Fig. 3
Able-bodied participants. Visualization of an example metric across all conditions (A, grey lines connect individual participants), its coefficient of variation (CoV, B, grey lines connect individual participants), and the CoV for all metrics and conditions (C). In addition, the test–retest reliability of metrics across all conditions (D, grey lines connect individual metrics) and the usability outcomes (E, grey lines connect individual participants) are depicted. The middle, long horizontal bar represents the median and the shorter horizontal bars or end of the filled box the 25th- and 75th-percentile. The whiskers in C represent the minimum and maximum value within 1.5 times the interquartile range. A.u. arbitrary units. *p < 0.05. **p < 0.01