Journal of Experimental Orthopaedics

Table 2 The amount of tibial rotation in degrees in 26 pair of knees suspected for unilateral ACL injury with a 6 Nm torque

From: A novel test for assessment of anterolateral rotatory instability of the knee: the tibial internal rotation test (TIR test)

	injured side	intact side	mean difference^a
30°of flexion
internal rotation	32.2 ± 11.8	32.2 ± 9.7	0.0 ± 11.1
external rotation	39.4 ± 9.6	37.3 ± 9.6	2.1 ± 8.4
total rotation	71.6 ± 17.3	69.4 ± 16.5	2.2 ± 15.0
60° degrees of flexion
internal rotation	24.5 ± 7.8	25.5 ± 7.5	−1.1 ± 8.5
external rotation	39.7 ± 6.7	38.0 ± 8.9	1.8 ± 8.5
total rotation	64.2 ± 11.8	63.5 ± 13.8	0.7 ± 14.0
90° degrees of flexion
internal rotation	24.1 ± 8.9	25.3 ± 9.4	−1.2 ± 12.3
external rotation	40.8 ± 8.1	39.1 ± 10.2	1.7 ± 7.2
total rotation	64.9 ± 11.6	64.4 ± 15.3	0.5 ± 13.8

^aNot statistically significant

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