 preschool children. Once again, the more advanced name writers outperformed the less advanced name writers on the alphabet knowledge and spelling measures. Results indicated that having longer names did not translate into an advantage on the alphabet knowledge and spelling tasks. Name writing proficiency, not length of name appears to be associated with preschool children's developing emergent literacy skills. Name writing reflects knowledge of some letters rather than a broader knowledge of letters that may be needed to support early spelling. 相似文献
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Pat Sadler Garry Hornby Gordon Dimmock Don Baines Gill Collins 《Pastoral Care in Education》2013,31(1):52-55
Pat Sadler, Hiroshima Shudo University, The Caring Child by Nancy Eisenberg. Cambridge, Mass, and London: Harvard University Press, 1992, hb ISBN 0 674 09725 4, pb ISBN 0 674 09726 2, US$8.95 Garry Hornby, University of Hull, Youth in Trouble: Educational Responses, by J. F. Schostak. London: Kogan Page, 1991. 192pp., pb. ISBN 0 7494 0372 1, np Gordon Dimmock, Harold Hill Community School, Havering, ‘Some Way to Go’: A Pilot Study on the Appraisal of Educational Resources on Leaving Home and Homelessness, Leaving Home Project. London: Information Services Charity Limited, 1987. 56pp., £4.95 Gordon Dimmock, Harold Hill Community School, Havering, Experimental Project. Final Report, Leaving Home Project. London: Information Services Charity Limited, 1991. 30pp., £6 Gordon Dimmock, Harold Hill Community School, Havering, ‘Making the Break’: Choices and Decisions Facing Young People Leaving Home, by Philip Hope, edited by Catherine ByGott. London: CSV Advisory Service and Leaving Home Project, 1989. 157pp. plus VHS video ‘Cutting Loose’, 20 min., CSV, 1988. ISBN 0 907829 57 0, £28.25+£2.40 p. & p. Don Baines, Anglia Polytechnic University, Teacher Training in Secondary Schools, by Rowie Shaw. London: Kogan Page Limited, 1992. 162pp., pb ISBN 0 7494 0637 2, £14.95 Gill Collins, Sovereign Centre Tutorial Unit, Issues: A Cross-Curricular Course for PSE, by John Foster. Hammersmith: Collins Educational, 1992. Pupil Book One, ISBN 0 00 327334 2, £4.95; Teachers Resources One, ISBN 0 00 327339 3, £7.25; Pupil Book Two, ISBN 0 00 327335 0, £4.95; Teachers Resources Two, ISBN 0 00 327340 7, £7.25; Pupil Book Three, ISBN 0 00 327336 9, £4.95; Teachers Resources Three, ISBN 0 00 3273415, £7.25; Pupil Book Four, ISBN 0 00 327337 7, £5.50; Teachers Resources Four, ISBN 0 00 327342 3, £7.95; Pupil Book Five, ISBN 0 00 327338 5, £5.50; Teachers Resources Five, ISBN 0 00 327343 1, £7.95 相似文献
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Christopher Winch 《Journal of Philosophy of Education》2013,47(1):128-146
Three kinds of knowledge usually recognised by epistemologists are identified and their relevance for curriculum design is discussed. These are: propositional knowledge, know‐how and knowledge by acquaintance. The inferential nature of propositional knowledge is argued for and it is suggested that propositional knowledge in fact presupposes the ability to know how to make appropriate inferences within a body of knowledge, whether systematic or unsystematic. This thesis is developed along lines suggested in the earlier work of Paul Hirst. The different kinds of know‐how and their relationships are discussed and it is suggested that they occupy different places and different relationships in any curricular hierarchy. The changing role that knowledge by acquaintance plays within this hierarchy is also discussed. Implications of this account for the current National Curriculum and for curriculum design more generally are discussed, looking at History, Science and Design Technology as examples. 相似文献
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