Biceps femoris muscle

The biceps femoris is one of the large muscles in the posterior compartment of the thigh and a component of the hamstrings. It has a long and a short head, each with different functions and innervation.

Its medial border forms the superolateral border of the popliteal fossa.


Variant anatomy

  • absence of the short head 2
  • exclusive tibial insertion (rare) 3
Anatomy: Lower limb

Anatomy: Lower limb

Article information

rID: 6031
Section: Anatomy
Tag: muscle
Synonyms or Alternate Spellings:
  • Biceps femoris muscles
  • Biceps femoris

ADVERTISEMENT: Supporters see fewer/no ads

Cases and figures

  • Figure 1
    Drag here to reorder.
  • Figure 2
    Drag here to reorder.
  • Figure 3
    Drag here to reorder.
  • Figure 4: popliteal fossa
    Drag here to reorder.
  • Partial tear of B...
    Case 1: biceps femoris - partial tear
    Drag here to reorder.
  • Updating… Please wait.

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

     Thank you for updating your details.