Learner's definition of FAMILIARITY. [noncount] 1. : the state of being familiar with something : the state of having knowledge about something â usually + with. His familiarity with local issues helped him during the campaign. The job requires familiarity with current software.
Vastus lateralis. The vastus lateralis muscle is located on the side of the thigh. This muscle is the largest of the quadriceps group (often called quads) which also includes the rectus femoris, the vastus intermedius, and the vastus medialis.
1 Vastus lateralis is on the lateral side of the femur. 2  Vastus medialis is on the medial side of the femur.  Four According to Wikipedia: The quadriceps femoris (quadriceps, quadriceps extensor, guads or quads) includes the <b>four prevailing muscles</b> on the front of the thigh. It is the great extensor muscle of the knee, forming a large fleshy mass which covers the front and sides of the femur.