Table of Contents

Table of Contents.............................................................................................. 2

1.  Help – SHORT DESCRIPTION................................................................................. 5

2.  SwayStar™ MEASUREMENT AND ANALYSIS TECHNIQUES................................................ 5

2.1  CONCEPT OF BALANCE CONTROL ANALYSIS.................................................................................... 5

2.2  SwayStar™ LITERATURE ON TRUNK SWAY DURING STANCE AND GAIT................................................... 5

2.2.1  Advantages of SwayStar™ compared to other types of equipment......................................................... 8

2.2.2  Advantages of Balance Freedom™................................................................................................ 8

2.3  ANGULAR VELOCITY SENSORS MEASURING TRUNK SWAY................................................................... 9

2.3.1  Trunk pitch........................................................................................................................... 9

2.3.2  Trunk roll.............................................................................................................................. 9

2.4  MEASUREMENT-TASK PRINCIPLES FOR DIFFERENT PROTOCOLS........................................................... 9

2.4.1  Standing............................................................................................................................... 9

2.4.2  Walking.............................................................................................................................. 10

2.4.3  Stairs / Slopes...................................................................................................................... 10

2.4.4  Sit to Stand.......................................................................................................................... 11

2.4.5  Reaching............................................................................................................................. 11

2.4.6  Other................................................................................................................................. 11

2.5  AUXILIARY TEST EQUIPMENT....................................................................................................... 11

2.5.1  Normal surface..................................................................................................................... 11

2.5.2  Foam surface....................................................................................................................... 11

2.5.3  Stool.................................................................................................................................. 12

2.5.4  Stairs................................................................................................................................. 12

2.5.5  Barriers.............................................................................................................................. 12

2.6  TEST PROTOCOLS AND SEQUENCES.............................................................................................. 12

2.6.1  Protocols............................................................................................................................ 12

2.6.2  Sequences without BalanceFreedom feedback............................................................................... 13

2.6.3  Sequences with BalanceFreedom feedback.................................................................................... 14

2.7  DATA ANALYSIS......................................................................................................................... 15

2.7.1  Trunk Angle Displacement........................................................................................................ 16

2.7.2  Trunk Angular Velocity............................................................................................................ 18

2.7.3  Spectral Plots of Trunk Sway Angular Velocity Frequency Spectra....................................................... 19

2.7.4.  Data analysis window............................................................................................................. 20

2.7.5  Markers on time plots............................................................................................................. 21

2.7.6  Durations............................................................................................................................ 22

2.7.7  Reference Values................................................................................................................... 22

2.8  BALANCE CONTROL SUMMARY and INDEX (BCI), SENSORY ANALYSIS.................................................. 24

2.8.1  Background Information on the BCI............................................................................................ 24

2.8.2  Balance Control Index (BCI) for screening a balance deficit due to an organic or a non-organic disorder....... 26

2.8.3  Balance Control Index for screening a balance deficit due to Parkinson’s disease.................................... 26

2.8.4  Balance Control Index for screening a balance deficit due to a Whiplash Associated Disorder (not available)... 26

2.8.5  Sensory Analysis for 2-legged stance........................................................................................... 27

2.8.6  Gait to Stance Ratios.............................................................................................................. 28

2.9  Examples of Balance Control Summary and Index with Sensory Analysis............................................ 29

2.9.1  Example of Balance Control Summary for a vestibular loss patient........................................................ 29

2.9.2  Example of a patient with a non-organic balance disorder................................................................. 31

2.10  Analogue to digital sampled data............................................................................................... 32

3.  GETTING STARTED........................................................................................... 34

3.1  EQUIPMENT............................................................................................................................. 34

3.1.1  The SwayStar™ System............................................................................................................ 34

3.1.2  The Analog to Digital Convertor................................................................................................. 35

3.1.3  Hardware Configuration.......................................................................................................... 35

3.1.4  Software Operating Environment............................................................................................... 35

3.1.5  Software Installation.............................................................................................................. 35

3.1.6  Setting up SwayStar™ Equipment................................................................................................ 40

3.2  EASY START............................................................................................................................. 41

3.2.1  Placing SwayStar™ Equipment on Test subject............................................................................... 41

3.2.2  Turning on the Equipment........................................................................................................ 41

3.2.3  Establishing the Bluetooth connection and Checking Sensor Function................................................... 41

3.2.4  Checking Sensor Function when operating via the communication cable............................................... 42

3.2.5  Selecting Data and Managing Data.............................................................................................. 44

3.2.6  Selecting a Single Protocol........................................................................................................ 45

3.2.7  Recording............................................................................................................................ 46

4.  OPTIMAL USE OF THE DATA ANALYSIS WINDOW AND ICON DEFINITIONS............................. 51

4.1  GENERAL COMMANDS................................................................................................................ 51

4.1.1  Manage Patient Database  ................................................................................................... 51

4.1.2  Retrieve and View Records  ................................................................................................ 51

4.1.3  Save Changes  ................................................................................................................. 52

4.1.4  Balance Control Summary  ................................................................................................... 52

4.1.5  Set marker pairs  ............................................................................................................. 52

4.1.5  Reset  ........................................................................................................................... 53

4.1.6  Undo  ............................................................................................................................ 53

