Fig. 2

A The 55-inch touchscreen was placed on the table to adjust the height. The participant sat on the chair, and the trunk was constrained with a belt to prevent compensational movement. All participants were able to reach the farthest target by adjusting the table height. B One hundred target locations were predefined for the training session. Forty-five targets (filled circles) were used for the test session. C IMES test conditions and blocks. IMES had a test session with and without a time limit. Each condition had free- and forced-choice blocks, and the forced-choice block started from the less-affected (LA) arm to the more-affected (MA) arm. Movement duration (MD) for each arm was measured during these blocks. D Experiment schedule. The first and last weeks were the pre- and post-training tests, and the middle three weeks were training sessions conducted three times per week. TB, training block