Research Article

Use of a Computed Tomography Based Approach to Validate Noninvasive Devices to Measure Rotational Knee Laxity

Table 1

Data achieved by CT scanner on female volunteers (FVs) and male volunteers (MVs).

Torque (Nm)RestExternal (°)Internal (°)
0−5−10−15+5+10+15

FV1
 APF237715
 APT−7−262517
 RPTF−9−29−5−22
FV2
 APF−7−11−17−23−8
 APT−18−42−50−56−8
 RPTF−11−31−33−330
FV3
 APF−3−7−1259
 APT−7−33−42812
 RPTF−4−26−3033
MV1
 APF−7−7−5−31.5
 APT−16−25−10−5−1.5
 RPTF−9−18−5−2−3
MV2
 APF−1−2−6−113
 APT−9−32−40−461
 RPTF−8−30−34−35−2
MV3
 APF−9−15−21−2−1
 APT−25−51−6058
 RPTF−16−36−3979

APF: Absolute Position of the Femur; APT: Absolute Position of the Tibia; RPTF: Relative Position of the Tibia with respect to the Femur.