|  |  | Post-operative | |||
---|---|---|---|---|---|---|
 |  |  | Extension strength | Flexion strength | ||
 |  |  | affected leg | LSI | affected leg | LSI |
pre-operative | Extension strength | Affected leg | 0.79* | 0.29 | 0.63* | 0.16 |
LSI | 0.33* | 0.18 | 0.26* | 0.06 | ||
Flexion strength | Affected leg | 0.5* | 0.09 | 0.64* | 0.11 | |
LSI | 0.36* | 0.15 | 0.39* | 0.22 |