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Cristina Cadenas-Sánchez Raúl Arellano Sonia Taladriz Gracia López-Contreras 《Journal of sports sciences》2016,34(3):224-231
The aim of this study was to examine spatiotemporal characteristics and joint angles during forward and backward walking in water at low and high stride frequency. Eight healthy adults (22.1 ± 1.1 years) walked forward and backward underwater at low (50 pulses) and high frequency (80 pulses) at the xiphoid process level with arms crossed at the chest. The main differences observed were that the participants presented a greater speed (0.58 vs. 0.85 m/s) and more asymmetry of the step length (1.24 vs. 1.48) at high frequency whilst the stride and step length (0.84 vs. 0.7 m and 0.43 vs. 0.35 m, respectively) were lower compared to low frequency (P < 0.05). Support phase duration was higher at forward walking than backward walking (61.2 vs. 59.0%). At initial contact, we showed that during forward walking, the ankle and hip presented more flexion than during backward walking (ankle: 84.0 vs. 91.8º and hip: 22.8 vs. 8.0º; P < 0.001). At final stance, the knee and hip were more flexed at low frequency than at high frequency (knee: 150.0 vs. 157.0º and hip: ?12.2 vs. –14.5º; P < 0.001). The knee angle showed more flexion at forward walking (134.0º) than backward walking (173.1º) (P < 0.001). In conclusion, these results show how forward and backward walking in water at different frequencies differ and contribute to a better understanding of this activity in training and rehabilitation. 相似文献
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The introduced study represents methodology and results of research focused on utilization of interactive whiteboard as didactic technology mediating information through multimedia worksheets applied in education process in pre-primary education. Its aim was to determine whether it can significantly increase the level of children’s acquired knowledge in the field of technical skills education and whether it can positively influence the development of children’s creative skills as a sign of their motivation. We observe that this issue in the way it is theoretically and practically established in this study can contribute by proposing education standards and set of multimedia worksheets in the technical field in Slovak pre-primary education. 相似文献
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Elba Ramos López 《Prospects》1989,19(1):49-55
Previously University Director of Student Welfare and Students' Concerns at that university. Has also worked as Vocational Counsellor and teacher at several universities in Peru. Is interested in psychological research and in vocational and psychological guidance. 相似文献
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This article examines the traditional assumption that higher education evaluation systems follow a similar global format. Comparative study examines institutional evaluation and assessment processes in two nation‐states that are geographically and economically remote but which, historically, share a common civic perspective. The main research question of the study is: What are the similarities and differences in the social functions of evaluation and assessment between these two countries, the models of evaluation of which originate from the same “homogeneous model of institutional evaluation”? The study demonstrates that Finnish and Argentine models of evaluation are nationally and contextually bound by general ideas rather than being applications of a global model. 相似文献
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The following project aimed at promoting integrated and long-lasting learning is described for an Immunology course, but it may be adapted to other disciplines. Students were asked to develop and carry out a research project to examine the relationship between immune function and stress. The experiments were required to include the assessment of salivary cortisol and salivary IgA (sIgA) with enzyme immunoassays. All other aspects of the experiments were developed by student groups with appropriate guidance from the instructor. Data are presented for one group project that assessed the effect of music on cortisol and sIgA. Overall levels of sIgA and cortisol were consistent with reported values. Students found a significant decrease in cortisol over time. Additionally, there was a trend that supported the overall student hypothesis regarding the effect of stress and immune function. Compared with the same Immunology course that included an instructor-designed experiment using enzyme immunoassays for cortisol and sIgA, several assessments (e.g., final grades and comments on student evaluations) show that overall learning seemed to be much better in the course with the student-directed research project. 相似文献
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Self‐determination is considered to be a basic human right which, to develop, demands contextual opportunities as well as individual competencies. For people with intellectual and developmental disabilities, the family is the natural support environment in the task of increasing control over their own lives. There is little, however, that has been published in Spain on the needs and strengths of families in this regard. This article presents a study carried out in Spain on the knowledge, attitudes and strategies that a sample group of parents (N = 201) have regarding self‐determination. An analysis of the data gathered highlights the need for intervention proposals to prepare parents to further their children's self‐determination, through collaborative partnerships and through cognitive restructuring. 相似文献
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González Ramos Ana M. Fernández Palacín Fernando Muñoz Márquez Manuel 《Tertiary Education and Management》2015,21(4):263-276
Tertiary Education and Management - Why is the gender gap so large in researchers’ career progression? Do men and women have different priorities in their academic careers? This study... 相似文献
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A number of studies have concluded that when students have greater confidence about their math skills and are aware of its
usefulness, they have a more positive perception of the subject. This article aims to examine whether this pseudo linear trend
in the relationship between affective and instrumental dimensions is also true of the university context. Special attention
is devoted to the articulation of these dimensions in structuring student perceptions of quantitative methods so as to identify
the various forms that this interaction can assume. Our second aim is to understand how the perceptions of these subjects
are constructed by students from degree courses in distinct scientific areas. Can we speak of group dynamics whereby socialization
within each degree course triggers the sharing of similar perceptions? We concluded that a certain linear trend can also be
identified in the university context in the relationship between the affective dimension and usefulness of quantitative methods
i.e., that the highest levels in the perception of the usefulness of these subjects corresponded to the highest levels of
self confidence and enjoyment of the subjects. However, in addition to this scenario there is another configuration in which
negative feelings coexist with the recognition of the usefulness of quantitative methods subjects. Namely, lower levels of
self confidence and enjoyment of these subjects can also be associated with high levels of perceived usefulness. We also concluded
that there is evidence of what we designated a certain course culture in the perceptions about quantitative methods. Nevertheless,
when our observation is extended to the scientific area the heterogeneity of the perceptions becomes evident. Another important
finding is the rejection of the thesis, at least in the university context, that defends the lack of self-confidence in quantitative
methods among females student. 相似文献
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