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161.
162.
The aim of this study was to develop insight into the whole-body and multi-joint kinematic control strategy variability associated with the execution of fundamental backward rotating dismounts from beam. Two-dimensional joint centre coordinate data were obtained for ten backward piked and backward tucked somersault dismount skills performed by four female gymnasts (N = 80 trials). Gymnast-specific and group variability in whole-body and multi-joint discrete kinematic measures were compared for the aerial and impact phase of backward piked and backward tucked skills. The backward tucked skill was executed using a more variable knee joint angular velocity at take-off (mean difference in standard deviation ± SD: -2.6 ± 1.0 rad · s(-1); P < 0.01) than the backward piked skill. The variability in the whole-body and multi-joint kinematic responses produced between the impact phases of each skill was gymnast-specific. The greater variability in the localized knee joint action at take-off was considered indicative of the diverse shape element demands and key performance outcomes of the two skills. Self-selected modulations to the multi-joint kinematic strategy used in the impact phase suggested customization of the joint loading adjustments in executing the fundamental dismount skills. 相似文献
163.
Manning ML Irwin G Gittoes MJ Kerwin DG 《Sports biomechanics / International Society of Biomechanics in Sports》2011,10(3):161-173
Tkachev on uneven bars is a release and re-grasp skill performed using variations of preparatory longswing techniques; the reasons why different techniques are chosen remains unclear. This study examined kinematic and key release parameters specific to three distinct techniques with the aim of understanding the relative benefits of each. During two international artistic gymnastics competitions six arch, straddle and pike longswings preceding the straddle Tkachev were recorded using twin video cameras. Calibration and movement images were digitised and reconstructed using 3D DLT. Shoulder and hip angular kinematics, angular momentum and key release parameters were compared between techniques. In the arch longswing, the first and second hip functional phases began significantly earlier than the straddle or pike. No significant differences were established for release parameters although large effect sizes for horizontal release velocity and angular momenta about the mass centre and bar were reported between the arch and other two variants. Therefore, the arch variant may provide the opportunity to develop more complex combinations following the Tkachev. Providing insight into mechanical advantages of specific longswing techniques, and highlighting those that elicit desirable characteristics offers the potential to provide coaches with objective data on technique selection and ultimately skill development. 相似文献
164.
165.
Marianne Hicks 《Media History》2013,19(2):167-183
The London Daily Express proclaimed the maxim ‘No War this Year’ on its front pages as late as 7 August 1939. Newspaper historian Stephen Koss has suggested that the ‘no war’ slogan was a ‘delusion’ on the part of the proprietor, Lord Beaverbrook. Berlin chief correspondent, R. Selkirk Panton, was instrumental in ensuring that the policy line was observed through both his news stories and opinion pieces throughout 1938 and 1939. This paper aims to explore the extent to which Panton shared his employer's views, as well as tracing the divergent path of the Express from the rest of Fleet Street and Panton's position as a political outsider within the ‘foreign press colony’ of Berlin. Through the examination of several key stories during the last year before the outbreak of war, in his copy and personal correspondence, a critical evaluation of how Panton negotiated the space between the policy of the paper and the European crises on which he reported can be achieved. 相似文献
166.
Hermundur Sigmundsson Marianne StØlan Rostoft 《Scandinavian Journal of Educational Research》2013,57(4):451-459
This study set out to explore motor competence in 4-year-old children. This age group has not been previously tested in Norway. Ninety-one 4-year-old children from ten nursery schools were tested using the Movement ABC test. The most striking finding was that only one out of 91 children would be classified as clumsy within the fifth percentile of the USA norms, with seven children being 'borderline'. The study also showed that out of the eight children failing in the motor impaired and borderline groups, seven were boys. Clear sex differences were also apparent in the development of motor skills. On the total scores and in the two of three sections (manual dexterity and balance) boys were significantly worse than girls. There were no significant differences between the sexes with respect to ball skills competence. 相似文献
167.
Marianne Cotugno 《Journal of Criminal Justice Education》2013,24(4):597-622
This article argues for a case study approach to teaching critical thinking skills to criminal justice students. The article looks at a high-profile case during President Obama’s presidency, the disorderly conduct arrest of Dr. Henry Louis Gates, Jr. by Sgt. James Crowley of the Cambridge police department, to demonstrate how to facilitate guided discussion in the classroom as a way to reveal the complex processes that produce workplace documents and to encourage criminal justice students, as future professionals, to be more thoughtful producers and users of workplace writing. The article draws on multiple primary and secondary documents as well as archival research. Although the article focuses on an event that received national attention, this approach can be applied to the discussion of any workplace document. 相似文献
168.
May Britt Postholm Marianne Wold Granum Annlaug Flem Sigrun Gudmundsdottir 《Teachers and Teaching》2013,19(2):149-159
This paper brings into focus what can happen when a person is both a researcher and a teacher in two different classrooms almost at the same time. In the two classrooms project work is the subject of inquiry and the working method used. The aim of the research was to figure out how group work and collaborative processes function during project work, and to compose and present a kind of ‘thinking tool’ for other teachers to use when reflecting over their own teaching. Both the researcher and the informant maintain that they influenced each other. The paper also shows that the teacher/informant interactions in addition mediate the researcher’s work as a teacher. 相似文献
169.
Higher education institutions in the UK are required, by law, to make anticipatory reasonable adjustments for students with disabilities. Inclusive teaching practice, if adopted across the sector, would ensure that the needs of students with disabilities are considered and provided for, before they even arrive on campus. This paper sets out the background and key findings from an institutional research project at a UK university that aimed to discover if academic staff's attitudes would be problematic or conducive to the implementation of inclusive teaching practice. The paper concludes that there is little evidence of widespread “resistance” but rather, the research discovered a prevailing belief in the rights of students with disabilities to education, albeit a belief which is limited in its practical application in the classroom. The paper also reports on a number of recommendations made to the case study university as a result of this research. 相似文献
170.
Abstract Swedish universities are required to change towards more effective self‐regulation as the government has recently reduced state steering and devolved further responsibilities to them. In this paper, ‘self‐regulation’ is related to the concept of ‘autonomy’, a concept which is analysed on the two dimensions of ‘purpose’ and ‘authority’, resulting in four models of state governance and consequently in a different ‘space of action’ for the institutions. However, in order to develop self‐regulation, the space granted must also be used effectively to realise autonomy. Six Swedish higher education institutions are analysed concerning how they have used their new space of action and what restrictions they have met in their efforts for self‐regulation. 相似文献