Table 3 Mean and standard deviation values of the error patterns of the knee kinematics reported in Figure 5.
pose estimator | flexion [deg] | abduction [deg] | internal [deg] | anterior [mm] | proximal [mm] | medial [mm] |
|---|---|---|---|---|---|---|
geometric | -2.3 (2.0) | -0.3 (2.4) | 0.6 (2.3) | -3.6 (2.8) | -0.6 (1.0) | -6.5 (4.5) |
SVD 4-markers | -0.6 (2.2) | -1.0 (1.8) | -0.7 (2.4) | 1.1 (3.6) | 1.9 (3.0) | -0.8 (1.8) |
SVD 12-markers | -1.7 (0.7) | 0.1 (0.4) | -0.4 (1.7) | 3.4 (2.4) | 0.6 (2.3) | 1.8 (2.0) |
PCTu 4-markers | 0.5 (3.6) | -1.3 (1.9) | -1.1 (2.9) | -3.2 (7.1) | -0.5 (1.9) | 6.7 (3.4) |
PCTu 12-markers | 1.0 (2.4) | 1.5 (1.3) | -0.8 (2.9) | 1.5 (5.6) | -0.2 (3.8) | 5.1 (3.9) |
PCTa 12-markers | -2.3 (3.7) | -0.2 (1.7) | -2.5 (2.8) | -1.2 (7.4) | 0.2 (4.3) | 5.6 (6.1) |