FIG. 2.

(Color online) Baseline and single-task postural control for younger (red) and middle-aged (white) participants. Baseline postural control (left bars) was measured with no visual feedback provided. Single-task active postural control was assessed in easier and harder conditions by having participants use visual feedback. Each box is bounded by the 25th and 75th percentiles. The horizontal line within each box displays the median, “×” indicates the mean, and the whiskers show the minimum and maximum values.