Adaptação e instrumentação de um esqui ergométrico para pessoas com deficiência motora dos membros inferiores

Detalhes bibliográficos
Ano de defesa: 2015
Autor(a) principal: Garcia Junior, Aurasil Ferreira [UNESP]
Orientador(a): Não Informado pela instituição
Banca de defesa: Não Informado pela instituição
Tipo de documento: Dissertação
Tipo de acesso: Acesso aberto
Idioma: por
Instituição de defesa: Universidade Estadual Paulista (Unesp)
Programa de Pós-Graduação: Não Informado pela instituição
Departamento: Não Informado pela instituição
País: Não Informado pela instituição
Palavras-chave em Português:
Link de acesso: http://hdl.handle.net/11449/126570
http://www.athena.biblioteca.unesp.br/exlibris/bd/cathedra/12-08-2015/000844520.pdf
Resumo: In this study, a structural change was made in a commercial ergonomic ski in order to accommodate paraplegic, safely, aimed at physical activity. Two accelerometers and four force sensors were installed for the dynamic monitoring of movements of the lower limbs and the charge distribution on the support points of the ergometric skiing. The adaptation of an anatomical seat in ski made possible the accommodation of paraplegics, comfortably without compromising freedom in the movements of the lower limbs, produced with the help of arms. The four force sensors showed linear response with a correlation coefficient of 0.9928. Accelerometers were calibrated in a static way, with the help of LabVIEW software, becoming its angular variation in displacement of a point at the center of the force plate, located on the feet. To validate the data on the dynamic behavior of accelerometers, an image decomposition process, based on video analysis in MATLAB, was employed. The data revealed a similarity between both measurement systems, as evidenced by RMS values for the range of motion in a dynamic test with a variation of 3.57% and 4.94%, respectively, for the right and left accelerometers, in the horizontal direction. Two volunteers with cerebral palsy (CP) participated in the tests on the ergonomic skiing, accompanied by a doctor and a physiotherapist for a period of three weeks, three times a week. For comparison, two healthy volunteers were subjected to the tests. Volunteers with CP had range of motion of the lower legs of 43% compared to healthy persons. A random distribution of force on the load platform was observed in the first test day, progressing to a uniform distribution over the repetitive trials