Cubital Fossa

Question 1

What is the cubital fossa?

Answer 1

Triangular shaped depression on the anterior aspect of the elbow

Question 2

What makes up the superior border of the cubital fossa?

Answer 2

Imaginary line between the lateral and medial epicondyle of the humerus

Question 3

What makes up the lateral border of the cubital fossa?

Answer 3

Brachioradialis

Question 4

What makes up the medial border of the cubital fossa?

Answer 4

Pronator teres

Question 5

What makes up the floor of the cubital fossa?

Answer 5

Brachialis + Supinator muscle

Question 6

What makes up the roof of the cubital fossa?

Answer 6

Bicipital aponeurosis + fascia + subcutaneous fat + skin

Question 7

What is the Bicipital aponeurosis?

Answer 7

Flat sheet like tendon that comes from the biceps tendon which then blends into the deep fascia of the forearm

Question 8

What is the pneumonic for remembering the contents of the cubital fossa?

Answer 8

TAN

Question 9

What are the 3 definite contents of the cubital fossa? (Use the pneumonic)

Answer 9

TAN

biceps Tendon
brachial Artery
median Nerve

Question 10

For the pneumonic TAN, which way is this referring to the contents of the cubital fossa being in?

Answer 10

Running for lateral to medial

biceps Tendon most LATERAL
brachial Artery
median Nerve most MEDIAL

Question 11

As well as the 3 definite contents of the cubital fossa (TAN), what may also be considered a content of the cubital fossa?

Answer 11

Radial nerve

Question 12

Which 2 muscles does the radial nerve run between in the forearm?

Answer 12

Brachioradialis
Brachialis

Question 13

What superficial vein is a common site for venupuncture in the roof of the cubital fossa?

Answer 13

Median cubital vein

Question 14

What 2 veins does the median cubital vein connect to?

Answer 14

Basilic vein and cephalic vein