vastus medialis (muscle)

Definition: medial head of quadriceps muscle of anterior (extensor) compartment of thigh; origin, medial lip of linea aspera; insertion, tibial tuberosity by way of common tendon of quadriceps femoris and ligamentum patellae; action, extends leg; nerve supply, femoral.

Synonym(s): musculus vastus medialisTA, medial great muscle, medial vastus (muscle), musculus vastus internus

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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