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81.
Erica M. Buckeridge Anthony M.J. Bull Alison H. McGregor 《Sports biomechanics / International Society of Biomechanics in Sports》2014,13(1):47-61
The rowing stroke is a leg-driven action, in which forces developed by the lower limbs provide a large proportion of power delivered to the oars. In terms of both performance and injury, it is important to initiate each stroke with powerful and symmetrical loading of the foot stretchers. The aims of this study were to assess the reliability of foot force measured by footplates developed for the Concept2 indoor ergometer and to examine the magnitude and symmetry of bilateral foot forces in different groups of rowers. Five heavyweight female scullers, six heavyweight female sweep rowers, and six lightweight male (LWM) rowers performed an incremental step test on the Concept2 ergometer. Vertical, horizontal, and resultant forces were recorded bilaterally, and asymmetries were quantified using the absolute symmetry index. Foot force was measured with high consistency (coefficient of multiple determination>0.976 ± 0.010). Relative resultant, vertical, and horizontal forces were largest in LWM rowers, whilst average foot forces significantly increased across stroke rates for all three groups of rowers. Asymmetries ranged from 5.3% for average resultant force to 28.9% for timing of peak vertical force. Asymmetries were not sensitive to stroke rate or rowing group, however, large inter-subject variability in asymmetries was evident. 相似文献
82.
Judith Anne Mckenzie Catriona Ida Macleod 《International Journal of Inclusive Education》2013,17(10):1083-1098
In this study, we adopt the concepts of Michel Foucault on the medical gaze and Nikolas Rose on psychological expertise to differentiate between two forms of expertise evident in the education of intellectually disabled children. We draw on a discourse analytic study carried out in South Africa on intellectual disability in relation to educational practice to examine the operation of a medico-psychological gaze that calls for disability expertise in the management of disability. We conclude our discussion by noting that the dichotomy between impairment and disability that is proposed in the social model of disability does little to destabilise the power of the medico-psychological gaze since impairment is conceded to biomedical knowledge as an object of positive knowledge. This tacit acceptance of the medical authority gives sanction to disability expertise that operates in diffuse ways to regulate the educational experience of learners with intellectual disability. The implications of this conception for inclusive education are briefly explored, and further areas for research are suggested. 相似文献
83.
Ida Oswald Susanne Wilson Thomas R. Giblin Charles Boeckman Donald R. Gordon Jess Ritter 《Communication Booknotes Quarterly》2013,44(11):6-7
Ida Oswald and Susanne Wilson, This Bag Is Not A Toy: A Handbook for The Use of Videorecording in Education For the Professions (New York: Council on Social Work Education, 1972 – (price not known), paper. Thomas R. Giblin (ed.) Popular Media and the Teaching of English (Pacific Palisades, Calif.: Goodyear Publishing Co., 1972 – $3.95, paper) Charles Boeckman's And the Beat Goes On: A Survey of Pop Music in America (Washington: Luce, with distribution by David McKay of New York, 1972 – $5.95) Donald R. Gordon's The New Literacy (Toronto: University of Toronto Press, 1971 – $10.00/2.75/10.00 (hard, paper, microfiche editions) Jess Ritter and Grover Lewis (eds.) Focus/Media (San Francisco: Chandler, 1972 – $5.00, paper) Otto Lerbringer (of Boston University's School of Public Communication), Designs for Persuasive Communication (Englewood Cliffs, N.J.: Prentice-Hall, 1972 – $8.95/4.95) 相似文献
84.
The main goals of e-government are to increase agency efficiency and offer benefits to citizens. These goals have often been addressed as two interplaying outcomes of public e-service development, which are possible to achieve in parallel. This article shows that the two frequently applied stakeholders of e-government (agencies and citizens) are much too extensive and heterogeneous in order to be meaningfully addressed in public e-service conceptualization and development. We conduct a stakeholder centered analysis of a public e-service development and implementation process in order to identify stakeholder groups and discuss how they differ in their perceptions and, consequently, also in their feelings of relevance and need related to the e-service. By adopting a multi-faceted perspective on stakeholders, public e-service development can be analyzed and understood in a way that takes several stakeholder groups into account. Our study contributes with deeper insights about a situation where stakeholder salience changes over time, while some stakeholder groups have low salience during the entire process. The result of conducting a stakeholder centered analysis is that we, by visualizing the stakeholder groups' differences, are better prepared to meet and combine different needs related to a planned e-service. Thus, we argue that a stakeholder centered analysis of expectations and opinions concerning the e-service help to develop e-services possible to succeed in offering both external service and internal efficiency. 相似文献
85.
