Balance System SD (with v4.X software) 55
Figure 7.11. The Postural Stability Testing screen.
Performing a Postural Stability Test
1. Position the support handles and the display height and tilt for patient comfort.
2. At the Main Menu, touch <Testing>.
3. Touch <Postural Stability>. The Patient Setup information screen is displayed. If this is a new
patient and the training session is to be saved after its completion, the patient’s name and
height must be entered. If the training session does not need to be saved, designate a
height value, which is correlated to the software’s scoring algorithm based on the calculated
Center of Gravity.
4. Touch <Test Options> to advance to the Postural Stability Testing Options screen if desired.
• Here the test trial time can be set, the number of trials can be entered, and the rest
countdown time (i.e., the time between trials) can be entered.
• Use the <▲> or <▼> keys to set the total Test Trial Time in five-second increments
down to a minimum of ten seconds. During the test the system will count down from the
time setting selected.
• To set Initial or Ending Platform Stability (static, 1 is the next most stable, 12 is least
stable,) touch the appropriate key and enter the setting from the keypad displayed.
Touch <OK> to return to the Postural Stability Testing Options screen and set the Ending
Platform Stability in the same manner.
• To set the Number of Trials or Rest Countdown, touch the appropriate key and enter the
setting from the keypad displayed.
• To have either the cursor or tracing biofeedback displayed during the test, touch the
checkboxes next to the options.
5. Touch <OK> to confirm the selections and return to the Postural Stability Testing screen.
6. Touch <Next> to display the Position Patient screen.
7. The dot on the Position Patient screen represents the patient’s Center of Gravity. Have the
patient stand in a natural stance, slightly adjusting foot placement until the dot is on or
close to the center axis. Using the four keypads, enter the patient’s left foot, left heel, right
foot and right heel positions using the midline of the foot and the platform grid as
reference points. As a reference, use Table 6.1 in the Percent Weight Bearing Training Mode
section. Touch <Stance> to scroll through the three stance positions provided; left, right, or
both.
8. Touch <Next> to advance to the Postural Stability Testing screen.
9. If desired, touch the <Show Tracing> icon (the left-most icon under Tracing). Press the
<Clear Tracing> eraser icon (the right-most icon under Tracing) to remove any tracing that
is left from a previous training session.
10. Press <Start> to release the platform (if not static) and activate the Postural Stability Test
screen.
11. With the patient ready to begin the test, touch <Collect Data>. The screen will provide a
three-second countdown before beginning the first of three test trials. (The number of trials
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