258 resultados para 1. Física de plasmas
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Pós-graduação em Fisioterapia - FCT
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Caracterização física e química da carne de peito de aves de diferentes idades submetida à maturação
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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We report here some outcomes of a research related to a didactical experience aiming to integrate the History of Science to the Physics Teaching, taking as background the historical development of the gravitational attraction. The research, of qualitative approach, is a case study and it was carried out in a sample of eleven students belonging to an undergraduate physics program (called licenciatura in Brazil) designed to from High School physics teachers in a São Paulo State Public University. We tried initially to reveal prospective teachers’ conceptions in order to provide a prepare that was used to guide the activities from the reality’s diagnosis. The aim was to promote discussions on the existence and persistence of alternative conceptions, on the historical evolution of the subject gravitational attraction, through readings and debates of texts contemplating recent subjects on the Science Education research, in order to generate dissatisfaction with traditional teaching models. The future High School physics teachers were asked to construct their own teaching proposal, through the development, in real situations, in a High School, of a minicourse based on: debates and synthesis developed in University classroom, the History of the Science and the student’s alternative conceptions. In this paper we will analyze future teachers’ alternative conceptions, the development of the course proposed, and details of the mini-courses taught by the prospective teachers in real situations, among High School students, its coherence and the posture changes observed in them.
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This article is part of a study that seeks to understand the main barriers to the inclusion of visually impaired students in learning Physics. Analyzing modern physics classes, we examine the difficulties in communication between teachers and visually impaired students. Our study emphasizes the analyses of empiricalsensory and semantic structures of speech, indicating factors that may hamper students’ understanding in the classroom. We recommend alternative procedures that aim to facilitate the effective participation of students with visual impairment in the communication process, such as: elimination of the interdependent audiovisual structure and the exploration of the communicational potentialities of a speech based on empirical structures whose accessibility does not depend on visual skills.
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Introduction: Due to the high incidence of low back pain without apparent cause, different approaches to evaluate the lumbar instability has been proposed, such as surface electromyography to determine pre-activation and the ability of lumbar stabilization through functional physical assessment. In this context, the objective of this study was to evaluate the early activation of the primary stabilizing muscles in subjects without low back pain, with different physical abilities function (CFF). Method: Study participants were 20 subjects with 19.8 ± 1.4 years, 55.7 ± 8.8 kilos, 1.66 ± 0.08 m, of both sexes. The subjects underwent six Tests Physical Function (TFF) and the Test of Fast Moving Flexion Arm (TMRFB) to capture the electromyographic activity of the lumbar multifidus muscles (LM) and internal oblique - lower fibers (HI). Were assigned weights for each functional test and the result of the physical capacity of the final functional subject ranged from 0 to 100%. In the analysis of TMRB was considered the onset time of activation between the ML and HI. Results: Regarding TFF 2 (10%) subjects were considered to have normal physical capacity, 6 (30%) with good physical ability and 12 (60%) with regular physical capacity or poor. As for TMRFB average values of initiation of muscle activation in 75% of subjects were within the limits to characterize the condition of pre-muscle activation. Conclusion:The results obtained in the TFF were low compared with the CFF of asymptomatic subjects evaluated. This fact does not mean that the condition of stabilization of the subject is appropriate. However, the results obtained in the electromyographic examination to suggest that 25% of asymptomatic subjects tested did not have a proper condition of lumbar stabilization.
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This paper presents an analysis of the content in acoustics present in physics textbooks recommended by PNLEM, which used the same criteria of evaluation from used by experts in the analysis of such books. In this way, we observed that such texts have evolved little in comparison with the textual presentations reviewed in 1998 and published in the journal Science and Education [1], which were analyzed ten physics textbooks for high school, among which the most commom, at the time, in Brazilian schools. Although we identified the inclusion of some aspects of the culture of sound and music, there are still several conceptual and historical distortions, besides the little importance has been given to links CTSA, among them, studies of soundscapes that, even, are mentioned.
