TABLE 1.
Means ± SD for each predictor and dependent variable by sex.a
| Variables | Females (n = 68) | Males (n = 50) |
|---|---|---|
| Joint laxity | ||
| AKL (mm) | 6.6 ± 2.0 | 6.6 ± 1.8 |
| GR (°) | 3.4 ± 3.4 | 3.7 ± 3.9 |
| GJL (score) | 1.9 ± 1.7 | 0.9 ± 1.3 |
| Work absorption (J·N−1·cm−1) × 102 | ||
| Hip | 7.95 ± 3.20 | 8.14 ± 3.83 |
| Knee | 4.26 ± 2.17 | 2.64 ± 1.19 |
| Ankle | 8.66 ± 2.73 | 8.30 ± 3.02 |
| Joint stiffness (N·m·N−1·cm−1·deg−1) × 102 | ||
| Hip | 0.30 ± 0.13 | 0.47 ± 0.30 |
| Knee | 0.14 ± 0.05 | 0.13 ± 0.07 |
| Ankle | 0.20 ± 0.05 | 0.23 ± 0.05 |
| Internal joint moments (N·m·N−1·cm−1) | ||
| Hip | 0.176 ± 0.040 | 0.193 ± 0.042 |
| Knee | 0.074 ± 0.028 | 0.061 ± 0.025 |
| Ankle | 0.116 ± 0.024 | 0.125 ± 0.030 |
| Joint kinematics (°) | ||
| Hip | ||
| Initial | 23.0 ± 7.5 | 23.0 ± 9.1 |
| Peak | 71.7 ± 14.0 | 65.6 ± 20.6 |
| Excursion | 48.7 ± 13.8 | 42.6 ± 17.2 |
| Knee | ||
| Initial | 15.5 ± 6.4 | 17.1 ± 6.6 |
| Peak | 88.3 ± 11.9 | 84.1 ± 13.1 |
| Excursion | 72.8 ± 12.1 | 67.0 ± 12.0 |
| Ankle | ||
| Initial | 41.2 ± 7.3 | 41.8 ± 7.0 |
| Peak | 100.3 ± 7.0 | 96.4 ± 6.2 |
| Excursion | 59.2 ± 7.8 | 54.6 ± 8.3 |
| Muscle activation (%MVIC) | ||
| Prelanding | ||
| Quadriceps | 18.1 ± 8.3 | 12.9 ± 6.3 |
| Hamstring | 20.2 ± 12.0 | 13.9 ± 5.9 |
| Gastrocnemius | 50.9 ± 18.2 | 51.0 ± 21.4 |
| Postlanding | ||
| Quadriceps | 92.4 ± 32.3 | 76.8 ± 26.2 |
| Hamstring | 52.6 ± 33.7 | 23.5 ± 11.1 |
| Gastrocnemius | 70.5 ± 45.3 | 63.7 ± 42.5 |
a
Sex comparisons have been previously reported in a smaller subset of these data (32).