[Instrumental gait analysis in stroke patients].

Abstract:

INTRODUCTION:The motor control deficits after stroke affect the gait pattern. There is a significant variability between subjects. AIMS:To analyse, by using a capture motion system, the gait pattern in stroke patients with different levels of motor function, and to establish, despite the participants heterogeneity, what alterations in the gait pattern are usual in each participant. SUBJECTS AND METHODS:Nine stroke subjects with independent gait and ten control subjects participated in this study. Motion capture was performed using the VICON Motion System ®. The motion of the pelvis, hip, knee and ankle were analyzed in the sagittal plane. Also, the spatio-temporal parameters of gait were observed. RESULTS:The motor function evaluated using the Flug-Meyer Assessment (lower limb section) varied between 15 and 33 points. Participants had alterations in the kinematic pattern which were common between each of them. In stroke patients it was observed: an increment of the pelvis range of motion in both sides; at the hip joint, a decrease of the maximum peak of extension during the stance phase in the affected side and a greater flexion during the stance and the swing periods in the non-affected side; at the knee, a major knee flexion during the initial contact; and at the ankle joint, an slight ankle plantar flexion during the initial contact on the affected side. CONCLUSIONS:There are several landmarks in stroke gait that the clinicians should keep attention during the walking observation. TITLE:Analisis instrumental de la marcha en pacientes con ictus. :Introduccion. Las alteraciones en el control motor consecuentes al ictus afectan al patron de marcha, existiendo una importante variabilidad intersujeto. Objetivos. Valorar, a traves de un sistema de captura del movimiento, el patron cinematico de la marcha en sujetos con ictus y establecer que alteraciones del patron de la marcha son comunes entre los participantes. Sujetos y metodos. Participaron nueve pacientes con ictus con capacidad de marcha y diez sujetos controles. Para la captura del movimiento se empleo el sistema VICON Motion System ®. Se analizaron los movimientos articulares de pelvis, cadera, rodilla y tobillo en el plano sagital, y los parametros espaciotemporales de la marcha. Resultados. La funcion motora de los participantes, valorada mediante la escala Fugl-Meyer (seccion del miebro inferior), oscilo entre 15 y 33 puntos. Los participantes presentaron alteraciones en la cinematica comunes entre ellos. En los pacientes con ictus se registro: aumento de la amplitud de movimiento de la pelvis en ambos hemicuerpos (lado afecto y no afecto frente a control, p < 0,01); en la cadera, disminucion de la maxima extension durante la fase de apoyo en el lado afecto (p < 0,01) e incremento de la flexion en las fases de apoyo y oscilacion en el no afecto (p = 0,025); en la rodilla, mayor flexion durante la fase de contacto inicial (lado afecto frente a control, p < 0,01; lado no afecto frente a control, p = 0,02); y en el tobillo, ligera flexion plantar durante la fase de contacto inicial en el lado afecto. Conclusiones. A pesar de la variabilidad clinica, existen alteraciones especificas comunes de la marcha en sujetos con ictus.

journal_name

Rev Neurol

journal_title

Revista de neurologia

authors

Fernandez-Gonzalez P,Molina-Rueda F,Cuesta-Gomez A,Carratala-Tejada M,Miangolarra-Page JC

subject

Has Abstract

pub_date

2016-11-16 00:00:00

pages

433-439

issue

10

eissn

0210-0010

issn

1576-6578

pii

rn2016273

journal_volume

63

pub_type

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