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MCQ – 1782

Question

In  cubital  fossa,  which  structure  is  medial most:
A.

Median nerve              

B.

Brachial artery

C.

Biceps tendon             

D.

Radial nerve

Show Answer

Correct Answer » A

Explanation

Median nerve.

Cubital fossa

The cubital fossa is an anterior triangular depression of the elbow where several important neurovascular structures pass.

-This area is clinically important for venepuncture  and for blood pressure  measurement. It is an imaginary triangle with borders being:

* Laterally, the medial border of brachioradialis  muscle

* Medially, the lateral border of pronator teres muscle

* Superiorly, the intercondylar  line, an imaginary line between the two condyles of the humerus

* The floor is the brachialis & supinator muscle

* The roof is the skin and fascia of the arm and forearm

– Contents of cubital fossa (lateral to medial) are: Radial nerve, Biceps tendon, Artery and Median nerve.

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