Table 3. Comparison of extents of movement and rotation between ACL-deficient and normal knees from extension to 120°. Data are means (±SD).
Extent
Extension-15°
15°-60°
60°-120°
ACLD
normal
ACLD
normal
ACLD
normal
AP movement of femur (mm)
3.0(1.9)
2.5(1.7)
-.4(1.4)
2.4(2.1)*
2.9(2.1)
2.5(1.6)
AP movement of lateral condyle (mm)
7.3(3.7)
6.6(3.1)
.3(2.3)
5.6(3.6)*
4.1(3.3)
3.4(2.6)
IE rotation of femur (°)
9.7(4.2)
9.5(3.5)
2.2(2.5)
7.5(4.1)*
3.0(3.4)
2.2(3.1)
* Significant change between ACL-deficient and normal knees (p < 0.05). Posterior movement and external rotation are positive, anterior movement and internal rotation are negative. ACLD: ACL-deficient. AP: anterior-posterior, IE: internal-external.