Table 3.

Motor control variables measured by the anklebot in the unassisted mode before and after the interventions. Means ± SEM.

Variable	Baseline	Discharge	%Change	Time p-value	G x T p-value
Peak Angular Velocity (deg/s)				0.000	0.045
Robot	28.3±5.0	58.4±5.6 ‡	106%
Stretch	31.2±9.1	41.6±6.7	33%
Mean Angular Velocity (deg/s)				0.003	0.055
Robot	3.7±0.7	8.9±1.6 †	141%
Stretch	4.8±1.4	6.0±1.0	25%
Normalized jerk (1/s2)				0.061	0.019
Robot	691.2±53.9	528.6±37.6 †	−24%
Stretch	495.8±42.2	515.9±52.6	4%
Target Success (%)				0.000	0.145
Robot	24.3±4.9	65.1±5.9 ‡	168%
Stretch	22.6±8.5	49.0±9.7 †	117%

Note: lower values for jerk indicate smoother movements. GxT: group by time interaction; P: paretic; NP: nonparetic; within group p-values: + p≤0.05,

^†p≤0.01,

^‡p≤0.001