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Cubital fossa

Last revised by Assoc Prof Frank Gaillard on 11 Sep 2019

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.

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Cases and figures

  • Figure 1: boundaries
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  • Figure 2: contents
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  • Figure 3: cubital fossa
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  • Figure 4: anterior forearm deep anatomy (Gray's illustration)
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  • Figure 5: anterior forearm anatomy (Gray's illustration)
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  • Figure 6: arm anatomy (Gray's illustration)
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  • Figure 7: arteries of the elbow (Gray's illustration)
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  • Figure 8: superficial veins of the upper limb (Gray's illustration)
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