Fig. 2From: Investigation of inter-rater and test-retest reliability of Y balance test in college students with flexible flatfootBland-Altman Plots with 95% limits of agreement illustrating measurement errors against true values by plotting each of the three YBT-LQ directions (anterior, posteromedial, and posterolateral) and the composite score differences between the rater A test and retest. Plot of the mean (x-axis) of the measurements of test and retest against the difference (y-axis) between test and retestBack to article page