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Fig. 4 | Knee Surgery & Related Research

Fig. 4

From: All types of component malrotation affect the early patient-reported outcome measures after total knee arthroplasty

Fig. 4

a Axial computed tomography (CT) image through the tibial component polyethylene showing the tibial component axis, which is defined as the perpendicular to the posterior margin of the component. b Axial CT image through the tibial tuberosity showing the tibial tuberosity axis (T.T.A), which is defined by the line connecting the geometric center of the tibial plateau to the tip of the tibial tubercle. c The T.T.A from b is superimposed on the tibial component axis (T.C.A) from a. The rotation of the tibial component is recorded as the angle subtended by the T.T,A and the T.C.A

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Knee Surgery & Related Research

ISSN: 2234-2451