Fig. 1

Radiographic measurement of femorotibial angle (FTA, a), medial proximal tibial angle (MPTA, b), and lateral distal femoral angle (LDFA, b) on an anteroposterior x-ray view of the knee
Radiographic measurement of femorotibial angle (FTA, a), medial proximal tibial angle (MPTA, b), and lateral distal femoral angle (LDFA, b) on an anteroposterior x-ray view of the knee