Table 2.
Representing root mean square error between the HTC Vive tracker and the COM in X, Y, and Z direction for the 12 BBS tasks.
| COM X (cm) | COM Y (cm) | COM Z (cm) | |
|---|---|---|---|
| Sitting to standing n = 13 | 2.35 ± 1.65 | 0.27 ± 0.17 | 2.53 ± 1.36 |
| Standing unsupported n = 10 | 0.34 ± 0.24 | 0.31 ± 0.17 | 0.19 ± 0.07 |
| Sitting unsupported n = 9 | 0.14 ± 0.15 | 0.10 ± 0.05 | 0.12 ± 0.15 |
| Standing unsupported with eyes closed n = 10 | 0.66 ± 0.68 | 0.49 ± 0.38 | 0.29 ± 0.29 |
| Standing with feet together n = 10 | 1.16 ± 0.38 | 0.94 ± 0.29 | 0.46 ± 0.11 |
| Reaching n = 11 | 2.28 ± 1.29 | 1.57 ± 1.06 | 1.55 ± 0.94 |
| Picking up object n = 12 | 6.43 ± 0.60 | 1.81 ± 1.36 | 4.14 ± 2.90 |
| Looking over shoulder n = 10 | 2.86 ± 0.98 | 7.97 ± 2.72 | 0.54 ± 0.18 |
| Turn 360 n = 8 | 10.44 ± 1.46 | 9.12 ± 1.36 | 0.66 ± 0.17 |
| Alternative stepping n = 10 | 1.83 ± 0.45 | 4.13 ± 1.60 | 1.21 ± 0.71 |
| Tandem stance n = 7 | 1.80 ± 0.34 | 1.70 ± 0.51 | 0.74 ± 0.23 |
| One leg standing n = 12 | 1.59 ± 0.83 | 2.06 ± 1.10 | 0.90 ± 0.48 |