Vastus Intermedius - Muscle Physiology & Functional Anatomy


AnatomyVastus Intermedius  Muscle


  • Anterior & lateral shaft of femur


  • Patellar tendon (quadriceps tendon to patella), via ligamentum patellae into tubercle of tibia

Major Arteries:

  • Femoral artery


Neural Innervation:

  • Femoral nerve

Trigger Points:

Vastus Intermedius  Trigger Points




Concentric Functions:

  • Knee extension


Eccentric Functions:

  • Decelerates knee extension & internal rotation


Isometric Function:

  • Dynamically stabilizes the knee during functional movements


Related Muscles







More Images of the Vastus Intermedius Muscle

Vastus Intermedius

More Information about the Vastus Intermedius Muscle

The vastus intermedius muscle is one of the 4 quadriceps which include the vastus lateralis, vasus medialis & rectus femoris.  The vastus intermedius is located directly behind (deep) to the rectus femoris muscle.


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