Rectus femoris muscle

The rectus femoris muscle is one of four quadriceps muscles in the anterior compartment of the thigh. The others are the vastus medialis, the vastus intermedius, and the vastus lateralis.

Patient in a supine position in hip extension and probe placed of the AIIS in a longitudinal plane 4:

  • direct head: seen directly at insertion on AIIS
  • reflected head: hypoechoic appearance due to oblique course

Commonly injured in athletes including strains and calcific tendinopathy 4.

Anatomy: Lower limb
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Article information

rID: 44281
Section: Anatomy
Synonyms or Alternate Spellings:
  • Rectus femoris muscles

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