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Cubital Fossa Borders Anatomy Quiz

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Questions and Answers

What is the shape of the cubital fossa?

Triangular

What are the three borders of the cubital fossa?

Lateral, medial, and superior

What muscle forms the lateral border of the cubital fossa?

Pronator teres

Supinator

Biceps brachii

Brachioradialis (correct)

What forms the superior border of the cubital fossa?

A horizontal line drawn between the epicondyles of the humerus. Signup and view all the answers

What structures make up the roof of the cubital fossa?

Bicipital aponeurosis, fascia, subcutaneous fat, and skin Signup and view all the answers

What muscles form the floor of the cubital fossa?

Brachialis (proximally) and supinator (distally) Signup and view all the answers

Study Notes

Cubital Fossa Borders

The cubital fossa is triangular and has three borders, a roof, and a floor.
Lateral border: The medial border of the brachioradialis muscle.
Medial border: The lateral border of the pronator teres muscle.
Superior border: An imaginary horizontal line drawn between the epicondyles of the humerus.
Roof: The bicipital aponeurosis, fascia, subcutaneous fat, and skin.
Floor: The brachialis muscle (proximal) and supinator muscle (distal).

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Description

Test your knowledge on the anatomy of the cubital fossa. This quiz covers the borders, roof, and floor of the cubital fossa, which is crucial for understanding its structure and function. Prepare to learn more about important muscles and their locations in this area of the arm.