Vastus Intermedius Muscle

Author: Scott A. Sheffield MS

Last update:

The vastus intermedius is an anterior thigh muscle part of the quadriceps femoris.

image descriptionVastus Intermedius Muscle

An image showing the lower limb muscles (Pectineus, Iliacus, Psoas major, Adductor longus, Rectus femoris, Vastus lateralis) which are covering the Vastus Intermedius Muscle
An image showing the lower limb muscles (Pectineus, Adductor longus, Vastus lateralis, Vastus medialis and Gracilis) which are covering the Vastus Intermedius Muscle
An image showing the Vastus Intermedius Muscle (highlighted) attached to the lower limb along with other muscles (Adductor brevis, Adductor magnus and Gracilis)
An image showing the Vastus Intermedius Muscle attached to the lower limb
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image descriptionAttachments of Vastus Intermedius Muscle: Origin & Insertion

Origin: (proximal attachments):
Anterior and lateral surfaces of shaft of femur.

Insertion: (distal attachments):
Quadriceps tendon to base of patella and onto tibial tuberosity via the patellar ligament.

An image showing the lower limb muscles (Pectineus, Iliacus, Psoas major, Adductor longus, Rectus femoris, Vastus lateralis) which are covering the Vastus Intermedius Muscle
An image showing the Vastus Intermedius Muscle attached to the lower limb
An image showing the Origin and Insertion of the Vastus Intermedius Muscle on the lower limb
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Actions on the leg (tibia & fibula):

image descriptionExtends leg at knee; (part of quadriceps group).

Learn the muscles of the leg faster and more efficiently with these comprehensive 3D anatomy videos.

Nerve to Muscle and its Spinal Segment:

Femoral nerve (L2-L4).

Test yourself:

Muscles That Act On The Anterior Leg (From The Thigh)

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