Cubital fossa
Updates to Article Attributes
Body
was changed:
The cubital fossa is a triangular space which forms the transition between the arm and the forearm. It is located anterior to the elbow joint.
Gross anatomy
Boundaries 1
- superior: the line joining the medial and lateral humeral epicondyles
- lateral: medial border of brachioradialis
- medial: lateral border of pronator teres
- apex: formed by the meeting of the lateral and medial boundaries
- roof: deep fascia of forearm, reinforced medially by the bicipital aponeurosis. Medial cutaneous nerve of forearm and lateral cutaneous nerve of forearm. Basilic vein, cubital vein and median cubital vein (connects basilic vein to cephalic vein)
- floor: brachialis muscle (medial), and supinator muscle (lateral)
Contents
From medial to lateral:
- median nerve
- brachial artery
- tendon of biceps
- radial nerve
- posterior interosseous branch of radial nerve
The order can be recalled using a mnemonic seen here.
-<li>roof: deep fascia of forearm, reinforced medially by the bicipital aponeurosis</li>-<li>floor: <a href="/articles/brachialis">brachialis muscle</a>, and <a href="/articles/supinator-muscle">supinator muscle</a>-</li>- +<li>roof: deep fascia of forearm, reinforced medially by the bicipital aponeurosis. Medial cutaneous nerve of forearm and lateral cutaneous nerve of forearm. Basilic vein, cubital vein and median cubital vein (connects basilic vein to cephalic vein)</li>
- +<li>floor: <a href="/articles/brachialis">brachialis muscle</a> (medial), and <a href="/articles/supinator-muscle">supinator muscle</a> (lateral)</li>