Fig. 7. The standing lateral full length radiography of lower extremity shows 15o of hyperextension (HE) of the knee joint and 120° of PDFA, which is 36° recurvatum of the distal femur. Therefore, there is also 21° of knee joint flexion contracture and genu recurvatum. PDFA: posterior distal femoral angle, PPTA: posterior proximal tibial angle.
	J Korean Fract Soc. 2017 Jul;30(3):156-166. https://doi.org/10.12671/jkfs.2017.30.3.156
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