Fig. 2From: Validity of the microsoft kinect system in assessment of compensatory stepping behavior during standing and treadmill walkingRMSE in cm over the ankles throughout the experiment for all participants. Note: the RMSE is almost always less than 1 cm for the x-axis /mediolateral direction and less than 2 cm for the y-axis/vertical direction. The z-axis/anterior-posterior direction errors are larger, and for some participants the errors exceed 5 cmBack to article page