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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Análise eletromiográfica do m. rectus abdominis durante a retroversão pélvica e abaixamento dos membros inferiores / Electromyographic analysis of the rectus abdominis muscle in pelvic retroversion and the decrease of the lower limbs

Martinelli, Rita de Cássia Pelizário Munhoz [UNIFESP] 22 February 2008 (has links) (PDF)
Made available in DSpace on 2015-07-22T20:49:23Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-02-22 / Introdução:Na rotina clínica fisioterapêutica, com freqüência deparamo-nos com pacientes à procura de reabilitação dos desarranjos lombares, e sabe-se que, os músculos abdominais, principalmente o M. rectus abdominis auxiliam na ação de estabilização da pelve. Portanto, o objetivo deste estudo foi analisar através da eletromiografia a atividade elétrica do M. rectus abdominis na retroversão pélvica em decúbito dorsal e em posição ortostática e no abaixamento dos membros inferiores. Material e Método: Participaram deste estudo 30 acadêmicos saudáveis de ambos os sexos, com idade variando entre 17 a 40 anos, divididos em dois grupos, Grupo 1 - 15 voluntários (equilíbrio pélvico) e 15 voluntários do Grupo 2 (desequilíbrio pélvico). A atividade elétrica foi captada do M. rectus abdominis nas porções supraumbilical e infra-umbilical dos lados direito e esquerdo. Para análise da atividade elétrica foi utilizada a média dos valores de RMS (Raiz Quadrada da Média – expressa em microvolts) de três tentativas obtidos dos traçados eletromiográficos. O valor do RMS foi submetido ao processo de normalização. Os dados obtidos foram submetidos ao tratamento estatístico através do Teste de Friedman e análise das médias e desvio padrão, a um nível de significância de 95%. Resultados: Não constatou-se diferença estatisticamente significativa entre a atividade elétrica e o repouso na ação de retroversão pélvica em decúbito dorsal e posição ortostática para o G1 e G2, porém no abaixamento dos membros inferiores a porção inferior no G2 obteve um resultado significativo em relação ao G1. Conclusão: O M. Rectus do Abdominis apresentou baixa atividade elétrica na retroversão pélvica tanto em decúbito dorsal quanto na posição ortostática, porém quando no abaixamento dos membros inferiores a porção inferior D e E no G2 apresentaram atividade elétrica maior que a porção superior D e E. / We often face patients searching for rehabilitation for lower back disorders during the physiotherapeutic routine, and it is known that the abdominal muscle, specially the rectus abdominis muscle, aid the stabilization of the pelvis. Therefore, this paper analyzes the electrical activity of the rectus abdominis muscle in the pelvic retroversion in dorsal decubitus and in orthostatic position and in the lowering of the lower limbs. 30 healthy students, male and female, 17 – 40 yr, divided into two groups – Group 1: 15 volunteers (pelvic balance); Group 2 (pelvic unbalance) took part in this study. The electrical activity of the right and left supra-umbilical and infra-umbilical portions of the rectus abdominis muscle was detected. The mean RMS values from three attempts from the electromyographic traces were used for the analysis of the electrical activity. The RMS value was submitted to the normalization process. The data were submitted to statistic treatment by the Friedman test, and the analyses of the means and standard deviation towards a level of significance of 95%. The results demonstrated that the portions of the rectus abdominis muscle presented low electrical activity for the groups studied for pelvic retroversion either in dorsal decubitus or and orthostatic position. However, the decreasing movement of the lower limbs towards the portions of the rectus abdominis muscle presented more significant electrical activity whereas the lower portions presented higher activity than the higher ones for Group 2. 29 / TEDE
2

Antropometrické parametry trupu u pacientů s chronickými bolestmi páteře a u zdravé populace / Trunk anthropometric parameters by patients with chronical back pain and by healthy population

Havlíčková, Barbora January 2019 (has links)
The aim of this study is to compare anthropometric parameters of the trunk between a group of patients with low back pain and a control group without pain. These findings would support the theory that low back pain may be caused by non-ideal postural-locomotion development in childhood, resulting in measurable morphological variations in adulthood. 60 individuals with low back pain (patients) and 60 healthy volunteers (controls) participated in the study. It was confirmed that the distance between the jugular fossa and xiphoid process is shorter in relation to the body height in the group of patients versus the control group. Conversely, there was a significantly longer distance between the xiphoid and symphysis relative to the body height among the patients. Furthermore, diastasis of rectus abdominis muscle was observed more frequently in the low back pain group. These findings suggest that patients with low back pain present with trunk morphological differences when compared with a matching healthy group. Keywords Low back pain, jugular fossa to xiphoid process distance, xiphoid to symphysis distance, rectus abdominis muscle diastasis, motor development, morphology, anthropometry

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