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This work is intended to promote a reflection about the forms of work in groups for continuous training of teachers. Based on the hypothesis that the groups of study / discussion of specific topics in physics can have very effects significant and recommended by the literature, we based on the propositions of the educator José Contreras Domingo about autonomy of teachers and we does a report of an experience with group of continuing education in which they succeeded in developing the characteristics of autonomy of teachers in a job with physics teachers who participate in a group of study / discussion of topics of Modern and Contemporary Physics. In this way presents arguments relating the autonomy of teachers with the teacher continuing education and presents the report of a group of training teachers of physics who works along these lines.
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No presente artigo abordou-se o processo de profissionalização e formação acadêmica em Educação Física, buscando evidenciar as implicações surgidas em decorrência da trajetória de formação do professor dessa área. Embora esta se configure também como uma profissão docente, sua história apresenta particularidades com relação às outras áreas da docência escolar. Diante disto, o objetivo do estudo consistiu em estabelecer um diálogo entre as dimensões da profissionalização e da formação de professores de Educação Física para auxiliar na compreensão da situação atual da disciplina e do processo de construção da profissionalidade docente. Em articulação com a revisão da literatura foram discutidas as concepções de um grupo representativo de professores de Educação Física escolar da rede pública de ensino estadual de São Paulo - Brasil, coletadas por intermédio de entrevistas semi-estruturadas. Constatou-se que para os depoentes persistem, ainda, equívocos no imaginário da comunidade escolar a respeito do valor e da função da disciplina Educação Física para o desenvolvimento do alunado, sendo a disciplina freqüentemente indicada como sinônimo de esporte. Entende-se que a compreensão da trajetória dessa profissão até o momento (que pode ser considerada uma profissão recente), assim como os fatores que contribuíram para a desvalorização do professor da área, são importantes recursos para começar a pensar o futuro. Concluiu-se que cabe, especialmente, à formação docente constituir-se num componente que efetivamente contribua para a (re)construção da profissionalidade do professor e para a legitimação da disciplina Educação Física no campo educacional.
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O objetivo desta pesquisa é realizar, uma avaliação crítica de algumas das proposições teórico-metodológicas para a Educação Física Escolar elaboradas no Brasil nas décadas de 1980 e 1990, a partir do ponto de vista de seus autores. Para tal, foram entrevistados seis autores. Conclui que tais proposições continuam sendo importantes na formação dos professores, mas precisam ser articuladas com novos conhecimentos e se aproximarem das práticas pedagógicas concretas.
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This paper is aimed at understanding which the most important difficulties and alternatives to include students with visual impairments in physics classes. It presents and discusses the difficulties and viabilities of having a born blind student effectively attend Modern Physics classes. Using content analysis, this experiment identifies 6 functional classes that might correspond to difficulties and 4 which refer to the viabilities. Therefore, the importance of appropriate communicative environments, the including role of the interactivity element, as well as the need for destitution of segregation environments inside classroom, are emphasized.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Although leisure physical activity has been investigated in general population, there is absence of data in Brazilian Public Health System about this issue. Thus, the purpose of this study was to analyze in patients attended by Public Health System the prevalence of leisure physical activity, as well as, to identify its correlates and associated diseases. Sample was composed by 963 patients (707 female and 256 male) randomly selected at five basic healthcare units. Leisure physical activity was assessed by Baecke’s questionnaire and subjects with ≥180 and ≥240 minutes per week were classified as sufficiently active. General and central obesity were assessed by body mass index and waist circumference, respectively. Diseases of high occurrence were classified according CID-10. There was low rate of physically active subjects in leisure time (14.8%),but high rate of abdominal obesity (70.1%) and orthopedic diseases (72.1%). Physically active subjects in leisure time had lower occurrence of orthopedic diseases (OR= 0.60 [OR95%CI: 0.37 – 0.98]). The same pattern of association was observed for central obesity (OR= 0.35 [OR95%CI: 0.19 – 0.65]). It is low the rate of physically active in leisure time at Brazilian Public Health System, which is associated with orthopedic diseases.