Table 1.

Classification release categories*

Side	Classification	Structure(s)	Technique
Medial	Minor	Posteromedial capsule	Release from tibia
	Major	Superficial medial collateral ligament	Release from tibia
	Major	Semimembranosus	Release from tibia
Lateral	Minor	Lateral posterior capsule	Release from tibia
	Major	Popliteus tendon	Release from femur insertion
	Major	Fibular ligament	Release from femur insertion
	Major	Lateral intermuscular septum on femur	Release from femur insertion

*A knee was classified as needing a major release if one or more of the performed releases were in the major category.