866 resultados para Diagrames de fase
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Engenharia Elétrica - FEIS
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Pós-graduação em Engenharia Elétrica - FEIS
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Pós-graduação em Zootecnia - FCAV
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Pós-graduação em Engenharia Mecânica - FEIS
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Pós-graduação em Pesquisa e Desenvolvimento (Biotecnologia Médica) - FMB
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Pós-graduação em Ciências Biológicas (Genética) - IBB
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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The stroke, cause of morbidity and mortality, has been associated with imbalance in the neural control of the heart, which contributes to the decrease in heart rate variability (HRV) and a prognostic factor for cardiacevents and arrhythmias. The aim of this study was to in investigate the autonomic modulation of heart rate of men suffering from lesions stroke in chronicphase. Eight menaged 58.62 ± 2.88 years, 27.41 ± 5.33 kg/m2of bodymass índex, with paresis for at least six months were studied. Heart rate (HR) and RR intervals (iR-R) were recorded at rest in supine position for 10 minutes. Geometric índices of the Poincaré plot were calculated: SD1, associatedwith vagal activity; SD2, associated with global activity but sympathetic predominance, and the relationship of both (SD1/SD2). Geometric index values in the sample: SD1 = 20,54 ± 9,90ms; SD2 = 36,80 ± 30,61ms; SD1/SD2 = 0,49 ± 0,04. The reference values from literature for healthy subjects are: SD1 = 19.6 ± 9.4ms e 22.8 ± 16.1 ms; SD2 = 43.2 ± 17.7 ms e 56.3 ± 12.3 ms; SD1/SD2 = 0.49 ± 0.21ms. Men in chronic phase of stroke haven't autonomic dysfunction analyzed by nonlinear method – Poincaré geometricíndices.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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The main objective of this study was to analyze the behavior of variables related to swim ability at and above maximal lactate steady state (MLSS), performed at continuous and intermittent conditions in individuals with different aerobic performance levels. Participated of this study male swimmers with ages between 20 to 25 years, specialists in events of 400 m, 800 m and 1500 m and open water swims, with at least 3 years of experience in the modality. The individuals performed a maximal 400-m swim test. After this test, they were divided into two groups, in accordance with the speed attained during 400-m swim test: G1 (higher performance) and G2 (lower performance). For the determination of continuous MLSS (MLSSc), 2 to 4 trials of 30-min were performed. For the determination of the intermittent MLSS (MLSSi) 2 to 4 trials of 30-min (12 repetitions of 2 min 30 s, with 30 s of rest) were performed, in constant speed, with the first trial performed at 102.5% MLSSc. Th technical indexes, stroke rate (FB) and stroke length (CB) were determined in all tests. The SR was calculated trough recordings using the time needed to perform five stroke cycles. The SL was calculated dividing the speed by the SR. There was no significant difference on the antropometric characteristics between groups. The speed at and above MLSSc were significantly higher at G1 (1,23±0,05 e 1,27±0,06, respectively) than G2 (1,10±0,06 e 1,13±0,06, respectively). There was significant change in SL and SR in G2. In the same way, there was significant change in SL and SR only in G2, above MLSSc. Similar to continuous condition, the speeds at and above MLSSi were significantly higher in G1 (1,27±0,05 e 1,30±0,05, respectively) do que no G2 (1,14±0,07 e 1,16±0,07, respectively). There was significant change in SL and SR only in G2. There was significant change in SR and SL in both groups above MLSSi. Thus,...(Complete abstract click electronic access below)
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Schilder(1980) defines body image as the figuration of the body in your mind,ie to the way the body is presented to all. This image is constructed from six months in the infant´s contact with his mother by touch,thought the reflection of his image in the mirror and then in the contexto f activies préschool- didatic educator pedagogical proposes by consolidating the six years age. This importance of stdying the construction of body image pré-school educator is to prevent a failure in the process causing the child to change that image generating blocks and physical or psychological dificulties in the socialization process of children by promoting distortion of body image . O study objective is to understand how such package is the process of building up this image in preschool and your contribution to the process of learning of child. A methodology was a research review on amaig body, enconpassing the overall development of child and adult disorders the failure of the process constructive in this picture and a brief educational propose of how early childhood educator can work with this theme in pré-school. This study concluded that this topic is important to be working in the Field of education encompasses a degree in Physical Education and Pedagogy words.