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11.
Ana Cristina de David Felipe Pivetta Carpes Darren Stefanyshyn 《Journal of sports sciences》2015,33(4):391-397
Joint moments can be used as an indicator of joint loading and have potential application for sports performance and injury prevention. The effects of changing walking and running speeds on joint moments for the different planes of motion still are debatable. Here, we compared knee and ankle moments during walking and running at different speeds. Data were collected from 11 recreational male runners to determine knee and ankle joint moments during different conditions. Conditions include walking at a comfortable speed (self-selected pacing), fast walking (fastest speed possible), slow running (speed corresponding to 30% slower than running) and running (at 4 m · s?1 ± 10%). A different joint moment pattern was observed between walking and running. We observed a general increase in joint load for sagittal and frontal planes as speed increased, while the effects of speed were not clear in the transverse plane moments. Although differences tend to be more pronounced when gait changed from walking to running, the peak moments, in general, increased when speed increased from comfortable walking to fast walking and from slow running to running mainly in the sagittal and frontal planes. Knee flexion moment was higher in walking than in running due to larger knee extension. Results suggest caution when recommending walking over running in an attempt to reduce knee joint loading. The different effects of speed increments during walking and running should be considered with regard to the prevention of injuries and for rehabilitation purposes. 相似文献
12.
Daily report cards as a school‐based intervention for children with attention‐deficit/hyperactivity disorder 下载免费PDF全文
This paper describes daily report cards and the evidence relating to their use in schools for children with attention‐deficit/hyperactivity disorder (ADHD). This intervention typically involves teachers evaluating a student's behaviour at school against pre‐determined targets and parents subsequently providing reinforcement at home for positive reports. Research suggests that the daily report card has been effective in treating a range of ADHD symptoms and improving school outcomes, including academic achievement in some cases. The daily report card also encourages collaboration between teachers and parents, and evidence suggests that the intervention benefits from the inclusion of reinforcement at home. Daily report cards are easy to implement and research finds that teachers consider them an acceptable intervention for ADHD. This paper also considers challenges in using daily report cards, including barriers to their use over the long‐term and the risk of stigma for children with a report card. Ideas to address these issues are suggested. 相似文献
13.
We compared the efficacy of three physical conditioning programmes provided over a 12 week period (24 h in total) on selected anthropometric and physical fitness parameters in female soccer players. Two of the groups received physical conditioning training in accordance with speed, agility and quickness (SAQ); one group used specialized resistance and speed development SAQ equipment (equipment group; n = 12), while the other group used traditional soccer coaching equipment (non-equipment group; n = 12). A third group received their regular fitness sessions (active control group; n = 12). All three interventions decreased (P < 0.001) the participants' body mass index (-3.7%) and fat percentage (-1.7%), and increased their flexibility (+14.7%) and maximal aerobic capacity (VO2max) (+18.4%). The participants in the equipment and non-equipment conditioning groups showed significantly (P < 0.005) greater benefits from their training programme than those in the active control group by performing significantly better on the sprint to fatigue (-11.6% for both the equipment and non-equipment groups versus -6.2% for the active control group), 25 m sprint (-4.4% vs -0.7%), left (-4.5% vs -1.0%) and right (-4.0% vs -1.4%) side agility, and vertical (+18.5% vs +4.8%) and horizontal (+7.7% vs +1.6%) power tests. Some of these differences in improvements in physical fitness between the equipment and non-equipment conditioning groups on the one hand and the active control group on the other hand were probably due to the specificity of the training programmes. It was concluded that SAQ training principles appear to be effective in the physical conditioning of female soccer players. Moreover, these principles can be implemented during whole team training sessions without the need for specialized SAQ equipment. Finally, more research is required to establish the relationship between physical fitness and soccer performance as well as the principles underlying the improvements seen through the implementation of SAQ training programmes. 相似文献
14.
This paper discusses a strategy for accelerating the development of a regionally grounded knowledge base on educational leadership and management in East Asia. The study reviews data on patterns of knowledge production in East Asia, and employs the findings in the development of a strategy for increasing knowledge production. The study concludes that a suitable coordination strategy for the region should incorporate formal and informal strategies, be intermediate in scale and organised around a common research agenda. The authors propose that the substantive findings and the method of strategy analysis may also be relevant for academic leaders in other developing regions of the world. 相似文献
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16.
Arulmani Gideon van Laar Darren Easton Simon 《International Journal for Educational and Vocational Guidance》2003,3(3):193-204
This paper responds to current discussions in career psychology that emphasise the importance of understanding how socio-economic
backgrounds and social-cognitive environments influence career development. Located in India, this study examines the interaction
between career beliefs and socio-economic status within a sample of Indian high school students. Significant socio-economic
status differences were observed, with the lower SES groups showing higher levels of negative career beliefs. The relevance
of these findings to career psychologists who work in multi cultural contexts is discussed within the framework of the Social
Cognitive Theories of Career Decision Making.
This revised version was published online in July 2006 with corrections to the Cover Date. 相似文献
17.
Science, technology, engineering and mathematics (STEM) is a form of education seen by many governments and educators as a preparation of the types of students needed for the future. STEM education is being developed in many countries without the support of official policy, such as is the case in Canada. In the United States, the National Science Foundation (NSF), and a private non-profit organisation, Achieve Inc.?, have been enlisted to develop policy to guide the development on STEM nationally. Due to its influence in global politics and economy, many countries, including Canada, are interested in how the United States is preparing its citizens for the future through STEM education. In this paper we present a critical discourse analysis on STEM policy from the United States as a basis to discuss: biopolitics in science education; notions of citizenship in contemporary school education and science education; and citizenship and STEM education. 相似文献
18.
Darren Webb 《British Journal of Educational Studies》2016,64(4):431-448
This paper offers a critique of educational real utopias. Real Utopias are experimental forms of thought and practice intended to harness the transgressive force of traditional utopianism while avoiding its associated dangers. The concept has been embraced by the field of educational studies and applied to the study of various educational settings, institutions and processes. This paper does four things. Firstly, it outlines the concept of utopian realism and highlights those aspects that are said to differentiate it from the utopia that supposedly played a role in the human catastrophes of the twentieth century. It then evaluates a selection of educational real utopias to assess whether they can, in fact, be said to have succeeded in the task of harnessing the intellectual force while overcoming the dangers of traditional utopianism. Thirdly, the paper offers a critique of utopian realism, arguing that the concept of utopia has become thoroughly domesticated. Finally, the paper defends the expansive and holistic concept of utopia that utopian realism rejects. The argument here is that only when utopia is understood as a holistic system is it able to produce its most potent pedagogical effects. 相似文献
19.
Kaycheng Soh 《Journal of Higher Education Policy & Management》2016,38(1):78-87
Many universities strive to become world-class and two of Singapore’s universities are almost there, being ranked 12th and 13th in the QSWUR 2015/16. This study looked into the details of indicator rankings and found that the two universities are comparable to those in the top 10 universities in the same ranking in practically all indicators with the exception of Citations. Further analysis of the data of the 58 highest ranking universities with complete data revealed discrepancies in the assigned and attained indicator weights. Moreover, the Academic and Citations categories were not able to be used in stepwise regression calculations. These indicate that the computed Overall result is not what the ranker intended it to be and needs re-interpretation. If rankings are not anchored in statistical ground, discussions on rankings are at the abstract and verbal level, similar to discourses on alchemy (faith) vis-a-vis chemistry (facts). 相似文献
20.