From: A mathematical model for incorporating biofeedback into human postural control
 | Average error (Sway) | |||
---|---|---|---|---|
 | AP | ML | ||
 | 180° | 225° | 225° | 90° |
Tactors off | 0.16° | 0.19° | 0.09° | 0.19° |
1×2 | 0.85° | 0.27° | 0.11° | - |
3×4 | 0.33° | 0.36° | 0.10° | 0.18° |
3×8 | - | 0.21° | 0.14° | - |
3×16 | - | 0.30° | 0.12° | - |
 | Cross-correlation value (Sway) | |||
 | AP | ML | ||
 | 180° | 225° | 225° | 90° |
Tactors off | 0.998 | 0.99 | 0.97 | 0.95 |
1×2 | 0.94 | 0.97 | 0.98 | - |
3×4 | 0.98 | 0.95 | 0.98 | 0.96 |
3×8 | - | 0.98 | 0.95 | - |
3×16 | - | 0.97 | 0.93 | - |
 | Average error (COP) | |||
 | AP | ML | ||
 | 180° | 225° | 225° | 90° |
Tactors off | 0.47 cm | 0.21 cm | 0.33 cm | 0.46 cm |
1×2 | 0.49 cm | 0.26 cm | 0.51 cm | - |
3×4 | 0.46 cm | 0.23 cm | 0.51 cm | 0.42 cm |
3×8 | - | 0.34 cm | 0.49 cm | - |
3×16 | - | 0.27 cm | 0.42 cm | - |
 | Cross-correlation value (COP) | |||
 | AP | ML | ||
 | 180° | 225° | 225° | 90° |
Tactors off | 0.98 | 0.99 | 0.98 | 0.98 |
1×2 | 0.97 | 0.98 | 0.93 | - |
3×4 | 0.96 | 0.99 | 0.93 | 0.98 |
3×8 | - | 0.97 | 0.92 | - |
3×16 | - | 0.98 | 0.95 | - |