Table 3. Body worn sensor errors for estimating CoM distance in respect to unset of movement (peak and range of motion) during fast, medium, and slow speed movements.
| Type of Error |
Anterior-posterior |
Medial-lateral |
| Absolute value, [cm] |
Relative Value, [%] |
Absolute value, [cm] |
Relative Value, [%] |
| Two-links model |
| Systematic |
.27 |
1.22 |
-1.60 |
-6.04 |
| Random |
2.46 |
11.18 |
3.88 |
14.64 |
| RMSE† |
2.42 |
11.01 |
4.13 |
15.55 |
| Three-links model |
| Systematic |
1.12 |
5.11 |
-3.24 |
-12.21 |
| Random |
2.05 |
9.30 |
5.30 |
19.96 |
| RMSE† |
2.30 |
10.44 |
6.11 |
23.04 |
‡ Root mean square error
