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Table 3 Kinematic and CT data for pre- and postoperative knees

From: Comparison of in vivo knee kinematics before and after bicruciate-stabilized total knee arthroplasty during squatting

 

preoperative

postoperative

p-value

Tibiofemoral functional extension angle (°)

12.2 ± 6.7

9.6 ± 8.6

0.3389

Tibiofemoral functional flexion angle (°)

100.1 ± 16.8

109.4 ± 16.8*

0.0037

Total femoral AP translation relative to the tibia (mm)

10.8 ± 3.7

14.4 ± 4.2*

0.0093

Maximal posterior position of the femur relative to the tibia (mm)

-7.4 ± 4.7

-13.1 ± 4.9*

< 0.001

Total femoral rotation angle relative to the tibia (°)

6.6 ± 3.0

6.4 ± 3.7

0.8495

Non-weight-bearing femoral rotation angle relative to the tibia (°)

-0.6 ± 4.8

7 ± 4.5*

< 0.001

  1. Values are expressed as the mean ± standard deviation and range
  2. AP anterior-posterior
  3. *significantly different between pre- and postoperative knees (p < .05)