995 resultados para Porras deportivas


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Incluye Bibliografía

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Incluye Bibliografía

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Resumen del documento original

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Incluye Bibliografía

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Distribución del ingreso, pobreza y gasto social en América Latina / José Antonio Ocampo. -- Gasto militar y el desarrollo en América Latina / Eugenio Lahera y Marcelo Ortúzar. -- Crecimiento, justicia distributiva y poiítica social / Andrés Solimano. -- Equidad, inversión extranjera y competitividad internacional / Adolfo Figueroa. -- Tensiones en ei ajuste estructural en América Latina: asignación vs. distribución / Daniel M. Schydlowsky. -- Competitividad y regulaciones laborales / Luis Beccaria y Pedro Galín. -- Familias latinoamericanas: convergencias y divergencias de modelos y políticas / Irma Arriagada. -- Los acuerdos de libre comercio y el trabajo de las mujeres: el caso de Chile / Alicia Frohmann y Pilar Romaguera. -- Evolución macroeconómica del Paraguay 1989-1997: burbuja de consumo y crisis financier / Stéphane Straub. -- Estrategias de las empresas mexicanas en sus procesos de internacionalización / Alejandra Salas-Porras. -- La regulación de la prestación privada de servicios de agua potable y alcantarillado / Terence R. Lee y Andrei S. Jouravlev. -- Promoción de la calidad para mejorar la competitividad / Hessel Schuurman.

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Income distribution, poverty and social expenditure in Latin America / José Antonio Ocampo. -- Military expenditure and development in Latin America / Eugenio Lahera and Marcelo Ortúzar. -- Growth, distributive justice and social policy / Andrés Solimano. -- Equity, foreign investment and international competitiveness / Adolfo Figueroa. -- Tensions in Latin American structural adjustment: allocation versus distribution / Daniel M. Schydlowsky. -- Competitiveness and labour regulations / Luis Beccaria and Pedro Galin. -- Latin American families: convergences and divergences in models and policies / Irma Arriagada. -- Free trade agreements and female labour: the Chilean situation / Alicia Frohmann and Pilar Romaguera. -- Macroeconomic trends in Paraguay from 1989 to 1997: consumption bubble and financial crisis / Stephane Straub. -- The strategies pursued by Mexican firms in their efforts to become global players / Alejandra Salas-Porras. -- Regulating the private provision of drinking water and sanitation services / Terence R, Lee and Andrei S. Jouravlev. -- Quality management promotion to improve competitiveness / Hessel Schuurman.

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INTRODUÇÃO:O exercício prévio tem importantes implicações na preparação de atletas antes de competições.OBJETIVO:Analisar o efeito de um exercício prévio realizado no domínio pesado no pico de torque (PTORQUE) medido após exercício severo.MÉTODOS:Participaram deste estudo 14 homens ativos (idade: 26 ± 4 anos, VO2max: 44 ± 6 mLO2.min-1.kg-1) que realizaram sete testes em dias diferentes: a) teste progressivo de rampa para determinação do VO2max e da potência pico; b) quatro testes de carga constante para determinação da potência crítica, capacidade de trabalho anaeróbio e potência correspondente ao tempo de exaustão de 3 min (PTLim3min) e; c) dois testes de carga constante de 2 min na PTLim3min seguidos por um sprint all out de 10 s, a fim de medir o PTORQUE. Este último protocolo foi realizado com (EP) e sem (CON) a realização de um exercício prévio pesado.RESULTADOS:O PTORQUE foi significantemente maior após o EP (101 ± 30 Nm) em relação à condição CON (95 ± 23 Nm). O tempo da resposta médio (TRM) do VO2 foi significantemente menor após o EP (24 ± 7 s) em relação à condição CON (32 ± 10 s). A amplitude primária do VO2 aumentou significantemente após o EP (2598 ± 421 mLO2.min-1) em relação à condição CON (2184 ± 246 mLO2.min-1). O déficit de O2 foi significantemente menor após o exercício prévio (980 ± 432 mLO2) em relação à condição CON (1273 ± 398 mLO2). Houve correlação significante entre a variação do déficit de O2 com a do PTORQUE (r = 0,53) e da variação do TRM com a do PTORQUE (r = 0,53).CONCLUSÃO:Pode-se concluir que o PTORQUE é maior após exercício aeróbio de curta duração precedido do EP. Deste modo, esta estratégia pode ser interessante como preparação para algumas competições esportivas.

