Page 75 - Demo

ACL reconstruction is not the only factor controlling tibial rotation733Appendix AKinematic/Kinetic variable Pre-operative Post-operative ACL-intact ACL-deficient P-value 1 ACL-intact ACL-reconstructed P-value 2 P-value 3Level WalkingMax knee flexion, in degrees (SD) 42.7 (7.2) 41.4 (6.6) 0.33 43.6 (4.5) 41.1 (4.9) 0.30 0.04*Max knee extension, in degrees (SD) 3.5 (2.2) 5.5 (3.5) 0.02* 4.7 (2.3) 6.0 (2.2) 0.81 0.13Max knee valgus, in degrees (SD) 4.4 (1.8) 4.4 (1.7) 1.00 5.3 (2.2) 4.7 (1.9) 0.92 0.46Max knee varus, in degrees (SD) 1.1 (1.2) 0,9 (0.5) 0.75 0.8 (0.9) 1.0 (0.8) 0.47 0.48Knee flexion moment, in Nm (SD) 0.8 (0.3) 0.9 (0.3) 0.09 0.9 (0.3) 0.8 (0.2) 0.49 0.49Max ATT, in mm (SD) 6.6 (3.0) 4.6 (4.8) 0.06 6.2 (6.6) 4.4 (6.6) 0.25 0.25Range of tibial rotation 16.4 (5.6) 13.7 (4.1) 0.21 16.8 (4.6) 14.1 (3.9) 0.38 0.09Single Leg Hop for DistanceMax knee flexion, in degrees (SD) 57.5 (9.5) 53.0 (6.7) 0.13 61.4 (10.5) 60.7 (10.4) 0.03* 0.75Max knee extension, in degrees (SD) 19.4 (4.0) 19.4 (2.7) 0.98 20.4 (6.3) 22.8 (3.5) 0.03* 0.30Max knee valgus, in degrees (SD) 9.1 (4.5) 6.3 (3.8) 0.10 9.9 (4.9) 7.2 (1.8) 0.27 0.15Max knee varus, in degrees (SD) -0.3 (0.9) 1.5 (3.8) 0.16 0.3 (2.4) 1.1 (1.8) 0.60 0.50Knee flexion moment, in Nm (SD) 5.2 (0.8) 6.2 (1.4) .14 5.9 (1.9) 5.2 (1.0) 0.50 0.50Max ATT, in mm (SD) 13.4 (7.2) 10.1 (5.4) 0.89 12.7 (3.4) 12.2 (8.5) 0.82 0.82Range of tibial rotation 19.4 (5.5) 16.9 (3.7) 0.21 22.8 (4.3) 17.4 (4.0) 0.39 0.01*Side JumpMax knee flexion, in degrees (SD) 49.1 (16.4) 51.8 (7.2) 0.54 56.7 (7.4) 56.1(9.8) 0.15 0.77Max knee extension, in degrees (SD) 25.2 (5.8) 29.6 (3.7) 0.06 28.3 (7.3) 29.7 (7.8) 0.74 0.44Max knee valgus, in degrees (SD) 10.3 (5.2) 7.9 (4.9) 0.17 11.3 (6.4) 8.6 (3.0) 0.11 0.19Max knee varus, in degrees (SD) -2.0 (3.4) 0.0 (3.7) 0.10 -2.5 (4.0) -0.3 (2.1) 0.43 0.10Knee flexion moment, in Nm (SD) 1.9 (0.6) 2.4 (0.9) .27 2.2 (0.7) 1.7 (0.5) 0.14 0.14Max ATT, in mm (SD) 7.7 (5.8) 6.7 (5.5) 0.37 7.6 (5.5) 8.9 (7.6) 0.51 0.51Range of tibial rotation 20.7 (3.6) 16.6 (5.8) 0.08 22.8 (5.3) 18.2 (4.7) 0.04* 0.03*P-value 1 = results of paired t-test comparing means of ACL-deficient and contralateral ACL-intact kneesP-value 2 = results of paired t-test comparing means of ACL-deficient and ACL-reconstructed kneesP-value 3= results of paired t-test comparing means of ACL-reconstructed and contralateral ACL-intact kneeATT = Anterior Tibial Translation Nm = newton-metre, SD = standard deviationP-value 1 P-value 2 P-value 3Mark Zee.indd 73 03-01-2024 08:56