Page 61 - Demo

ACL reconstruction is not the only factor controlling tibial rotation593Table 2. Mean range of tibial rotation for ACL-deficient and ACL-reconstructed knees (same knee, different timepoint) during level walking, SLHD and side jump. N=7.Range of tibial rotation (degrees (SD))ACL-deficient ACL-reconstructed P-value†Level walking 13.0 (2.2) 14.1 (3.9) 0.38SLHD 16.3 (5.0) 17.4 (4.0) 0.39Side Jump 15.1 (5.3) 18.2 (4.7) 0.04*SLHD = single-leg hop for distance, SD = standard deviation † Results of paired t-test comparing means of ACL-deficient and ACL-reconstructed knees* indicates a significant resultTable 3. Mean range of tibial rotation for ACL-deficient and ACL-intact knees, both tested within three months after ACL injury, during level walking, SLHD and side jump. N=10. Range of tibial rotation (degrees (SD))ACL-deficient ACL-intact P-value†Level walking 13.7 (4.1)` 16.4 (5.6) 0.21SLHD 16.9 (3.7) 19.4 (5.5) 0.21Side Jump 16.6 (5.8) 20.7 (3.6) 0.08SLHD = single-leg hop for distance, Nm = newton-metre, SD = standard deviation † Results of paired t-test comparing means of ACL-deficient and ACL-reconstructed kneesAfter reconstruction a significant difference in rTR between ACLreconstructed and contralateral ACL-intact knees was found, as shown in Table 4: a significantly smaller rTR was observed in ACL-reconstructed knees compared to contralateral ACL-intact knees during all high-demand functional tests. Table 4. Mean range of tibial rotation for ACL-reconstructed and ACL-intact knees, both tested one year after ACLR, during level walking, SLHD and side jump. N=7.Range of tibial rotation (degrees (SD))ACL-reconstructed ACL-intact P-value†Level walking 14.1 (3.9) 16.8 (4.6) 0.09SLHD 17.4 (4.0) 22.8 (4.3) 0.01*Side Jump 18.2 (4.7) 22.8 (5.6) 0.03*SLHD = single-leg hop for distance, SD = standard deviation † Results of paired t-test comparing means of ACL-deficient and ACL-reconstructed knees* indicates a significant resultFigure 3 is a graphical representation of the results displaying mean rTR in ACL deficient, ACL intact and ACL reconstructed knees during the three different tasks.Mark Zee.indd 59 03-01-2024 08:56