Table 5.
Principal Components differences in High Dive kinematics.
| Kinematic Variable | Explained Variability (%) |
PC Score PS |
PC Scoren PS |
p-Value | Effect Size | Feature Explanation |
|---|---|---|---|---|---|---|
| Lower Limb, Ipsilateral | ||||||
| Hip intra-extra rotation | 49.3 | 17.7 ± 67 | −16.4 ± 63.9 | 0.008 | 0.52 | Greater internal rotation peaks |
| Lower Limb, Contralateral | ||||||
| Hip intra-extra rotation | 43.6 | 5.8 ± 23.5 | −5.4 ± 28.4 | 0.029 | 0.43 | Greater external rotation and ROM before take-off |
| Knee varus-valgus | 26.2 | 6.2 ± 23.4 | −5.7 ± 15.8 | 0.002 | 0.60 | More valgus before take-off |
| Knee intra-extra rotation | 62.3 | −27.7 ± 83.7 | 25.7 ± 78.6 | 0.001 | 0.66 | Less ROM and greater external rotation before take-off |
| Pelvis/Trunk/Head | ||||||
| Trunk ipsilateral tilt | 11.1 | −6.4 ± 28.5 | 5.9 ± 34.7 | 0.047 | 0.39 | Greater ipsilateral tilt during take-off and ball contact |
Note: PS = preferred side, nPS = non-preferred side; n.s. = not significant.