Table 2.

Task scenarios.

	Task	Subtask
1	Powering on the device	Connect the charging port and check whether the indicator light turns on. Press the power button located at the upper left on the front panel to turn on the device.
2	Camera calibration	Open the calibration settings window and perform the camera calibration before starting. While monitoring the screen, position the device so that the entire walking path is centered within the camera’s field of view. Adjust the device’s position and orientation to ensure the vertical guideline aligns with the centerline of the walking mat. Resize the guidelines so that both ends of the horizontal guideline align with the T-marks at either end of the walking path.
3	Using the MediStep application	Click the “Start as Administrator” button. Enter the user information into the designated fields on the software interface. Review the displayed information, and then click the “Start AIa Gait Assessment” button.
4	Gait analysis	Select the recording standby timer. Touch the record button.
5	Interpretation of results	The gait analysis results and corresponding gait videos can be reviewed through the report screen.
6	Member management	Adding/deleting members In the member list under the settings menu or on the examiner selection screen, tap the “Add New Member” button. Enter the member’s name, the first 6 digits and the first digit of the last 7 digits of their resident registration number, and their height. Then tap the “Add” button. To delete a member, select the member from the list. A pop-up window will appear with options to edit or delete the information. Tap the “Delete” button. Editing member information This function is accessible only via the member list in the settings menu. Select the desired member; a pop-up window will appear with options to edit or delete their information. After making the necessary changes, tap the “Complete Edit” button.

^aAI: artificial intelligence.