Table 6 Evolution of questionnaire scores related to Safety aspects across sessions

1

2

3

4

5

6

7

8

9

10

 Q1: Before the session, how tired do you feel?

1

(1 to 3.8)

1

(1 to 2.5)

1.5

(1 to 2.8)

2

(1 to 3)

2

(1 to 4)

1

(1 to 4)

3.5

(1 to 5)

3

(1.5 to 5.8)

1

(1 to 4.5)

1

(1 to 2.5)

 Q3: After the session, how tired do you feel?

1

(1 to 5.8)

5.5

(1.5 to 6)

1

(1.5 to 6)

2

(1 to 5)

2

(1 to 5)

2

(1 to 6)

3.5

(1 to 5.8)

3.5

(1.3 to 6)

2.5

(1 to 5.8)

2

(1 to 5.8)

 Q2: Before the session, how relaxed do you feel?

7

(5.3 to 7)

7

(7 to 7)

7

(7 to 7)

7

(7 to 7)

7

(7 to 7)

7

(7 to 7)

7

(7 to 7)

7

(7 to 7)

7

(7 to 7)

7

(7 to 7)

 Q4: During the session, how relaxed did you feel?

7

(6.3 to 7)

7

(7 to 7)

6

(4 to 7)

7

(6.3 to 7)

7

(7 to 7)

7

(4 to 7)

7

(6.3 to 7)

7

(6 to 7)

7

(5.3 to 7)

7

(6.3 to 7)

 Q5: During the exercises, did you feel any unusual pain (e.g. stronger) at the level of the upper limbs (arms, joints, hands) or the trunk?

1

(1 to 1.8)

1

(1 to 2.5)

1

(1 to 1)

3

(1 to 5)

1

(1 to 3)

2

(1 to 3)

1.5

(1 to 5)

3.5

(1 to 5.8)

1

(1 to 1.8)

1

(1 to 4.5)

 Q6: After the session, do you feel any improvement of you movements (e.g., larger movements, more precise, etc.)?

4

(1.5 to 6.3)

4.5

(4 to 5.8)

6

(4.3 to 7)

6

(3.5 to 7)

6

(5 to 7)

6

(4.5 to 6.8)

5.5

(5 to 6)

6

(4.5 to 7)

6

(4 to 6)

7

(5.3 to 7)