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Athanasios Chatzinikolaou Dimitrios Draganidis Alexandra Avloniti Alexandros Karipidis Athanasios Z Jamurtas Chrysanthi L Skevaki 《Journal of sports sciences》2013,31(9):870-882
AbstractBasketball incorporates intense eccentric muscle activity that induces muscle microtrauma and an inflammatory response. This study investigated time-dependent inflammatory and performance responses during a weekly microcycle after a basketball match. Twenty elite-standard players underwent a trial that comprised a match followed by a 6-day simulated in-season microcycle. The trial was preceded by a control condition that did not have a match. Blood sampling and tests of maximal-intensity exercise performance and muscle damage occurred before each condition, immediately after the match and daily thereafter for 6 consecutive days. The match induced marked increases in heart rate, lactate, ammonia, glucose, non-esterified fatty acids and triglycerides. Performance deteriorated for 24–48 h after the match, whereas knee flexor and extensor soreness increased for 48 and 24 h post-match, respectively. Inflammatory (leukocytes, C-reactive protein, creatine kinase activity, adhesion molecules, cortisol, uric acid and cytokines) and oxidative stress (malondialdehyde, protein carbonyls, oxidised glutathione, antioxidant capacity, catalase and glutathione peroxidase) markers increased for ~24 h and subsided thereafter. Reduced glutathione declined for 24 h after exercise. These results suggest that a basketball match elicits moderate and relatively brief (~24–48 h) inflammatory responses, is associated with marked but short-lived performance deterioration, but is less stressful than other intermittent-type sports. 相似文献
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Chrysanthi Kadji-Beltran Nicoletta Christodoulou Aravella Zachariou Petra Lindemann-Matthies Susan Barker Costas Kadis 《Environmental Education Research》2017,23(7):1015-1031
This research is based on the rationale that the well-defined framework of education for sustainable development (ESD), its connection with real life and its specific integration in the educational policies and curricula can help to enhance quality education (QE) in a meaningful and identifiable way. In a first step, the common ground of ESD and QE was explored in different areas: common dimensions, future-oriented objectives, commonly targeted skills, value orientation, teaching and learning approaches. In a second step, this information was taken as a base to investigate how well twelve lesson units for primary school reflect the common ground of ESD and QE. The units were specifically developed for this research, in which ESD experienced teachers (mentors) supported inexperienced ones (mentees). Results indicate that ESD can reinforce QE, but that teachers need support with regard to the political and cultural dimensions of SD issues, collaborations with local communities and assessments. 相似文献
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‘Transformative leaders for sustainable schools’, was a nationwide research project conducted in 150 primary schools in Cyprus during 2005–2007. The project explored the role of the principals in the organisation of sustainable schools. A mixed methods approach to data collection was employed combining quantitative and qualitative methods. This paper presents primary school principals’ perceptions of sustainable development, their views on the characteristics and operation of the sustainable schools as well as factors supporting or impeding the development of such schools in Cyprus. Our analysis reveals that the term ‘sustainable school’ is a concept only vaguely understood by the principals. Education for sustainable development is interpreted loosely as environmental education and sustainable schools’ operation is limited to sustainable development’s environmental aspects. Principals place their emphasis on environmental conservation, for satisfying humans’ needs whereas the notion of environment, economy and society are marginalised. The development of sustainable schools in Cyprus is restricted by limitations in time, lack of ESD teacher education, the centralised educational system and the overloaded curriculum. Suggested reinforcing factors are parents’ associations’ support and the school–community dialogue. Further exploration of the principals’ role as potential carriers of change and effective leaders is needed. 相似文献
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Evagelos D. Lioutas Chrysanthi Charatsari Majda Černič Istenič Giuseppe La Rocca Marcello De Rosa 《The Journal of Agricultural Education and Extension》2019,25(2):139-160
Purpose: Considering current debates on ecosystem services’ effectiveness and the AIS/AKIS functioning, in this study we suggest a new, systemic way to evaluate extension systems (ESs). Using this model, we compared the effectiveness of ESs in three countries with essential differences but also characteristic similarities in their agricultural sectors: Greece, Italy and Slovenia.
Design/methodology/approach: Initially, we defined ‘extension system’ as a wide range of actors integrating resources with the aim of co-producing value (not for but with) farmers. To capture the value flow within this constellation of actors we distinguished between the notion of ‘value in production’ – i.e. the value embodied in service offerings – and the value emanating when service content is used in real settings or ‘value in use.’
