2.2. The Cubital Fossa

Question 1

What is the Cubital Fossa?

Answer 1

An area of transition between the anatomical Arm and Forearm

Question 2

How is the Cubital Fossa described?

Answer 2

A Depression on the Anterior Surface of the Elbow Joint

Question 3

What’s the equivalent of the Cubital Fossa in the lower limb?

Answer 3

Popliteal Fossa at the back of the Knee

Question 4

What shape is the Cubital Fossa?

Answer 4

Triangular

Question 5

What forms the Lateral Border of the Cubital Fossa?

Answer 5

The Medial Border of the Brachioradialis Muscle

Question 6

What forms the Medial Border of the Cubital Fossa?

Answer 6

The Lateral Border of the Pronator Teres Muscle

Question 7

What forms the Superior Border of the Cubital Fossa?

Answer 7

An Imaginary Line

between the Epicondyles of the Humerus

Question 8

What forms the Proximal Floor of the Cubital Fossa?

Answer 8

Brachialis Muscle

Question 9

What forms the Distal Floor of the Cubital Fossa?

Answer 9

Supinator Muscle

Question 10

What forms the Roof of the Cubital Fossa?

Answer 10

1. Skin

2. Fascia

Question 11

What reinforces the Roof of the Cubital Fossa?

Answer 11

Bicipital Aponeurosis

Question 12

1. What runs in the Roof of the Cubital Fossa?

2. What is it used for clinically?

Answer 12

1. Median Cubital Vein

2. Venepuncture

Question 13

What are the contents of the Cubital Fossa (Lateral to Medial)? [4]

Answer 13

1. Radial Nerve
2. Biceps Tendon
3. Brachial Artery
4. Median Nerve

(Really Need | Beer To | Be At | My Nicest)

Question 14

Is the Radial Nerve considered part of the Cubital Fossa?

Answer 14

No, but it is in the vicinity

Question 15

Where is the Radial Nerve found, in the vicinity of the Cubital Fossa?

Answer 15

Underneath the Brachioradialis Muscle

Question 16

What happens to the Radial Nerve as it reaches the vicinity of the Cubital Fossa?

Answer 16

It divides into Superficial and Deep Branches

Question 17

What is the relationship between the Biceps Tendon and the Cubital Fossa?

Answer 17

The Biceps Tendon passes through the Cubital Fossa

Question 18

What does the Biceps Tendon attach to distally?

Answer 18

The Radial Tuberosity

Question 19

Where is the Radial Tuberosity located?

Answer 19

Just Distal to the Neck of the Radius

Question 20

What happens to the Brachial Artery in the Cubital Fossa?

Answer 20

It Bifurcates

Question 21

What does the Brachial Artery Bifurcate into?

Answer 21

1. Radial Artery

2. Ulnar Artery

Question 22

Where in the Cubital Fossa does the Brachial Artery Bifurcate?

Answer 22

In the Apex of the Cubital Fossa

Question 23

Where does the Median Nerve leave the Cubital Fossa?

Answer 23

Between the 2 Heads of the Pronator Teres Muscle

Question 24

What does the Median Nerve Supply?

Answer 24

The Majority of the Flexor Muscles in the Forearm

Question 25

What is the Clinical Significance of the Cubital Fossa?

Answer 25

1. Blood pressure can be auscultated at the brachial artery here.
2. It is home to the Median Nerve - “The vein of choice” for venepuncture.