Term	Definition
Anteversion	Anterior twist or angulation of the femoral head away from the frontal plane.
Adduction	The movement of a limb toward the midline of the body in the coronal plane.
Valgum	Angulation of a bone distal to a joint or in a part of a bone away from the midline. Genu valgum results in knock-knees, because angulation distal to the knees is away from the midline.
Varum	Angulation of a bone or within a bone toward the midline. Genu varum results in bowlegs.