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.