Cubital Fossa

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Last updated 5:28 PM on 6/18/26
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9 Terms

1
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What is the cubital fossa?

A triangular depression on the anterior aspect of the elbow.

<p>A triangular depression on the anterior aspect of the elbow.</p>
2
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What are the borders of the cubital fossa?

Lateral: brachioradialis muscle

Medial: pronator teres muscle

Superior: horizontal line between epicondyles of humerus

Roof: bicipital aponeurosis, fascia, subcut fat and skin

Floor: Brachialis proximally and supinator distally

<p>Lateral: brachioradialis muscle</p><p>Medial: pronator teres muscle</p><p>Superior: horizontal line between epicondyles of humerus</p><p>Roof: bicipital aponeurosis, fascia, subcut fat and skin</p><p>Floor: Brachialis proximally and supinator distally</p>
3
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What are the main contents of the cubital fossa?

TRAM:

  • Radial nerve,

  • Tendon of biceps brachii,

  • brachial Artery,

  • Median nerve.

<p><strong>TRAM</strong>: </p><ul><li><p><strong>R</strong>adial nerve, </p></li><li><p><strong>T</strong>endon of biceps brachii,</p></li><li><p>brachial <strong>A</strong>rtery, </p></li><li><p><strong>M</strong>edian nerve.</p></li></ul><p></p>
4
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What does the radial nerve divide into near the cubital fossa?

Superficial branch and deep branch/posterior interosseous nerve

<p>Superficial branch and deep branch/posterior interosseous nerve</p>
5
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What does the brachial artery divide into in the cubital fossa?

Radial artery and ulnar artery.

<p>Radial artery and ulnar artery.</p>
6
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Which vein is commonly used for venepuncture in the cubital fossa?

Median cubital vein.

<p>Median cubital vein.</p>
7
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What veins does the median cubital vein connect?

Cephalic vein and basilic vein.

8
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What structures are at risk if a venepuncture needle goes too deep?

Brachial artery and median nerve.

9
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What protects the brachial artery and median nerve during venepuncture?

Bicipital aponeurosis.