Cubital fossa

The cubital fossa (a.k.a. antecubital fossa) (plural: fossae) is an inverted triangular space that forms the transition between the arm and the forearm. It is located anterior to the elbow joint.

The terms cubital/antecubital fossa are also used in surface anatomy for the skin overlying this region.

Gross anatomy

Boundaries
Contents

From medial to lateral:

The order can be recalled using this mnemonic.

Anatomy: Upper limb
Share article

Article information

rID: 46233
Section: Anatomy
Synonyms or Alternate Spellings:
  • Cubital fossae
  • Antecubital fossae
  • Antecubital fossa

Support Radiopaedia and see fewer ads

Cases and figures

  • Figure 1: boundaries
    Drag here to reorder.
  • Figure 2: contents
    Drag here to reorder.
  • Figure 3: cubital fossa
    Drag here to reorder.
  • Figure 4: anterior forearm deep anatomy (Gray's illustration)
    Drag here to reorder.
  • Figure 5: anterior forearm anatomy (Gray's illustration)
    Drag here to reorder.
  • Figure 6: arm anatomy (Gray's illustration)
    Drag here to reorder.
  • Figure 7: arteries of the elbow (Gray's illustration)
    Drag here to reorder.
  • Figure 8: superficial veins of the upper limb (Gray's illustration)
    Drag here to reorder.
  • Updating… Please wait.

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

     Thank you for updating your details.