Supine lateral radiographs at 90° of knee flexion have a similar diagnostic accuracy for chronic posterior cruciate ligament injuries as stress radiographs.
Sang-Gyun KimSoo-Hyun KimWon-Suk ChoiJi-Hoon BaePublished in: Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA (2018)
Level IV, case series.