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The effects of differential and variable training on the quality parameters of a handball throw 总被引:1,自引:0,他引:1
Wagner H Müller E 《Sports biomechanics / International Society of Biomechanics in Sports》2008,7(1):54-71
The aim of this study was to undertake a comprehensive temporal, effective, and practical training study (variable and differential learning) that would offer athletes the opportunity to increase their performance, and to analyse the effects by measuring kinematics and quality parameters. Two participants of differing standards--a player of the first Austrian League and an Olympic and World Champion--but of similar anthropometric characteristics were recruited. One of the participants (Austrian League) was tested on five different occasions (pre-test and four retests) to measure the effects of four different training phases using kinematic analysis. The results of the study indicate an increase in ball velocity within the differential training phases (first, second, and fourth phases), different proximal-to-distal sequences of the participants, and a change of movement pattern during training measured by the segment velocities and the angle-time courses. 相似文献
163.
Victoria M. Esses Ulrich Wagner Carina Wolf Matthias Preiser Christopher J. Wilbur 《Int J Intercult Relat》2006,30(6):653
In the current research, we examined whether promoting an inclusive national ingroup that includes both immigrants and nonimmigrants would improve attitudes toward immigrants and immigration among members of receiving societies. We also determined whether one's nation of citizenship and individual differences in social dominance orientation would moderate the effects. Participants were 126 Canadian students and 282 German students, who completed a measure of social dominance orientation and were then asked to respond to a series of questions designed to heighten the salience of national identity (national identity), promote a national ingroup that includes immigrants (common national ingroup), or irrelevant questions (control). The dependent measures included attitudes toward immigrants and immigration, and subtle prejudice toward immigrants. Results revealed that the manipulation of a common national ingroup successfully promoted more positive attitudes toward immigrants and immigration among higher social dominance oriented Canadian participants, but tended to have detrimental effects on the attitudes of higher social dominance oriented German participants. Results are discussed in terms of the importance of considering the context in which groups are situated, as well as implications for developing strategies to promote harmony between immigrants and members of receiving societies. 相似文献
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Klaus Wedell Chris Stevens Terry Waller & Lydia Matheson 《British Journal of Special Education》1997,24(4):167-170
Klaus Wedell, a project consultant, and members of the Special Educational Needs Co-ordinator (SENCo) Project at the National Council for Educational Technology (NCET), Chris Stevens (Manager for Special Needs), Terry Waller (Senior Project Officer) and Lydia Matheson (Information Officer) report on the initial findings of the Project. 相似文献
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Klaus Heinemann 《Sportwissenschaft》1980,10(4):360-374
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About 37% of the funds spent in 1987 for research in the Federal Republic of Germany result from government sources. The Federal government's overall annual budget alone totals $291 billion per year (1989). This makes the government sector an important generator, distributor, and consumer of scientific, technical, and government specific information. This article describes the role of the government in this context and discusses important government policy issues. 相似文献
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