Table 1.

Authors algorithm.

Constraint level increasing	Prosthesis	MCL	LCL	PCL
Least	PCL Retaining	+	+	+
	Deep Dish	+	+	–
	Posterior Stabilised	+	+	–
	Constrained Condylar	+-	+	–
Most	Rotating Hinge	–	–	–
Most	Rigid Hinge (used in Neurological or Tumors only)	–	–	–