Table 1.
Descriptive analysis (Means of five trials, and SD) of the kinematic variables at initial contact, peak posterior ground reaction force (PGRF), and peak stance during two athletic tasks using two landing-techniques. All variables measured in degrees.
| Sidestep | Pivot | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Forefoot | Rearfoot | Forefoot | Rearfoot | |||||||
| Mean | SD | Mean | SD | P | Mean | SD | Mean | SD | P | |
| Initial contact | ||||||||||
| Knee flexion (−) / extension (+) | −42.0 | 10.3 | −33.1 | 6 | <0.001* | −25.9 | 7.8 | −17.8 | 5 | <0.001* |
| Knee valgus (−) / varus (+) | −0.7 | 11.2 | −3.1 | 9 | 0.031* | −12.8 | 7.9 | −7.4 | 6.7 | <0.001* |
| Hip flexion | 49.5 | 10.6 | 55.1 | 8.3 | 0.033* | 46.5 | 8 | 50.7 | 6.9 | <0.001* |
|
| ||||||||||
| PPGRF | ||||||||||
| Knee flexion (−) / extension (+) | −50.2 | 7.8 | −48.4 | 7 | >0.05 | −41.1 | 12.3 | −30.3 | 8.7 | <0.001* |
|
| ||||||||||
| Peak Stance | ||||||||||
| Knee flexion (−) / extension (+) | −53.7 | 7.1 | −56.1 | 5.4 | 0.012* | −58.6 | 9.3 | −54.6 | 8.4 | >0.05 |
| Knee valgus (−) / varus (+) | −3.6 | 11 | −4.8 | 8.6 | >0.05 | −14.4 | 8.2 | −8.4 | 7.3 | <0.001* |
| Hip flexion | 50 | 9.8 | 57.3 | 7.8 | 0.006* | 58.2 | 12.4 | 66.3 | 10.4 | <0.001* |
*
Denotes statistical difference between landing techniques within each athletic task