Akademik Veri Yönetim Sistemi
Journal of Rheumatology and Medical Rehabilitation, cilt.13, sa.2, ss.76-80, 2002 (Scopus)
In this study we aimed to measure the intersession reliability of gait analysis. 11 normal male subjects with a mean age of 32 participated in the study. The spatiotemporal parameters (cadence, velocity, stride-step time, stride-step length, single-double support time), kinematic (joint rotation angles of hip, knee, and ankle) and kinetic variables (ground reaction forces, total ankle power and joint moments) were measured on each side at the normal walking speed. Vicon 370 Motion Measurement and Analysis System was used for data acquisition, processing and analysis of gait parameters. Two measurements were made at 3-days interval to evaluate test-to-test (intersession) reliability and average measure intraclass correlation coefficients were calculated. All gait parameters showed no significant change between sessions on both sides. Among spatiotemporal parameters, intraclass correlations were consistently high in walking velocity, stride length and step length. Almost all joint rotation angles showed low intraclass correlations. All joint moments except hip abduction and flexion showed consistently high intraclass correlations. These results indicate that although computerized gait analysis produces quantitative measurement and accepted as a reliable method for assessment of gait, it may be greatly influenced by external factors such as fatique, time limitation, poor cooperation and change in walking behavior. Therefore a familiarization trial, multiple gait trials per session and multiple sessions are recommended before applying the results in clinical setting.