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The artistic gymnastics is a modality that associates arts with biomechanical gestures, and it has been prominent among children and adolescents. Its practice can lead to sports injuries; therefore, it is important to know the factors inherent to trauma for the formulation of preventive models. Thus, the objective of this study was to characterize sports injuries and to verify factors associated with injury in people practicing artistic gymnastics with different levels of competitiveness. Forty-six gymnasts were interviewed with mean age of 10.1±2.0 years for female participants, who were classified in two competitive levels, i.e, initiation and training. We used the morbidity questionnaire adapted to sports characteristics to collect personal, training, and injury data. It was observed that injury risk was 0.3 injuries per athlete and 1.4 injuries per injured athlete, in which the gymnasts of the training category showed a higher frequency of the injury (83.3%; n=10) compared with the ones in the initiation category (10.5%; n=4). For both levels of competitiveness, training moment and light severity were the most reported variables. In the mechanism, contactless was more prevalent in the training category (90%; n=9) and the direct contact was more common at initiation category (75%; n=3). Anthropometric and training variables were considered as factors associated with injury to the gymnasts. It is concluded that gymnasts of the training category have higher injury frequency. Anthropometric and training variables were factors associated with injury. Characteristics of the injuries depend on the competitiveness level of the ­gymnasts.

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

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The present study has as its main purpose the investigation of teachers'view concerning the teaching and learning of basketball in Physical Education classes in a school setting. The selected teachers who participated in this survey come from public and private institutions in the city of Volta Redonda, RJ, Brazil, teaching 6th-9th grade classes of elementary school. This was a quantitative and qualitative study with content analysis. Data collection included interviewing 60 teachers who provided their opinions on the issue investigated. Development of basketball was investigated not only as a content for the Physical Education classes, but also as a dimension that goes beyond school boundaries, where that sport plays an important role in society. Joint actions to provide the opportunity for basketball to grow as a content for Physical Education classes may represent a way to describe its implementation in all contexts, although the importance of this discipline in the school setting should not be disregarded in favor of obtaining results in sports competitions.

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Primary immunodeficiency diseases (PIDD) are associated with significant morbidity and mortality and result in a significant public health burden. This is in part due to the lack of appropriate diagnosis and treatment of these patients. It is critical that governments become aware of this problem and provide necessary resources to reduce this impact on health care systems. Leading physicians in their respective countries must be supported by their own governments in order to implement tools and provide education and thus improve the diagnosis and treatment of PIDD. The Latin American Society of Primary Immunodeficiencies (LASID) has initiated a large number of activities aimed at achieving these goals, including the establishment of a PIDD registry, development of educational programmes and guidelines, and the introduction of a PIDD fellowship programme. These initiatives are positively impacting the identification and appropriate treatment of patients with PIDD in Latin America. Nevertheless, much remains to be done to ensure that every person with PIDD receives proper therapy. (C) 2011 SEICAP. Published by Elsevier Espana, S.L. All rights reserved.

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Background: Balancing the subject composition of case and control groups to create homogenous ancestries between each group is essential for medical association studies. Methods: We explored the applicability of single-tube 34-plex ancestry informative markers (AIM) single nucleotide polymorphisms (SNPs) to estimate the African Component of Ancestry (ACA) to design a future case-control association study of a Brazilian urban sample. Results: One hundred eighty individuals (107 case group; 73 control group) self-described as white, brown-intermediate or black were selected. The proportions of the relative contribution of a variable number of ancestral population components were similar between case and control groups. Moreover, the case and control groups demonstrated similar distributions for ACA <0.25 and >0.50 categories. Notably a high number of outlier values (23 samples) were observed among individuals with ACA <0.25. These individuals presented a high probability of Native American and East Asian ancestral components; however, no individuals originally giving these self-described ancestries were observed in this study. Conclusions: The strategy proposed for the assessment of ancestry and adjustment of case and control groups for an association study is an important step for the proper construction of the study, particularly when subjects are taken from a complex urban population. This can be achieved using a straight forward multiplexed AIM-SNPs assay of highly discriminatory ancestry markers.

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The known distribution of the harlequin frog, Atelopus nahumae RUIZ-CARRANZA, ARDILA-ROBAYO & HERNANDEZ-CAMACHO, 1994, is reported along with three new locality records in the northwestern Sierra Nevada de Santa Marta (Colombia). In the new localities, observations were made on the frog's mating behavior. This report adds the Cordoba River Basin, another high valley of the Sierra Nevada de Santa Marta, to the known range of A. nahumae. Nevertheless, the general distribution of the species in this region is largely unknown.

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Em diversos países, a estrutura organizacional voltada ao desenvolvimento das modalidades esportivas é definida por programas de esporte desenvolvidos nacionalmente. Este estudo teve por objetivo analisar a organização, as estruturas e as políticas para o esporte de rendimento no Brasil. Foram analisadas as ações de órgãos governamentais e/ou entidades nacionais do esporte de alto nível. Foram analisados os 14 Fatores Críticos para o Sucesso (FCS) referentes aos quatro indicadores que compõem o Pilar 2 do modelo SPLISS (Sports Policies Leading to Sport Sucess) (De Bosscher et al., 2009). Verificou- se que: o país possui ações isoladas oriundas do COB e do Ministério do Esporte; não existe priorização na aplicação dos recursos financeiros nas modalidades com chances reais de medalhas; existem ações do COB em relação à formação de gestores e técnicos, e a participação da representação de atletas nas entidades nacionais de esporte ainda é bastante restrita e recente.