2.2. The Cubital Fossa Flashcards
What is the Cubital Fossa?
An area of transition between the anatomical Arm and Forearm
How is the Cubital Fossa described?
A Depression on the Anterior Surface of the Elbow Joint
What does the Cubital Fossa correspond to?
Popliteal Fossa at the back of the Knee
What shape is the Cubital Fossa?
Triangular
What forms the Lateral Border of the Cubital Fossa?
The Medial Border of the Brachioradialis Muscle
What forms the Medial Border of the Cubital Fossa?
The Lateral Border of the Pronator Teres Muscle
What forms the Superior Border of the Cubital Fossa?
An Imaginary Line between the Epicondyles of the Humerus
What forms the Proximal Floor of the Cubital Fossa?
Brachialis Muscle
What forms the Distal Floor of the Cubital Fossa?
Supinator Muscle
What forms the Roof of the Cubital Fossa?
- Skin
2. Fascia
What reinforces the Roof of the Cubital Fossa?
Bicipital Aponeurosis
- What runs in the Roof of the Cubital Fossa?
2. What is it used for?
- Median Cubital Vein
2. Venepuncture
What are the contents of the Cubital Fossa (Lateral to Medial)?
- Radial Nerve
- Biceps Tendon
- Brachial Artery
- Median Nerve
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Is the Radial Nerve considered part of the Cubital Fossa?
No, but it is in the vicinity
Where is the Radial Nerve found, in the vicinity of the Cubital Fossa?
Underneath the Brachioradialis Muscle
What happens to the Radial Nerve in the vicinity of the Cubital Fossa?
It divides into Superficial and Deep Branches
What is the relationship between the Biceps Tendon and the Cubital Fossa?
The Biceps Tendon passes through the Cubital Fossa
What does the Biceps Tendon attach to distally?
The Radial Tuberosity
Where is the Radial Tuberosity located?
Just Distal to the Neck of the Radius
What happens to the Brachial Artery in the Cubital Fossa?
It Bifurcates
What does the Brachial Artery Bifurcate into?
- Radial Artery
2. Ulnar Artery
Where in the Cubital Fossa does the Brachial Artery Bifurcate?
In the Apex of the Cubital Fossa
Where does the Median Nerve leave the Cubital Fossa?
Between the 2 Heads of the Pronator Teres Muscle
What does the Median Nerve Supply?
The Majority of the Flexor Muscles in the Forearm
What is the Clinical Significance of the Cubital Fossa?
- It is the site of the “Vein of Choice for Intravenous Injections” - The Median Cubital Vein
- Blood Pressure is Auscultated at the Brachial Artery, inside the