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.