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Medical Dictionary

vastus lateralis

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noun vastus lat·er·a·lis \-ˌlat-ər-ˈā-ləs, -ˈal-əs\

Medical Definition of vastus lateralis

  1. :  the division of the quadriceps muscle that covers the outer anterior aspect of the femur, arises chiefly from the femur, and inserts into the outer border of the patella by a flat tendon which blends with that of the other divisions of the muscle and sends an expansion to the capsule of the knee—called also vastus externus



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