4.1.7  Redo  ............................................................................................................................ 53

4.2  PRINT DATA ........................................................................................................................ 53

4.3  LOG AND EXPORT DATA............................................................................................................. 53

4.3.1  Logging data into a .csv file..................................................................................................... 53

4.3.2  Viewing and Exporting the .csv Log File to a Spreadsheet................................................................. 54

4.4  COLLECT DATA......................................................................................................................... 55

4.4.1  Select a Single Protocol to record .......................................................................................... 55

4.4.2  Select a Sequence to record ................................................................................................ 55

4.5  VIEW DATA............................................................................................................................... 55

4.5.1  Copy and paste graphics......................................................................................................... 55

4.5.2  Replay................................................................................................................................ 56

4.5.3  Zoom in, out and restore display    ................................................................................. 56

4.5.4  Scaling displays..................................................................................................................... 56

4.5.5  Alter reference set ........................................................................................................... 57

4.5.6  Remove or show labels............................................................................................................. 57

4.5.7  Window (no icon)................................................................................................................... 57

4.5.8  Set Time Window .............................................................................................................. 58

5.  MAIN MENU.................................................................................................... 59

5.1  DATA (Alt + D).......................................................................................................................... 59

5.1.1  Retrieve (F3)........................................................................................................................ 59

5.1.2  Save (F2)............................................................................................................................. 60

5.1.3  Manage Data (Ctrl + M)........................................................................................................... 61

5.2  RECORD (ALT + R)..................................................................................................................... 66

5.2.1  Single (Ctrl + R)..................................................................................................................... 66

5.2.2  Sequence (Ctrl + S)................................................................................................................. 66

5.2.3  Recover communication (F6)..................................................................................................... 66

5.2.4  Discover Port (F5)................................................................................................................. 67

5.2.5  Sensor Setup (F4).................................................................................................................. 67

5.2.6  Device Offline (F11)............................................................................................................... 67

5.3  PRINT (ALT + P)........................................................................................................................ 67

5.3.1  Current (Ctrl + P).................................................................................................................. 67

5.3.2  All (Ctrl + Alt + P)................................................................................................................... 67

5.3.3  Setup printer (left click).......................................................................................................... 67

5.4  OPTIONS................................................................................................................................. 67

5.4.1  Language............................................................................................................................ 67

5.4.2  Setup................................................................................................................................. 68

5.4.3  Query printer setup before job................................................................................................. 75

5.4.4  Alternate database (DB).......................................................................................................... 76

5.4.5  Export Data......................................................................................................................... 78

5.4.6  Settings.............................................................................................................................. 81

5.5  HELP...................................................................................................................................... 86

5.5.1  System Information................................................................................................................ 86

5.5.2  Device manager .............................................................................................................. 86

5.5.3 Bluetooth Places ................................................................................................................ 86

5.5.4  Export Registry Settings .................................................................................................... 86

5.5.5  Internet Update.................................................................................................................... 87

5.5.6  About SwayStar..................................................................................................................... 87

6.  REPORTS AND TABLES OF ANALYSIS DATA................................................................ 88

6.1  BALANCE CONTROL INDEX.......................................................................................................... 88

6.2  REPORT LETTER........................................................................................................................ 88

6.3  EXCEL TABLES OF ANALYSIS VALUES............................................................................................. 88

7.   SAMPLE CASE HISTORIES................................................................................... 93

7.1  Peripheral Vestibular Loss......................................................................................................... 93

7.1.1  Acute Unilateral Peripheral Vestibular Loss. (208.1 BB).................................................................... 93

7.1.2  Compensated Unilateral Peripheral Vestibular Loss. (208.3 BB)........................................................... 94

7.1.3  Uncompensated Unilateral Peripheral Vestibular Loss: Postural control improved using BalanceFreedom^TM biofeedback. (348.1&2 SSC)    95

7.2  Bilateral Peripheral Vestibular Loss. (15 SSB)................................................................................ 96

7.3  Whiplash Associated Disorder. (60 BB)......................................................................................... 98

7.4  Simulator (Non-organic balance disorder) (226 BB)........................................................................ 99

7.5  Spino-Cerebellar Ataxia............................................................................................................ 100

7.5.1  Spino-Cerebellar Ataxia (SCA 3) with normal vestibular-ocular reflex. (150 SSC)...................................... 100

7.5.2  Spino-Cerebellar Ataxia (SCA7) with low vestibular-ocular reflex gain (146 SSC)...................................... 102

7.6  Total Hip Replacement after severe osteoarthritis (316:1&2 FP4)................................................... 103

7.7  Parkinsonian Disease with bilateral STN stimulators ON and OFF (4 SSB).......................................... 104

8.  HOT-KEYS and ICONS TABLE.............................................................................. 106

9.  TROUBLESHOOTING........................................................................................ 108

9.1  SENSOR FAILURE..................................................................................................................... 108

9.2  TIME STAMP PROBLEM ERROR MESSAGE...................................................................................... 108

9.3  UNABLE TO INSTALL ON A CORPORATE SYSTEM........................................................................... 108

9.4  SwayStar™ OPERATES SLOWER THAN NORMAL............................................................................. 108

9.5  Bluetooth permanently turned off............................................................................................ 109