Which of the following is more important to avoid in primary knee replacement to ensure optimal knee function?

A: External rotation of the femoral component

B: External rotation of the tibial component

C: Internal rotation of the femoral component

D: Internal rotation of the tibial component

E: None of the above

The correct answers are C and D. In primary knee replacement, it is crucial to avoid internal rotation of both the femoral and tibial components because it can lead to patellar tracking issues. While avoiding external rotation is also important, the consequences of internal rotation are typically more severe. Therefore, ensuring proper alignment by avoiding internal rotation helps maintain knee function.

Which of the following is more important to avoid in primary knee replacement to ensure optimal knee function?

Which of the following is more important to avoid in primary knee replacement to ensure optimal knee function?

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