Table 4. .
Mechanical Laxity Changes as Load Increased in Healthy and Unstable Ankles (Mean ± SD)a
| Group |
Anterior Displacement, mm |
Inversion Rotation, ° |
||||||||
| Force, N |
Torque, Nm |
|||||||||
| 0 |
30 |
60 |
90 |
125 |
0 |
1 |
2 |
3 |
4 |
|
| Healthy | 0.44 ± 0.30 | 2.09 ± 0.91 | 4.09 ± 1.45 | 6.21 ± 2.15 | 8.31 ± 2.41 | 0.36 ± 0.27 | 6.99 ± 3.30 | 14.81 ± 4.96 | 20.85 ± 6.19 | 25.46 ± 6.69 |
| Unstable | 0.30 ± 0.26 | 1.51 ± 0.77 | 3.36 ± 5.15 | 5.15 ± 1.96 | 7.24 ± 1.98 | 0.48 ± 0.41 | 6.83 ± 4.48 | 15.70 ± 6.12 | 22.06 ± 7.23 | 26.74 ± 7.99 |
a
Significant increase at each level of force for both groups (P < .001).