It has three boundaries borders and it also has a floor.
Cubital fossa floor.
It is also known as the antecubital because it lies anteriorly to the elbow.
The cubital fossa is a very narrow space and the boundaries have to be retracted to see the contents within it.
It is a space filled with different structures that makes up its content.
Deep boundary floor brachialis and supinator muscles.
The cubital fossa contains four main vertical structures from lateral to medial.
The cubital fossa is triangular in shape and thus has three borders.
Floor of cubital fossa muscles.
The floor of the cubital fossa is formed proximally by the brachialis and distally by the supinator muscle.
The floor of the fossa is formed by the brachialis muscle proximally and the supinator muscle distally the roof from superficial to deep forms from the skin fascia and the bicipital aponeurosis.
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Medial border lateral border of the pronator teres muscle.
Superior border hypothetical line between the epicondyles of the humerus.
The cubital fossa is a triangular depression located in front of the anterior elbow the medial border is formed by the pronator teres which arises from the medial epicondyle of the humerus the lateral border is formed by the brachioradialis muscle which arises from the lateral supracondylar ridge of the humerus the meeting of these 2 muscles.
The radial nerve is in the vicinity of the cubital fossa located between brachioradialis and brachialis muscles.