Table 2. Comparison of femoral rotation between ACL-deficient and normal knees at 6 flexion positions. Data are means (±SD).
Rotation
Extension
15°
30°
60°
90°
120°
(°)
ACLD
normal
ACLD
normal
ACLD
normal
ACLD
normal
ACLD
normal
ACLD
normal
IE
-1.8(2.8)
-7.2(3.2)*
7.9(4.8)
2.3(3.1)*
9.2(2.9)
7.7(2.6)
10.0(3.7)
9.8(1.5)
12.8(2.8)
11.9(1.6)
13.0(3.4)
12.0(3.3)
AA
4.5(1.8)
3.7(1.2)
5.1(1.7)
4.8(0.9)
5.3(2.0)
4.3(0.8)
5.1(1.5)
4.3(1.0)
3.9(1.7)
4.1(1.2)
3.5(1.8)
3.9(0.9)
*Significant change between ACL-deficient and normal knees (p < 0.05). External and adduction rotations are positive, internal and abduction rotations are negative. ACLD: ACL-deficient.IE: internal-external, AA: adduction-abduction.