Table 3. The mean absolute error of the knee valgus angles and t-test results using the three-dimensional
motion analysis as a reference.
|
Human |
OpenPose |
P value |
Ground
contact |
3.5 (2.5-4.5) |
3.4 (2.2-4.6) |
0.898 |
Lowest
COG after landing |
4.1 (2.6-5.6) |
5.2 (3.4-7.0) |
0.319 |
Excursion
of the knee valgus angle |
3.5 (2.5-4.4) |
4.2 (3.1-5.4) |
0.286 |
Throughout
the landing phase |
3.2 (2.1-4.4) |
2.4 (1.9-3.0) |
0.194 |
Mean (95% confidence intervals), degree; P value by unpaired t-tests (Human vs. OpenPose); Human: human visual
detection-based motion analysis, OpenPose: OpenPose-based motion analysis, COG: center of gravity.