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排序方式： 共有1273条查询结果，搜索用时 93 毫秒
41.
Álvaro López-Samanes Diego Moreno-Pérez José L. Maté-Muñoz Raúl Domínguez Jesús G. Pallarés Ricardo Mora-Rodriguez 《Journal of sports sciences》2017,35(21):2121-2128
To determine the effect of circadian rhythm on neuromuscular responses and kinematics related to physical tennis performance, after a standardised warm-up, 13 highly competitive male tennis players were tested twice for serve velocity/accuracy (SVA), countermovement vertical jump (CMJ), isometric handgrip strength (IS), agility T-test (AGIL) and a 10-m sprint (10-m RUN). In a randomised, counter-balance order, tennis players underwent the test battery twice, either in the morning (i.e., AM; 9:00 h) and in the afternoon (i.e., PM; 16:30 h). Paired t-tests were used to analyse differences due to time-of-day in performance variables. Comparison of morning versus afternoon testing revealed that SVA (168.5 ± 6.5 vs. 175.2 ± 6.1 km · h?1; P = 0.003; effect size [ES] = 1.07), CMJ (32.2 ± 0.9 vs. 33.7 ± 1.1 cm; P = 0.018; ES = 1.46), AGIL (10.14 ± 0.1 vs. 9.91 ± 0.2 s; P = 0.007; ES = 1.23) and 10-m RUN time (1.74 ± 0.1 vs. 1.69 ± 0.1 s; P = 0.021; ES = 0.67) were significantly blunted during the morning testing. However, IS was not affected by time-of-day (P = 0.891). Thus, tennis performance may be reduced when competing in the morning in comparison to early evening. Therefore, coaches and tennis players should focus on schedule the SVA, power, speed and agility training sessions in the afternoon. 相似文献
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The Responsibilities of White Teacher Candidates and Teacher Educators in Developing Racial Literacy
This article aims to help teacher educators consider how to build racial literacy in their White teacher candidates, providing guidance through pedagogical strategies and approaches based on our and others’ research. In addition, much of the pedagogy that we developed in working with our White teacher candidates can be translated to teachers working with White students at other levels, and it can also help teacher educators develop their own racial literacy. 相似文献
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María Cristina Cardona Moltó 《欧洲特需教育杂志》2013,28(1):115-117
The current paper reports on the outcome of an ongoing action research project at a school for higher-functioning students with Autism Spectrum Disorder (ASD) in Sweden. The overall aim of the study was to develop and evaluate a questionnaire that captures social and individual aspects of classroom learning suitable for use with students with ASD. Interview data is presented on the perceived utility of the questionnaire for understanding and planning classroom instruction for the children with ASD through the eyes of the students’ teachers and their parents, as assessed during an Individual Education Plan meeting. Further, teacher ratings obtained by means of the instrument were found to differentiate a group of students with ASD (n = 10) from a group of typically developing children matched with regard to grade year, word reading ability and receptive vocabulary (n = 10). Implications and future directions are discussed, as are limitations of this pilot study. 相似文献
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Rodolfo herrero Ricaño Héctor Barrón Soto 《The American journal of distance education》2013,27(1):68-71
Abstract Since 1947, distance education in Mexico has had an important role for nonconventional populations. Considering that distance education is a heterogeneous and dynamic field, it is important to reflect on the need to improve quality as measured by our own standards. With that perspective in mind, a national meeting was organized to start a self‐diagnosis in which quality and access were the main concerns. Five hundred and twenty specialists from fifty‐one institutions participated in a national interactive synchronous meeting held in four regions. As a result of the meeting, thirty‐five criteria and 230 parameters of quality were established. The main conclusion of the meeting refers to the need for the elaboration of our own indicators for open and distance education. 相似文献
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Using the case of FC Barcelona and Catalonia, this paper examines the relationship between national identity, social institutions and political values. Through different methods of qualitative research, we present an intergenerational comparison between age cohorts to capture continuities and discontinuities in the discursive linkage between FC Barcelona and national feelings of belonging. As the context has changed, the identity construction process should have changed in conjunction with it. The results point to how the old cohort tended to use Barça, as an escape valve, intertwined with Catalan nationalism and political freedom. In contrast, the young ones reproduce the old discourse leaving aside those political values formerly attached to the idea of Barça. 相似文献
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