Fig. 1From: Introduction of ROSA robotic-arm system for total knee arthroplasty is associated with a minimal learning curve for operative timeCumulative Summation (CUSUM) analysis of the initial RA total knee arthroplasty cases of three surgeons. Inflexion points were observed at 15, 5 and 6 cases for Surgeons 1, 2 and 3, respectivelyBack to article page