Research Article
Noninvasive Estimation of Joint Moments with Inertial Sensor System for Analysis of STS Rehabilitation Training
Table 2
Analysis and comparison of compositive joint angles (θ1, θ2, and θ3) derived from the IMUs and RCS in STS tasks performed by healthy subjects.
| Healthy subjects | Ankle joint angle θ1 (rad) | Knee joint angle θ2 (rad) | Hip joint angle θ3 (rad) | RMSE | R | emax | RMSE | R | emax | RMSE | R | emax |
| 1 | 0.079 | 0.951 | 0.094 | 0.068 | 0.919 | 0.166 | 0.031 | 0.933 | 0.120 | 2 | 0.092 | 0.939 | 0.101 | 0.069 | 0.902 | 0.198 | 0.039 | 0.929 | 0.124 | 3 | 0.112 | 0.926 | 0.114 | 0.085 | 0.869 | 0.201 | 0.046 | 0.928 | 0.157 | 4 | 0.117 | 0.919 | 0.179 | 0.094 | 0.853 | 0.229 | 0.054 | 0.915 | 0.195 | 5 | 0.123 | 0.917 | 0.198 | 0.112 | 0.808 | 0.286 | 0.060 | 0.901 | 0.287 | Average | 0.105 | 0.930 | 0.137 | 0.087 | 0.870 | 0.216 | 0.046 | 0.921 | 0.177 |
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