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. 2024 Nov 13;60(11):1860. doi: 10.3390/medicina60111860

Figure 2.

Figure 2

Radiographic evaluation of knee axial projections. Knee axial X-Rays with 30°, 60°, and 90° of flexion and hindfoot X-Ray of the ankle to obtain (A) sulcus angle; (B) Laurin angle; (C) Merchant congruence angle; and (D) the hindfoot alignment X-Ray view with measurement of the tibiocalcaneal angle.