Table 4 Results of the user experience questionnaire

Q1: It was fun to use the sensor-based balance exercise technology.

3.53

0.64

4

2-4

Q2: Usage of the technology was possible without problems at any time.

4.00

0.00

4

4-4

Q3: I never lost my balance while using the exercise technology.

3.60

0.91

4

1-4

Q4: The form and design of the technology are optimal for me.

3.07

0.88

3

1-4

Q5: I was afraid to tumble or to fall during the exercise.

0.20

0.56

0

0-2

Q6: I required balance support while conducting the exercises.

0.47

0.99

0

0-3

Q7: Thanks to the sensor-feedback, I could quickly learn all exercises.

3.40

0.82

4

2-4

Q8: I feel that the exercises were going too fast for me.

0.20

0.41

0

0-1

Q9: Some of the movements were difficult to perform.

1.00

0.93

1

0-3

Q10: I felt safe using the exercise technology.

3.80

0.41

4

3-4