Development and testing of the Gait Assessment and Intervention Tool (G.A.I.T.): A measure of coordinated gait components. doi: 10.1016/j.gaitpost.2010.11.025.ĭaly J.J., Nethery J., McCabe J.P., Brenner I., Rogers J., Gansen J., Butler K., Burdsall R., Roenigk K., Holcomb J. Video gait analysis for ambulatory children with cerebral palsy: Why, when, where and how! Gait Posture. three-dimensional motion system) that should be considered in the interpretation of clinical evaluations.Īgreement biomechanics gait optical motion capture reliability visual gait analysis. However, the Bland-Altman plots showed disagreement between observers, measurements and systems (Kinovea ® vs. The ICC was good for the hip, knee and ankle angles registered with Kinovea ® during the initial contact of walking for both observers (intra-rater reliability) and higher for the agreement between observers (inter-rater reliability). The Bland-Altman plots showed that the magnitude of disagreement was approximately ±5° for intra-rater reliability, ☒.5° for inter-rater reliability and around ☒.5° to ±5° for Kinovea ® versus Vicon ®. The ICC for the inter-rater reliability was >0.90 for the hip, the knee and the ankle joints. The intra-rater reliability showed a good correlation for the hip, the knee and the ankle joints (Intraclass Correlation Coefficient, ICC > 0.85) for both observers. The motion data were recorded using the VICON Motion System ® and digital video cameras. All participants were examined twice with a one-week interval between the two appointments. Fifty healthy subjects participated in this study.

The purpose of this study was to evaluate the inter- and intra-rater reliability of Kinovea ® and the agreement with a three-dimensional motion system for detecting the joint angles of the hip, knee and ankle during the initial contact phase of walking. In order to reduce the costs of three-dimensional motion capture systems, new low-cost methods of motion analysis have been developed. Gait analysis is necessary to diagnose movement disorders.

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