Cubital fossa

Last revised by Yoshi Yu on 3 Apr 2023

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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