Vastus Intermedius - Muscle Physiology & Functional Anatomy

 

AnatomyVastus Intermedius  Muscle

Origin:

  • Anterior & lateral shaft of femur

Insertion:

  • 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

 

Physiology

 

Concentric Functions:

  • Knee extension

 

Eccentric Functions:

  • Decelerates knee extension & internal rotation

 

Isometric Function:

  • Dynamically stabilizes the knee during functional movements

 

Related Muscles

 

Antagonists:

 

Exercises:

 

 


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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