Findings: Our approach revealed that, despite their structural and organizational differences, the ES in the three countries share common problems arising from a limited focus on the issue of value in use.
Practical implications: The application of a systemic approach – seeing farmers as co-creators and not as end-users of extension services – in the evaluation of ESs contributes to better understand the complexity of value flow within the system and can strengthen extension systems’ effectiveness.
Theoretical implications: The present study, by reconsidering traditional evaluation approaches and by focusing on value co-production, offers an alternative value-centric framework for the conceptualization of extension services and points out to the need for refining the evaluation criteria of ESs.
Originality/value: Our work, by emphasizing the reciprocal creation of value within ESs, and by adding the concept of value in use, offers a new systems approach worth considering when evaluating ESs within different organizational and sociocultural contexts. 相似文献
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This article reports on a study that was funded by the National College for School Leadership in order to explore practices, drivers and barriers to leadership talent identification, leadership development, leadership succession planning and leadership retention within a group of contextually different schools. The article offers two narratives from primary school headteachers, operating in different circumstances, in order to show the ways in which schools are attempting to ‘grow their own’ leaders through systematic policies for leadership development. Key features of successful schools which consider themselves to be good at leadership development, which may be relevant to other primary schools, are outlined. 相似文献
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Chrysanthi Kadji-Beltran Aravella Zachariou Robert B. Stevenson 《Environmental Education Research》2013,19(3):303-323
The purpose of the paper is to identify the kinds of leadership that are likely to support implementing and sustaining education for sustainable development (ESD) effectively in a primary school. The paper identifies links between ESD and principal leadership literature and constructs a conceptual model of the leadership practices needed for reorienting a school to ESD/education for sustainability. Aspects of the model are explored through Cypriot principals' views on leadership and reported leadership practices. Data were obtained by a nationally administered questionnaire and semi-structured interviews. Outcomes indicated some enabling factors for ESD implementation such as encouraging teachers to engage in ESD programmes, collaborate with others and other ways of support which nevertheless reflect what is generally expected of school administrators without seeking deep change. Constraining factors included principals' reported lack of confidence in administrative skills for sustainable schools, limited willingness to challenge the status quo, limited engagement in actions important for supporting ESD activities and features of the national educational policy. Constraining factors pointed towards principals' limited commitment to ESD. The practical significance of the findings is that they identify specific areas of needed professional development for principals such as empowering staff, encouraging critique of current approaches and exploring alternative possibilities for curriculum, pedagogy and policy. 相似文献
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A pre-test questionnaire was conducted in a kindergarten and it showed that, although the children were able to give various examples of objects, from their everyday lives, that are similar to solid shapes, the examples they gave for plane figures were also tangible objects. Since it is suggested that geometry instruction has to begin early, children need rich experiences of the connections between plane figures and solid shapes. The researchers provided a picture book as an impetus for kindergartners’ mathematical thinking. We developed and shared a picture book, The Prints, as an auxiliary means for helping kindergarten children identify the print of a solid shape. Through the picture book—which presents plane figures as prints of solids real life objects—children could link plane figures and solid shapes. The research questions we posed were: (a) Can kindergarten children identify the origin of the plane figures presented? (b) Can they relate the objects presented to the plane figures presented? After sharing the picture book—through the storytelling tradition—and completing the related activities, the identification of the print of a solid shape became more accessible and more engaging to children. They were also able to give appropriate examples of plane figures from their everyday lives. This finding was affirmed by the post-test conducted. 相似文献
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This case study of an Integrated Learning System in a UK school was designed to examine staff and pupil attitudes towards the software and to understand why the school chose to cease using the ILS after two years of implementation. Staff who used the software in their teaching were interviewed and their pupils’ attitudes were measured using questionnaires. We analyse and discuss the results of the staff interviews alongside the pupil questionnaires in order to shed some light on the reasons underlying the cessation of the ILS. The study concludes that a combination of technical problems with the ILS software and the lack of a clear focus in managerial decisions concerning the purchase, implementation and administration of the system in this school hindered the successful implementation of the ILS.“The Machine Stops” by E. M. Forster was first published in the Oxford and Cambridge Review in 1909. 相似文献