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.
The vastus intermedius muscle attaches to the thigh bone just under the hip joint and extends down the front of the thigh to connect into the knee and lower leg. The vastus intermedius is one of four quadricep muscles. Straightens the leg at the knee.