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.
Extensor hallucis longus muscle. The Extensor hallucis longus is a thin muscle, situated between the Tibialis anterior and the Extensor digitorum longus, that functions to extend the big toe and dorsiflex the foot, and assists with foot eversion and inversion.