Table 2.
Absolute percent differences (%Diff) between ANN-predicted peak, inverse dynamic-calculated peak, and summed vertical knee joint force (Fv). The superscript minus indicates an underestimation of the ANN.
| Movement Task | Discrete Biomechanical Metrics | |
|---|---|---|
| Peak Fv | Summed Fv | |
| %Diff | %Diff | |
| Moderate running | 10.0 (12.8) | 3.0 (11.0)‾ |
| Fast running | 16.1 (34.2) | 2.8 (15.5)‾ |
| Running 90° clockwise turn | 17.4 (36.3) | 6.8 (15.2)‾ |
| Running 90° counter-clockwise turn | 19.3 (28.0) | 2.3 (9.6)‾ |
| Sprint start | 24.9 (26.7) | 1.5 (31.0)‾ |
| Full-stop | 3.3 (23.3) | 2.6 (32.0)‾ |
| Left-sided cutting maneuver | 21.0 (25.6) | 0.8 (15.8) |
| Right-sided cutting maneuver | 17.2 (20.2) | 1.9 (16.4) |
| Side shuffle cut | 2.6 (19.3)‾ | 15.0 (7.3)‾ |
| Walking | 13.8 (16.2) | 0.9 (9.3) |
| Walking 90° clockwise turn | 8.7 (12.6) | 2.1 (12.7) |
| Walking 90° counter-clockwise turn | 19.5 (24.5) | 2.6 (7.5) |
| One-leg jump take-off | 8.0 (18.7) | 6.5 (17.0)‾ |
| One-leg jump landing | 6.4 (12.6)‾ | 6.1 (10.5)‾ |
| Two-leg jump take-off | 60.8 (59.8) | 16.1 (31.2) |
| Two-leg jump landing | 22.9 (34.7) | 19.5 (30.0) |
| Mean | 17.0 (13.6) | 5.7 (5.9) |