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Development of a normative base for neurological pathologies based on posturography and electromyography
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Orientador(es)
Resumo(s)
A correct posture is preserved due to the normal recruitment of the muscles by the
postural control system. Postural dysfunctions, especially adjustments to the standing position of
stroke patients, have been a relevant clinical challenge in the rehabilitation process. These
dysfunctions have significant repercussions on the performance of everyday activities.
An evaluation of the postural oscillations in stroke patients allows to elaborate a postural
profile, which could be significant on the development of special rehabilitation programs. For this
reason, the aim of this study is to identify the postural adjustments in the standing position
performed by the stroke patients, combining electromyography and posturography.
To achieve this goal, a protocol was developed in order to create a profile of the postural
modifications in the standing position of the healthy subjects, to help at the clinical environment.
A group of 43 healthy subjects participated in this work, with ages between 18 and 55 years old,
and were performed re-tests for each subject on the day following the first test. Also, a sample of
10 ischemic stroke patients attending the Centro de Medicina e Reabilitação de Alcoitão (CMRA)
participated in this study.
Afterwards, some conclusions could be extracted from the results. By analyzing EMG
and COP results of both samples, it was concluded subjects studied presented a bigger body sway
and higher values of muscle activation in tasks with no visual information. Also, was detected
that, in the healthy population, Rectus Abdominis were constantly and similarly activated
throughout the all protocol, suggesting their importance in guaranteeing an upright standing
position. Finally, in the stroke sample of 10 patients, were noticed higher values of muscular
activation, compared to the healthy sample, and a big muscle tone on the right side.
Descrição
Palavras-chave
Posturography Electromyography Posture Postural Control Balance Stroke