Limb alignment is the alignment of the leg when standing and weight-bearing.
Varus and valgus deformity
When the legs are bowed, it is called a varus deformity. When they are knock-kneed it is called a valgus deformity.
How accurate is anatomic limb alignment in predicting mechanical limb alignment after total knee arthroplasty? SLee SA, Choi, S-H and Jong M. BMC Musculoskelet Disord. 2015; 16: 323.