8 resultados para épreuve d’effort

em Repositório Institucional UNESP - Universidade Estadual Paulista "Julio de Mesquita Filho"


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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This article analyzes the data resultant of the accomplishment, between 2008 and 2009, of an extension and research project on the international exchange of letters between teachers and students from elementary schools in the towns of Garça and Marília, São Paulo State, Brazil, with a school in the city of Azaruja, Portugal and another in the city of Luanda, Angola. It was developed by a team of students and teachers, UNESP, Marília, in order to promote the exchange via personal letters for that students, between 8 and 9 years old, could take possession of the written language, in this case Portuguese, and understand it as an instrument steeped in culture. The choice of this kind in the world of the epistolary genre was made because it promotes the participation of the Other in the configuration of dialogic relations in the elaboration of the statements, taken as a reference in a Bakhtinian conception of language. It aimed to (1) point, in the letters exchanged between teachers and students between the Portuguese, Brazilians and Angolans in the early years, the evidence of authorship linguistic behavior that could signal the beginning of autonomy in the use of the written modality of language, or signs of submissive behavior; (2) reveal the cultural content of language tools used to construct indicators listed on the customs of each people, including those constituting school doings. For the generation of data were used principles of action research, which enabled direct action, along with Brazilian teachers, and indirectly, in the case of the foreign teachers. From the analysis of the corpus of research - letters exchanged between teachers and students - it is clear that the appropriation of language as a speech act realized in human relations makes the old personal correspondence a powerful instrument of development in the area of the written language.

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Em sua obra L'épreuve de l’étranger (1984), Berman propõe uma teoria sobre o sujeito politradutor que vincula a pulsion du traduire do poète breton Armand Robin a uma visada metafísica — definida por este autor como a busca romântica da “pura língua”. No presente ensaio, essas conclusões são reavaliadas a partir de referências inéditas sobre o poeta abordadas antecipadamente. Embora ele tenha renunciado a ser Autor e tenha proclamado a negação de si mesmo (rejeição), subjazem a essa crônica exaltada denominada non-traduction tanto a tentativa de subverter uma tradição francesa etnocêntrica quanto o desejo íntimo de se ver autor (afirmação e aceitação).

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The aim of this study was to investigate whether the maximal power output (Pmax) during an incremental test was dependent on the curvature constant (W') of the power-time relationship. Thirty healthy male subjects (maximal oxygen uptake = 3.58 ± 0.40 L·min(-1)) performed a ramp incremental cycling test to determine the maximal oxygen uptake and Pmax, and 4 constant work rate tests to exhaustion to estimate 2 parameters from the modeling of the power-time relationship (i.e., critical power (CP) and W'). Afterwards, the participants were ranked according to their magnitude of W'. The median third was excluded to form a high W' group (HIGH, n = 10), and a low W' group (LOW, n = 10). Maximal oxygen uptake (3.84 ± 0.50 vs. 3.49 ± 0.37 L·min(-1)) and CP (213 ± 22 vs. 200 ± 29 W) were not significantly different between HIGH and LOW, respectively. However, Pmax was significantly greater for the HIGH (337 ± 23 W) than for the LOW (299 ± 40 W). Thus, in physically active individuals with similar aerobic parameters, W' influences the Pmax during incremental testing.

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Objective The present study aimed to examine the reproducibility of heart rate (HR) and rating of perceived exertion (RPE) values obtained during different incremental treadmill tests. Equipment and methods Twenty male, recreational, endurance-trained runners (10-km running pace: 10–15 km·h−1) performed, in a counterbalanced order, three continuous incremental exercise tests with different speed increments (0.5 km·h−1, 1 km·h−1 and 2 km·h−1). Thereafter, each participant performed the three tests again, maintaining the same order as before. The reproducibility of the HR and RPE values were analyzed for all protocols during submaximal intensities (8, 10, 12, and 14 km·h−1). In addition, it was examined the reproducibility of maximal HR (HRmax) and peak RPE (RPEpeak). Results The variability of both the HR and RPE values showed a tendency to decrease over the stages during the incremental test and was not or slightly influenced by the incremental test design. The HR at 14 km·h−1 and HRmax presented the highest reproducibility (CV < 2%). In contrast, the submaximal RPE values showed higher variability indices (i.e., CV > 5.0%). In conclusion, the HR values were highly reproducible during the stages of the incremental test, in contrast to the RPE values that presented limited reproducibility.