Vastus intermedius muscle
Musculus vastus intermedius
- Related terms: Vastus intermedius
Definition
Origin: Antero/ lateral femur
Insertion: patella via the tendon of quadriceps femoris and tibial tuberosity via the patellar ligament
Artery: Femoral artery
Nerve: Femoral nerve
Action: Extends knee
Antagonist: Hamstring
Muscle group: Anterior compartment of thigh
Description: The Vastus intermedius (Crureus) arises from the front and lateral surfaces of the body of the femur in its upper two-thirds and from the lower part of the lateral intermuscular septum. Its fibers end in a superficial aponeurosis, which forms the deep part of the Quadriceps femoris tendon.
References
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).