Fig. 3

Screenshot of the trajectory to perform in exercise 2 from the starting position (1) to the ending position (3). The participant, using his/her non-dominant hand had to perform a small trajectory (in purple): a start from point 1, b go to point 2 that is the first virtual button (located under the label 2) he/she had to push to open the pink virtual gate (on the left of label 2), c with his/her dominant hand, pass the latter gate, d with the non-dominant hand, slalom from point 2 to point 3 between the 3 light blue poles without touching them, e once arrived at point 3, the non-dominant hand had to rotate around its axis (using the instrument wheel) to open the light blue gate and enable the dominant hand to go further between the two upper bars (not represented)