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.