Table 1. The intraclass correlation coefficient [ICC (1, 3)] for knee valgus at each phase of landing and the excursion in three measurements of the drop vertical jump.
3D
Human
OpenPose
Ground
contact
1.00 [0.99-1.00]
0.99 [0.99-1.00]
1.00 [0.99-1.00]
Lowest
COG after landing
0.98 [0.95-0.99]
0.97 [0.94-0.99]
0.96 [0.92-0.98]
Excursion
of the knee valgus angle
0.96 [0.91-0.98]
0.94 [0.88-0.97]
0.93 [0.86-0.97]
ICC (1,3) [95% confidence intervals]; 3D: three-dimensional motion analysis, Human: human visual detection-based motion analysis, OpenPose: OpenPose-based motion analysis; p value was ≤ 0.001 for all parameters.