2.6. VR treatment protocol
dizziness, abnormal or jerky movement or muscle spasm, Tightrope
The VR training program consisted of the Nintendo Wii console (RVL001, Nintendo, EUR), Wii Balance Board, Nintendo Wii remote control (RVL-003), and Wii Fit Plus software (Nintendo D-63760 GroBostheim).The patients were instructed to stand on the Wii Balance Board. The Wii Balance Board had a connection to the Wii using Bluetooth. The movements of the patients were shown on the LED screen by an avatar representing the self-expressions of the patient. During the session, the patients stood on the Wii board in front of the LED screen, which was placed at a distance of 2 meters. The patients performed the session under complete supervision to ensure their safety. If any abnormal or jerky movement or muscle spasm was observed before or during the session, the patient was immediately lowered with assistance. When the patient successfully completed the program, the level was advanced. The progression from beginner to advanced level was based on the patient’s individual ability. The games used in the VR session were selected based on the patient’s condition. The levels of complexity were decided according to the progress in the patient’s condition based on suitable levels for dizziness, balance, and gait improvement. The games consisted of Table Tilt, Tightrope Tension, Penguin Slide, Ski Slalom, and Heading.Virtual reality training games.