Quadriceps muscles

Last revised by Dr Daniel MacManus on 24 Mar 2021

The quadriceps are a group of four muscles in the anterior compartment of the thigh that connect to the patella via the quadriceps tendon. They act on the knee joint to produce leg extension. Rectus femoris also acts on the hip joint as a thigh flexor. The muscles are located:

All four muscles are innervated by the femoral nerve (L2-4). 

See also

ADVERTISEMENT: Supporters see fewer/no ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.