Rotational alignment in total knee arthroplasty

Rotational alignment is important for a good functional outcome and the longterm success of total knee arthroplasty (TKA). Malalignment can cause patellofemoral complications such as subluxation, dislocation, and wear. Furthermore, abnormal internal or external rotational alignment is reportedly a cause of instability, implant loosening, and unexplained painful total knee arthroplasty. To deter…