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Medical Term:

quadriceps femoris (muscle)


anterior thigh muscles; origin, by four heads: rectus femoris, vastus lateralis, vastus intermedius, and vastus medialis; insertion, patella, and thence by patellar ligament to tibial tuberosity; action, extends leg; flexes thigh by action of rectus femoris; nerve supply, femoral.

Synonym(s): musculus quadriceps femorisTA, musculus quadricepsTA, musculus quadriceps extensor femoris, quadriceps muscle of thigh

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.