Table 2.
Retained principal component (PC) correlation coefficients. Explained variance is in parentheses (%).
| Task | PC1 (%) | PC2 (%) | PC3 (%) | PC4 (%) | PC5 (%) | PC6 (%) | PC7 (%) | PC8 (%) | PC9 (%) |
|---|---|---|---|---|---|---|---|---|---|
| RTK | 0.948 (75.5) | 0.770 (10.1) | 0.744 (4.24) | 0.939 (3.46) | - | - | - | - | - |
| RTP | 0.937 (71.5) | 0.701 (13.7) | 0.810 (5.72) | 0.988 (3.28) | - | - | - | - | - |
| KTR | 0.903 (50.2) | 0.702 (13.6) | 0.792 (9.27) | 0.970 (6.78) | 0.923 (4.45) | 0.849 (3.13) | 0.586 (2.59) | 0.612 (2.13) | 0.744 (1.92) |
| PTR | 0.829 (39.7) | 0.774 (27.6) | 0.678 (11.6) | 0.865 (4.54) | 0.882 (3.21) | 0.735 (2.74) | 0.887 (2.85) | - | - |
| KTP | 0.963 (48.7) | 0.961 (17.6) | 0.936 (10.9) | 0.884 (5.10) | 0.509 (4.14) | 0.702 (2.84) | 0.923 (2.05) | - | - |
| PTK | 0.867 (48.7) | 0.931 (27.0) | 0.962 (7.80) | 0.643 (4.54) | 0.710 (2.97) | 0.954 (2.30) | 0.848 (1.83) | - | - |
| Run | 0.541 (61.3) | 0.616 (27.3) | 0.874 (2.97) | 0.864 (2.58) | - | - | - | - | - |
| Walk | 0.819 (60.0) | 0.485 (22.8) | 0.924 (13.7) | 0.867 (6.69) | 0.635 (3.95) | 0.644 (1.60) | - | - | - |
Note: RTK = run-to-kneel; RTP = run-to-prone; KTR = kneel-to-run; PTR = prone-to-run; KTP = kneel-to-prone; PTK = prone-to-kneel.