Sistema GaitGrabber na captação de dados cinemáticos durante a marcha
Venue
Motriz: Revista de Educação Física, vol. 18 (2012), pp. 505-514
Publication Year
2012
Authors
Scott Alexander Kirkwood
BibTeX
Abstract
The purpose of this study was to develop and test the validity and reliability of
the GaitGrabber System in measuring kinematic variables in the sagittal plane
during gait. Eighteen individuals participated in the reliability study and 28 in
the concurrent validity study. The Qualisys Pro-Reflex System used as a gold
standard reference system. The GaitGrabber calculates the relative angles at the
hip, knee and ankle in the sagittal plane. The Intraclass Correlation Coefficient
(ICC) was used to compare the average of the angular peaks between visits. The
principal component analysis was used to test the validity of the system. The ICC
ranged from moderate to excellent and the validity of the system was proved for the
ankle. There were significant differences in the range of motion for the hip and
knee joints which were attributed to different instrumental characteristics. The
GaitGrabber system is valid and reliable and can be clinically used to analyze
kinematics during gait in the sagittal plane.
