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Master's Dissertation
DOI
10.11606/D.5.2007.tde-01062007-103434
Document
Author
Full name
Sabrina Michels Muchale
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2007
Supervisor
Committee
Greve, Julia Maria D Andrea (President)
Pedalini, Maria Elisabete Bovino
Perracini, Monica Rodrigues
Title in Portuguese
Cognição e equilibrio postural na doença de Alzheimer
Keywords in Portuguese
Cognição
Doença de Alzheimer
Equilíbrio musculoesquelético
Idoso
Marcha
Abstract in Portuguese
A demanda de atenção para manter o equilíbrio postural aumenta com o envelhecimento e pode causar prejuízos na realização concomitante de duas ou mais tarefas. Indivíduos com doença de Alzheimer (DA) possuem menor reserva de atenção e, portanto, apresentam maior dificuldade em realizar uma tarefa motora associada à cognitiva, com conseqüente aumento do risco de quedas e suas conseqüências. O objetivo deste estudo foi verificar o desempenho do equilíbrio durante a realização concomitante de atividades funcionais (dinâmicas e estáticas) e tarefa cognitiva no idoso com DA. Foram avaliados 60 idosos, de ambos os sexos, com idade média de 77 ± 4 anos, divididos em dois grupos: Grupo-DA - indivíduos com DA (n=28) e Grupocontrole - indivíduos sem alteração cognitiva (n=32). O equilíbrio postural foi avaliado na atividade dinâmica através do TUGT e na atividade estática, pela plataforma fixa, Balance Master, NeuroCom. O teste estático foi realizado com os olhos abertos e fechados. Os indivíduos com DA apresentaram pior desempenho no TUGT com e sem a tarefa cognitiva concomitante. No teste estático, o desempenho do Grupo DA foi pior que do Grupo-controle no teste de olhos fechados sem tarefa cognitiva. O equilíbrio do Grupo-DA foi pior que do Grupo-controle nos testes dinâmicos. A DA interfere no desempenho do equilíbrio postural na atividade dinâmica associada à tarefa cognitiva, mas não interfere na atividade estática. A plataforma fixa de avaliação utilizada neste estudo não se mostrou um instrumento sensível para medir as alterações no equilíbrio postural estático causadas pela realização de tarefa cognitiva concomitante nos idosos com DA.
Title in English
Cognition and postural control in the Alzheimers disease.
Keywords in English
Aged
Alzheimer\'s disease
Cognition
Gait
Musculoskeletal equilibrium
Abstract in English
The attentional demand in order to keep the postural balance increases with the aging process and may cause damages in the concomitant performance of two or more tasks. Subjects with Alzheimers disease (AD) have less attentional reserve, and therefore present greater difficulty to perform a motor task associated with a cognitive task, increasing the risk of falls and their consequences. The aim of this study was to verify the balance of elderly people with AD during the concomitant performance of functional activities (dynamic and static) and cognitive tasks. Sixty aged people, male and female, with mean age of 77 ± 4 years, were evaluated; subjects were divided into two groups: AD Group composed by individuals with AD (n=28) and Control Group composed by individuals without cognitive alterations (n=32). The postural balance was evaluated through TUGT in the dynamic activity, and through the stable platform, Balance Master, NeuroCom in the static activity. The static test was done with opened and closed eyes. Patients with AD presented worse performance in the TUGT with and without the concomitant cognitive task. In the static test, the performance of the AD Group was worse than the performance of the Control Group in the test with closed eyes without cognitive task. The balance of the AD Group was worse than the balance of the Control Group during the dynamic tests. The AD interferes in the postural balance performance in the dynamic activity associated with a cognitive task, but it does not interfere in the static activity. The evaluation stable platform used in this study was unable to measure the alterations in static postural balance caused by the concomitant performance of the cognitive task in aged people with AD.
 
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sabrinammuhale.pdf (401.41 Kbytes)
Publishing Date
2007-07-02
 
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