Duration and intensity of use of the affected arm-hand did not change significantly during and after training , with or without robot-support ( i.e. duration of use of unimanual use of the affected arm-hand : median difference of -0.17 % in the robot-group and -0.08 % in the control group between baseline and after training cessation ; intensity of the affected arm-hand : median difference of 3.95 % in the robot-group and 3.32 % in the control group between baseline and after training cessation ) .