From: Comparison between clinical grading and navigation data of knee laxity in ACL-deficient knees
Clinical grade | |||
---|---|---|---|
Grade 1+ | Grade 2+ | Grade 3+ | |
Lachman test | |||
Displacement (mm) | 10.0 | 13.2 ± 3.1c | 14.5 ± 3.3b |
Anterior drawer test | |||
Displacement (mm) | 6.8 ± 1.4 | 7.4 ± 1.8c | 9.1 ± 2.3a, b |
Pivot shift test | |||
Before reduction | |||
Displacement (mm) | 3.9 ± 1.8c | 4.8 ± 2.1c | 6.0 ± 3.2a, b |
Rotation (deg) | 21.5 ± 7.8 | 21.8 ± 7.1 | 21.1 ± 7.1 |
After reduction | |||
Displacement (mm) | 3.4 ± 1.6 | 3.1 ± 1.5 | 3.6 ± 1.9 |
Rotation (deg) | 25.6 ± 7.2 | 26.3 ± 5.7 | 25.5 ± 6.8 |