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Table 2 Modified Coronal Plane Alignment of the Knee classification (mCPAK)

From: Definitions and consequences of current alignment techniques and phenotypes in total knee arthroplasty (TKA) – there is no winner yet

 

Femur (LDFA)

Tibia (MPTA)

 

Valgus

Neutral (0° ± 0.5°)

Varus

Varus

I

Valgus

Neutral

Varus

II

Only Varus

III

Only Varus

Neutral (0° ± 0.5°)

IV

Only Valgus

V

Neutral

VI

Only Varus

Valgus

VII

Only Valgus

VIII

Only Valgus

IX

Varus

Neutral

Valgus

  1. Modified Coronal Plane Alignment of the Knee classification (mCPAK) with nine theoretical coronal knee phenotypes and the possible overall coronal alignment type (varus, neutral or valgus) for each one