Fig. 2
From: Learning curve analysis of robotic-assisted total knee arthroplasty with a Chinese surgical system
Diagram of the knee joint axis and angle. a The center of the femoral head was determined by the center of the MOSE circle. b The center of the ankle joint was the center of the articular surface of the talus. c Preoperative mLDFA and MPTA. Point A: Apex of the intercondylar. Point B: Center of interspinous groove. d Postoperative mLDFA and MPTA. Point C: Apex of the implant intercondylar. Point D: Center of the implant tibial plateau