Table 3.
Descriptive statistics (Mean (SD)) for Temporal Variables obtained by Marker-Based and Markerless solutions from both sides (Left and Right).
| Marker-Based | Markerless | System | Side | Interaction | ICC (95%CI) | ||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | Left | Right | Left | Right | F(1, 110) | F(1, 110) | F(1, 110) | Left | Right |
| Unweighting phase (s) | 0.241 (0.043) | 0.239 (0.044) | 0.241 (0.047) | 0.238 (0.043) | 0.070 | 0.077 | 0.115 | 0.912 (0.851 ÷ 0.949) | 0.914 (0.853 ÷ 0.949) |
| Breaking phase (s) | 0.178 (0.032) | 0.185 (0.039) | 0.173 (0.029) | 0.180 (0.032) | 5.171 * | 1.254 | 0.003 | 0.948 (0.912 ÷ 0.970) | 0.838 (0.723 ÷ 0.905) |
| Eccentric phase (s) | 0.419 (0.065) | 0.424 (0.066) | 0.414 (0.067) | 0.418 (0.068) | 7.537 * | 0.131 | 0.236 | 0.965 (0.940 ÷ 0.979) | 0.988 (0.979 ÷ 0.993) |
| Propulsive phase (s) | 0.243 (0.038) | 0.239 (0.039) | 0.210 (0.036) | 0.206 (0.031) | 659.964 ** | 0.405 | 0.045 | 0.982 (0.969 ÷ 0.989) | 0.941 (0.900 ÷ 0.966) |
| Take-off phase (s) | 0.662 (0.092) | 0.664 (0.096) | 0.624 (0.096) | 0.625 (0.094) | 370.717 ** | 0.007 | 0.136 | 0.985 (0.974 ÷ 0.991) | 0.990 (0.983 ÷ 0.994) |
| LD eccentric phase (s) | 0.260 (0.127) | 0.258 (0.124) | 0.249 (0.135) | 0.253 (0.128) | 22.443 ** | 0.001 | 3.173 | 0.995 (0.992 ÷ 0.997) | 0.996 (0.994 ÷ 0.998) |
| Flight time toe (s) | 0.547 (0.065) | 0.553 (0.059) | 0.608 (0.086) | 0.616 (0.070) | 351.538 ** | 0.292 | 0.091 | 0.944 (0.904 ÷ 0.968) | 0.926 (0.873 ÷ 0.957) |
| Jump height (m) | 0.340 (0.076) | 0.342 (0.068) | 0.362 (0.074) | 0.359 (0.073) | 90.965 ** | 0.005 | 1.280 | 0.971 (0.950 ÷ 0.983) | 0.986 (0.975 ÷ 0.992) |
| Countermovement depth (m) | 0.292 (0.079) | 0.291 (0.065) | 0.306 (0.073) | 0.305 (0.075) | 16.156 ** | 0.007 | 0.021 | 0.923 (0.868 ÷ 0.955) | 0.949 (0.913 ÷ 0.970) |
| LD depth (m) | 0.24 (0.13) | 0.24 (0.12) | 0.25 (0.13) | 0.25 (0.14) | 27.490 ** | 0.009 | 0.804 | 0.995 (0.992 ÷ 0.997) | 0.991 (0.984 ÷ 0.995) |
| Max. CoM vertical velocity (m/s) | 2.33 (0.31) | 2.33 (0.27) | 2.35 (0.29) | 2.39 (0.27) | 20.242 ** | 0.212 | 5.519 * | 0.961 (0.934 ÷ 0.977) | 0.979 (0.964 ÷ 0.988) |
| Take-off CoM vertical velocity (m/s) | 2.33 (0.30) | 2.33 (0.26) | 2.25 (0.27) | 2.27 (0.26) | 34.395 ** | 0.057 | 0.771 | 0.945 (0.905 ÷ 0.968) | 0.950 (0.914 ÷ 0.971) |
| Min. CoM vertical velocity (m/s) | −2.23 (0.30) | −2.22 (0.28) | −2.27 (0.31) | −2.30 (0.30) | 68.549 ** | 0.047 | 8.655 * | 0.987 (0.977 ÷ 0.992) | 0.981 (0.968 ÷ 0.989) |
| Ankle dorsiflexion angle (deg) | 71 (5) | 71 (5) | 71 (7) | 70 (6) | 0.892 | 0.851 | 0.024 | 0.812 (0.680 ÷ 0.890) | 0.571 (0.269 ÷ 0.749) |
| Knee flexion angle (deg) | 105.2 (8.4) | 103.0 (10.4) | 96.8 (7.4) | 96.3 (7.8) | 170.555 ** | 0.825 | 2.245 | 0.846 (0.737 ÷ 0.909) | 0.861 (0.763 ÷ 0.918) |
| Hip flexion angle (deg) | 76 (20) | 76 (19) | 65 (18) | 66 (18) | 156.399 ** | 0.022 | 0.124 | 0.946 (0.908 ÷ 0.968) | 0.934 (0.888 ÷ 0.961) |
| LD ankle dorsiflexion angle (deg) | 71.3 (5.1) | 70.1 (5.2) | 72.7 (5.7) | 71.8 (5.3) | 8.200 * | 1.490 | 0.021 | 0.744 (0.563 ÷ 0.850) | 0.376 (−0.064 ÷ 0.634) |
| LD knee flexion angle (deg) | 109 (16) | 107 (18) | 102 (18) | 102 (18) | 128.975 ** | 0.161 | 1.111 | 0.970 (0.949 ÷ 0.983) | 0.971 (0.950 ÷ 0.983) |
| LD hip flexion angle (deg) | 96 (39) | 97 (39) | 89 (40) | 89 (40) | 118.316 ** | 0.001 | 0.997 | 0.992 (0.986 ÷ 0.995) | 0.990 (0.982 ÷ 0.994) |
Note: * p < 0.05; ** p < 0.01.