A COMPARISON OF 2 MOTION ANALYSIS SYSTEMS FOR THE MEASUREMENT OF 2-DIMENSIONAL REARFOOT MOTION DURING WALKING

The purpose of this study was to compare two-dimensional rearfoot moti on during walking measured by a traditional video-based motion analysi s system to that of an electromagnetic analysis system. Twenty-five in dividuals (15 men, 10 women) with a mean age of 29.8 years served as s ubjects for this study. The results of the study showed that there was a high correlation (r = 0.945) between the mean motion paths produced by the two systems, indicating that they were very similar. The elect romagnetic motion analysis system was able to produce these similar re sults in a fraction of the time required by the video-based system.