3 resultados para casaca

em Universidade Técnica de Lisboa


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This article seeks to contribute to a more comprehensive understanding of the gender relations and the dowry system in India. It is based on a qualitative study that gave priority to the undertaking of interviews with women from different educational backgrounds living in the city of Hyderabad (South of India). The predominant perception of the interviewees is that education promotes economic and symbolic independence. The higher the educational level, the more critical accounts are found in relation to: the dowry system as a mechanism of reproduction of the low status of women and of the persistent asymmetries in gender relations; the wish to educate sons and daughters under equal conditions; and the value given to marriages based on love to the detriment of arranged ones. The main argument is that education is a fundamental source of women’s empowerment and opens up prospects for challenging the patriarchal regime, changing the status of women and leading to a more gender equal society. However, if this is to happen, then the education system (programs and curricula) needs to be congruent with gender equality, targeting both women and men in the project of challenging the dominant patriarchal structure.

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The well-known degrees of freedom problem originally introduced by Nikolai Bernstein (1967) results from the high abundance of degrees of freedom in the musculoskeletal system. Such abundance in motor control have two sides: i) because it is unlikely that the Central Nervous System controls each degree of freedom independently, the complexity of the control needs to be reduced, and ii) because there are many options to perform a movement, a repetition of a given movement is never the same. It leads to two main topics in motor control and biomechanics: motor coordination and motor variability. The present thesis aimed to understand how motor systems behave and adapt under specific conditions. This thesis comprises three studies that focused on three topics of major interest in the field of sports sciences and medicine: expertise, injury risk and fatigue. The first study (expertise) has focused on the muscle coordination topic to further investigate the effect of expertise on the muscle synergistic organization, which ultimately may represent the underlying neural strategies. Studies 2 (excessive medial knee displacement) and 3 (fatigue) both aimed to better understand its impact on the dynamic local stability. The main findings of the present thesis suggest: 1) there is a great robustness in muscle synergistic organization between swimmers at different levels of expertise (study 1, chapter II), which ultimately indicate that differences in muscle coordination is mainly explained by peripheral adaptations; 2) injury risk factors such as excessive medial knee displacement (study 2, chapter III) and fatigue (study 3, chapter IV) alter the dynamic local stability of the neuromuscular system towards a more unstable state. This change in dynamic local stability represents a loss of adaptability in the neuromuscular system reducing the flexibility to adapt to a perturbation.

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Mestrado em Engenharia Agronómica - Especialização em Proteção das plantas - Instituto Superior de Agronomia - UL