This article explores the correspondence between the vision of play articulated in Singapore’s national kindergarten curriculum framework and the play-related pedagogies enacted by teachers on the ground, particularly during Learning Centre Time (LCT). Influenced by neo-liberal ways of thinking, the curriculum states that purposeful play is a medium to achieve intended learning outcomes. The study is part of a longitudinal project where 108 Kindergarten 1 classrooms were videotaped during a full ‘typical day’ (3–4 h). While learning centres were set up in all classrooms, only 36 LCT episodes were identified. Certain learning centre types (literacy, arts) were more common than others (numeracy, science), and time spent by teachers in the different centres varied widely. Children were allowed limited freedom of choice while playing in learning centres, and some were even required to complete assignments. While teachers tended to adopt facilitative roles, quality of instructional support provided to children was low. We conclude that pedagogical practices during LCT in the observed classrooms do not adequately reflect the curriculum’s vision of purposeful play. This theory/practice gap might be due to curriculum expectations, teacher-related factors (beliefs, lack of preparation) and parental pressures. Implications, limitations and lines for future research are discussed. 相似文献
86.
This article notes that very little research has previously been published on how best to assist vulnerable witnesses to provide information relevant to crime investigations. It then provides commentary on four of the articles in this Special Issue. These four articles constitute a major contribution to knowledge on this difficult to research topic. 相似文献
87.
This paper introduces LSLS, an interactive learning environment to raise learner awareness of language learning strategies. Strategies of potential interest to a student are suggested based on (i) the students learning style; and (ii) similarities between new strategies and strategies already used by the individual. LSLS is intended primarily for use in contexts where resources are limited. An initial study suggests that learners will find many of the strategy recommendations useful. 相似文献
88.
Ida Rose Florez 《Journal of Early Childhood Teacher Education》2013,34(2):118-134
Case analysis is often used in early childhood teacher education as a constructivist method for developing students' professional skills and knowledge. Although case-based instruction is popular, the professional literature contains little empirical evidence that it effectively helps students develop professional knowledge. Indeed, some empirical evidence suggests case-based instruction may negatively impact learning, especially for students with limited existing knowledge about children's development. This study compared the child development content knowledge gains of two classes of undergraduate preservice early childhood teachers: those taught child development with case-based instruction and those taught the same content with traditional didactic instruction. The study also sought to determine if students' level of prior knowledge interacted with the type of instruction they received. Results indicated that students with strong prior knowledge out-performed classmates regardless of instructional method (i.e., case-based or didactic instruction). Students at all levels of prior knowledge had similar knowledge gains across both case-based and didactic instruction, but data trends suggest students with the least prior knowledge gained the most knowledge with case-based instruction. 相似文献
89.
Esther M. Bergman Judith M. Sieben Ida Smailbegovic Anique B.H. de Bruin Albert J.J.A. Scherpbier Cees P.M. van der Vleuten 《Anatomical sciences education》2013,6(2):114-124
Anatomy education often consists of a combination of lectures and laboratory sessions, the latter frequently including surface anatomy. Studying surface anatomy enables students to elaborate on their knowledge of the cadaver's static anatomy by enabling the visualization of structures, especially those of the musculoskeletal system, move and function in a living human being. A recent development in teaching methods for surface anatomy is body painting, which several studies suggest increases both student motivation and knowledge acquisition. This article focuses on a teaching approach and is a translational contribution to existing literature. In line with best evidence medical education, the aim of this article is twofold: to briefly inform teachers about constructivist learning theory and elaborate on the principles of constructive, collaborative, contextual, and self‐directed learning; and to provide teachers with an example of how to implement these learning principles to change the approach to teaching surface anatomy. Student evaluations of this new approach demonstrate that the application of these learning principles leads to higher student satisfaction. However, research suggests that even better results could be achieved by further adjustments in the application of contextual and self‐directed learning principles. Successful implementation and guidance of peer physical examination is crucial for the described approach, but research shows that other options, like using life models, seem to work equally well. Future research on surface anatomy should focus on increasing the students' ability to apply anatomical knowledge and defining the setting in which certain teaching methods and approaches have a positive effect. Anat Sci Educ 6: 114–124. © 2012 American Association of Anatomists. 相似文献
90.
Yasuharu Nagano Hirofumi Ida Masami Akai Toru Fukubayashi 《Journal of sports sciences》2013,31(14):1525-1534
Abstract Female athletes are considered to exhibit knee and trunk motion that is characteristic of anterior cruciate ligament (ACL) injury. The aim of this study was to examine the in vivo motion of the trunk and knee during a cutting manoeuvre and determine the relationship between them. All participants (10 male and 10 female college athletes) performed a shuttle run cutting task with the left limb. Trunk inclination (forward and lateral) and knee joint angles (flexion/extension, abduction/adduction, and internal/external tibial rotation) were calculated. Differences between the sexes and associations between knee motion and trunk inclination were examined. An increase in trunk forward inclination was strongly correlated with an increase in knee flexion angle and moderately correlated with a decrease in the excursion of internal tibial rotation. An increase in right trunk lateral inclination was moderately correlated with an increase in excursion of internal tibial rotation. The results also showed differences between the sexes in trunk forward inclination, lateral inclination, and knee flexion angle, but no such differences in knee abduction or internal tibial rotation. Trunk inclination is related to knee flexion and excursion of internal tibial rotation. Female athletes demonstrate a low trunk forward inclination and knee flexion angle, a posture that resembles that of ACL injury. 相似文献