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201.
Michael P I Nunns Sharon J Dixon James Clarke Matt Carré 《Journal of sports sciences》2016,34(8):730-737
Plantar loading may influence comfort, performance and injury risk in soccer boots. This study investigated the effect of cleat configuration and insole cushioning levels on perception of comfort and in-shoe plantar pressures at the heel and fifth metatarsal head region. Nine soccer academy players (age 15.7 ± 1.6 years; height 1.80 ± 0.40 m; body mass 71.9 ± 6.1 kg) took part in the study. Two boot models (8 and 6 cleats) and two insoles (Poron and Poron/gel) provided four footwear combinations assessed using pressure insoles during running and 180° turning. Mechanical and comfort perception tests differentiated boot and insole conditions. During biomechanical testing, the Poron insole generally provided lower peak pressures than the Poron/gel insole, particularly during the braking step of the turn. The boot model did not independently influence peak pressures at the fifth metatarsal, and had minimal influence on heel loads. Specific boot-insole combinations performed differently (P < 0.05). The 8-cleat boot and the Poron insole performed best biomechanically and perceptually, but the combined condition did not. Inclusion of kinematic data and improved control of the turning technique are recommended to strengthen future research. The mechanical, perception and biomechanical results highlight the need for a multi-faceted approach in the assessment of footwear. 相似文献
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As social justice–oriented teachers and teacher educators, it can seem as if we are fighting a losing battle against neoliberal education policies designed to disrupt and dismantle our field. In this article we draw upon traditions of critical race theory, counterstorying, and critical hope to examine the complex realities of contemporary teacher education and envision an alternate reality in which our profession develops and thrives. To do so, we first present a series of autoethnographic critical case studies that highlight dilemmas of practice. We then invite readers to examine each case through multiple lenses, as they grapple with the complexities of a visionary path forward. In so doing, we offer tools for critical professional development that articulate, deconstruct, and reimagine social justice–oriented teacher education and activism in this changing landscape. We close with recommendations to increase our collective capacity as social justice teacher educators, placing a central emphasis on the need for community, critical professional development, and hope. 相似文献
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Clay Carr Tom Mawhinney Alyce Dickinson Richard Pearlstein 《Performance Improvement Quarterly》1995,8(2):125-127
The other articles in this special issue of PIQ deal directly with HPT and its practice. This set of articles does not. It does deal with the relationship between intrinsic motivation and external incentives–questions critical to the practice of HPT. The articles provide reaction to Alfie Kohn's latest book, Punished by Rewards, which ignited something of a firestorm. His article in the Harvard-Business Review, excerpted from the book (Kohn, 1993a) elicited printed responses ranging from reasoned rejoinders to accusations of preaching a brand of communism (Kohn. 1993b). Obviously, right or wrong, he has struck a forest of raw nerves. This set of articles attempts to use Kohn's work as a springboard for exploring the topic of rewards and punishments. It begins with a short review of the book; the review concentrates mostly on Kohn's arguments as they concern the workplace and ignores the large amount of the book devoted to child rearing and schools. The review is followed by two assessments of Kohn's work from the point of view of organizational behavior analysis. They are by Tom Mawhinney of the University of Detroit, Mercy, and Alyce Dickinson of Western Michigan University. Then Richard Pearlstein. the immediate past Vice-President for Research and Development of NSPI, concludes the series by relating the discussion specifically to the way managers actually manage. Our goal in this endeavor is to help lay bare some basic issues underlying human performance in the workplace. We hope you find it useful. 相似文献
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Maurice Craft Ronnie Carr Yvonne Fung 《International Journal of Educational Development》1998,18(6):467-472
The accelerating globalisation of world economic relations has been paralleled by a progressive internationalisation of higher education, including the use of distance education. But the modification of distance education materials and the provision of local tutorial support are only rarely undertaken, despite the fact that in social science and the humanities such materials are culturally saturated. This Hong Kong case study in teacher education examines the issues, describes the opportunities and difficulties involved, and argues that cultural adaptation merits a higher priority than at present. 相似文献